1206L050-C

0805L_06 LITTELFUSE

Document overview

• Manufacturer or author: Provided By digicamel.com
• PDF pages: 74

Technical content

Features

Applications

• RoHScompliantand lead-free
• Fastresponsetofault currents
• Compactdesignsaves boardspace
• Lowresistance
• Low-profile
• Compatiblewithhigh temperaturesolders
• USBperipherals
• Diskdrives
• CD-ROMs
• Plugandplayprotection formotherboardsand peripherals
• Mobilephones-battery andportprotection
• Diskdrives
• PDAs/digitalcameras
• Gameconsoleport protection

www.littelfuse.com ©2006 Littelfuse 0805L Series Specifications are subject to change without notice. Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 0.100 1 10 1000.02 0.100A 0.200A 0.350A 0.500A 0.750A 1.00A 0805L Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse 0805L Series Specifications are subject to change without notice. Electronics Designers Guide Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Solvent Resistance MIL-STD-202,Method215 Nochange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material Gold-PlatedCopperorSolder-Plated Copper(SolderMaterial:MatteTin(Sn)) Lead Solderability MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3. Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260°C/10Sec Time above liquids (TAL) 220°C 60Sec~100Sec Preheat 120°C~ 180°C 50Sec~150Sec Storage Condition 0°C~35°C,<=70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hotair oven,N2environmentforlead-free
• Devicesarenotdesignedtobewavesolderedtothebottomside oftheboard.
• Recommendedmaximumpastethicknessis0.25mm(0.010inch)
• Devicescanbecleanedusingstandardindustrymethodsand solvents. Note: Ifreflowtemperaturesexceedtherecommendedprofile, devicesmaynotmeettheperformancerequirements. Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s)

www.littelfuse.com ©2006 Littelfuse 0805L Series Specifications are subject to change without notice. Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount Part Numbering System PACKAGING STYLE SIZE L: LITTELFUSE SURFACE MOUNT PPTC I HOLD HOLD CURRENT CODE(SEE TABLE BELOW) QUANTITY CODE: W=3000 Y=4000 R: Tape & Reel

0805 L 100 W R

Inches mm Inches mm Inches mm Inches mm Inches mm C Top View Pad Layout Side View Bottom View 1.50 mm (.059) 1.20 mm (.047) 1.00 mm (.040) D MARKING CODE V ARIES WITH AMPERAGE RA TING (SEE CHAR T) SHOWN IS 1.0AMP RATING E A B N I hold (A) I hold Code Packaging Option Quantity Quantity & Packaging Codes 0.10 010 TapeandReel 4000 YR 0.20 020 TapeandReel 4000 YR 0.35 035 TapeandReel 4000 YR 0.50 050 TapeandReel 3000 WR 0.75 075 TapeandReel 3000 WR 1.00 100 TapeandReel 3000 WR

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 1206L Series The1206Lseriesdeviceprovidessurfacemount overcurrentprotectionforapplicationswherespaceisat apremiumandresettableprotectionisdesired.

Electrical Characteristics

Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

Description

• RoHScompliantand lead-free
• Fastresponsetofault currents
• Compactdesignsaves boardspace
• Lowresistance
• Low-profile
• Compatiblewithhigh temperaturesolders
• USBperipherals
• Diskdrives
• CD-ROMs
• Plugandplayprotection formotherboardsand peripherals
• Mobilephones-battery andportprotection
• Diskdrives
• PDAs/digitalcameras
• Gameconsoleport protection 0L Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 0L Series Specifications are subject to change without notice. Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 1 10 100 10000.20 0.120A 0.160A 0.200A 0.250A 0.350A 0.350A/15V 0.500A 0.500A/15V 0.750A 1.00A 1.10A 1.50A 2.00A 1206L Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 0L Series Specifications are subject to change without notice. Environmental Specifications Soldering Parameters Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s) Condition Reflow Peak Temp/ Duration Time 260°C/10Sec Time above liquids (TAL) 220°C 60Sec~100Sec Preheat 120°C~ 180°C 50Sec~150Sec Storage Condition 0°C~35°C,70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hot airoven,N2environmentforlead-free
• Devicesarenotdesignedtobewavesolderedtothe bottomsideoftheboard.
• Recommendedmaximumpastethicknessis0.25mm (0.010inch)
• Devicescanbecleanedusingstandardindustrymethods andsolvents. Note: Ifreflowtemperaturesexceedtherecommended profile,devicesmaynotmeettheperformance requirements. Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Solvent Resistance MIL-STD-202,Method215 Nochange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material Solder-PlatedCopper(SolderMaterial: MatteTin(Sn)) Lead Solderability MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 0L Series Specifications are subject to change without notice. Part Numbering System PACKAGING STYLE SIZE L: LITTELFUSE SURFACE MOUNT PPTC I HOLD HOLD CURRENT CODE (SEE TABLE BELOW) /XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS) QUANTITY CODE: W=3000 Y=4000 R: Tape & Reel

1206 L 035 /16 W R

Inches mm Inches mm Inches mm Inches mm Inches mm C Top View Pad Layout Side View Bottom View 1.80 mm (.071) 1.80 mm (.071) 1.00 mm (.040) D MARKING CODE VARIES WITH AMPERA GE RATING (SEE CHAR T) SHOWN IS 1.6AMP RA TING E A B N

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 0L Series Specifications are subject to change without notice. Packaging I hold (A) I hold Code Packaging Option Quantity Quantity & Packaging Codes 0.125 012 TapeandReel 3000 WR 0.16 016 TapeandReel 3000 WR 0.20 020 TapeandReel 4000 YR 0.25 025 TapeandReel 4000 YR 0.35 035 TapeandReel 4000 YR 0.50 050 TapeandReel 4000 YR 0.75 075 TapeandReel 3000 WR 1.00 100 TapeandReel 3000 WR 1.10 110 TapeandReel 3000 WR 1.50 150 TapeandReel 2000 PR

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 1210L Series The1210Lseriesdeviceprovidessurfacemount overcurrentprotectionforapplicationswherespaceisat apremiumandresettableprotectionisdesired. Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• USBperipherals
• Diskdrives
• CD-ROMs
• PCmotherboards-plug andplayprotection
• Mobilephones-battery andportprotection
• PDAs/digitalcameras
• Gameconsoleport protection
• RoHScompliantand lead-free
• Fastresponsetofault currents
• Compactdesignsaves boardspace
• Lowresistance
• Low-profile
• Compatiblewithhigh temperaturesolders Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 0L Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 0.100 1 10 1000.02 0.050A 0.100A 0.200A 0.350A 0.500A 0.750A 1.10A 1.50A 1210L Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. 0L Series Specifications are subject to change without notice. 0L Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount Environmental Specifications Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260°C/10Sec Time above liquids (TAL) 220°C 60Sec~100Sec Preheat 120°C~ 180°C 50Sec~150Sec Storage Condition 0°C~35°C,<=70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hotair oven,N2environmentforlead-free
• Devicesarenotdesignedtobewavesolderedtothebottomside oftheboard.
• Recommendedmaximumpastethicknessis0.25mm(0.010inch)
• Devicescanbecleanedusingstandardindustrymethodsand solvents. Note: Ifreflowtemperaturesexceedtherecommendedprofile, devicesmaynotmeettheperformancerequirements. Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Solvent Resistance MIL-STD-202,Method215 Nochange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material Solder-PlatedCopper(SolderMaterial: MatteTin(Sn)) Lead Solderability MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3. Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s) 0L Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 0L Series Specifications are subject to change without notice. Part Numbering System PACKAGING STYLE SIZE L: LITTELFUSE SURFACE MOUNT PPTC I HOLD HOLD CURRENT CODE (SEE TABLE BELOW) QUANTITY CODE: W=3000 Y=4000 R: Tape & Reel

1210 L 110 W R

Inches mm Inches mm Inches mm Inches mm Inches mm C Top View Pad Layout Side View Bottom View 2.50 mm (.098) 2.00 mm (.079) 1.00 mm (.040) D MARKING CODE V ARIES WITH AMPERAGE RA TING (SEE CHAR T) SHOWN IS 1.5AMP RATING E A B K Packaging I hold (A) I hold Code Packaging Option Quantity Quantity & Packaging Codes 0.05 005 TapeandReel 3000 WR 0.10 010 TapeandReel 3000 WR 0.20 020 TapeandReel 3000 WR 0.35 035 TapeandReel 4000 YR 0.50 050 TapeandReel 4000 YR 0.75 075 TapeandReel 4000 YR 1.10 110 TapeandReel 3000 WR 1.50 150 TapeandReel 2000 PR

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 8L Series Specifications are subject to change without notice. 1812L Series The1812Lseriesdeviceprovidessurfacemount overcurrentprotectionforapplicationswhereresettable protectionisdesired. Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω)

• Plugandplayprotection formotherboardsand peripherals
• USBperipherals
• PCIcards
• Gameconsoleport protection Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521
• RoHScompliantand lead-free
• Fastresponsetofault currents
• Compactdesignsaves boardspace
• Lowresistance
• Low-profile
• Compatiblewithhigh temperaturesolders

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 8L Series Specifications are subject to change without notice. Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame. Electrical Characteristics (continued) Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 8L Series Specifications are subject to change without notice. Temperature Rerating Curve Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 0.100 1 10 1000.02 0.100A 0.140A 0.200A 0.500A 0.750A 0.750A/33V 1.10A/16V 1.10A/33V 1.10A 1.25A 1.25A/6V 1.50A/12V 1.50A-/8V 1.50A/24V 1.60A/12V 1.60A 1.60A/8 2.00A 2.60A 1812L Series Specifications are subject to change without notice. 0.750A/24V Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 8L Series Specifications are subject to change without notice. Environmental Specifications Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260°C/10Sec Time above liquids (TAL) 220°C 60Sec~100Sec Preheat 120°C~ 180°C 50Sec~150Sec Storage Condition 0°C~35°C,<=70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hotair oven,N2environmentforlead-free
• Devicesarenotdesignedtobewavesolderedtothebottomside oftheboard.
• Recommendedmaximumpastethicknessis0.25mm(0.010inch)
• Devicescanbecleanedusingstandardindustrymethodsand solvents. Note: Ifreflowtemperaturesexceedtherecommendedprofile, devicesmaynotmeettheperformancerequirements. Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Solvent Resistance MIL-STD-202,Method215 Nochange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material Solder-PlatedCopper(SolderMaterial: MatteTin(Sn)) Lead Solderability MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3. Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s)

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 8L Series Specifications are subject to change without notice. Part Number A B C D E Inches mm Inches mm Inches mm Inches mm Inches mm Dimensions C Top View Pad Layout Side View Bottom View 3.15 mm (.124”) 3.45 mm (.135”) 1.78mm (.070”) D MARKING CODE V ARIES WITH AMPERAGE AND VOL TAGE RATING (SEE CHAR T) SHOWN ARE: - 1.1A/6V RA TING (LEFT) - 1.1A/33V RA TING (RIGHT) E A B110 110 110 -33

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 8L Series Specifications are subject to change without notice. Packaging Part Numbering System PACKAGING STYLE SIZE L: LITTELFUSE SURFACE MOUNT PPTC I HOLD CURRENT CODE (SEE TABLE BELOW) /XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS) QUANTITY CODE: D=1500 M=1000 P=2000 R: Tape & Reel

1812 L 075 /33 D R

(A) I hold Code Voltage Option Packaging Option Quantity Quantity & Packaging Codes 0.10 010 TapeandReel 1500 DR 0.14 014 TapeandReel 1500 DR 0.20 020 TapeandReel 2000 PR 0.50 050 TapeandReel 2000 PR 0.75 075 TapeandReel 2000 PR /24 TapeandReel 1500 DR /33 TapeandReel 1500 DR 1.10 110 TapeandReel 2000 PR /16 TapeandReel 1500 DR /33 TapeandReel 1000 MR 1.25 125 TapeandReel 1500 DR /6 TapeandReel 2000 PR 1.50 150 TapeandReel 2000 ZR /12 TapeandReel 1500 DR /24 TapeandReel 1000 MR 1.60 160 TapeandReel 2000 PR /12 TapeandReel 1500 DR 2.00 200 TapeandReel 1500 DR 2.60 260 TapeandReel 1000 ZR

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 2016L Series The2016Lseriesdeviceprovidessurfacemount overcurrentprotectionforlowvoltage(≤60V)applications whereresettableprotectionisdesired. Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• RoHScompliantand lead-free
• Fastresponsetofault currents
• Highvoltage
• Low-profile
• IEE1394portprotection
• Poweredethernetport protection(IEEE802.3af)
• Automotiveelectronic controlmoduleprotection
• Lowvoltagetelecom equipmentprotection Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 0L Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve Average Time Current Curves A: 2016L050 2016L100 2016L200 B: 2016L030 2016L100/33 2016L150 CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 1 10 100 10000.20 0.160A 0.300A 1.00A 1.00A/33V 1.50A 2.00A 2016L Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. 0L Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount Environmental Specifications Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260°C/10Sec Time above liquids (TAL) 220°C 60Sec~100Sec Preheat 120°C~ 180°C 50Sec~150Sec Storage Condition 0°C~35°C,<=70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hotair oven,N2environmentforlead-free
• Devicesarenotdesignedtobewavesolderedtothebottomside oftheboard.
• Recommendedmaximumpastethicknessis0.25mm(0.010inch)
• Devicescanbecleanedusingstandardindustrymethodsand solvents. Note: Ifreflowtemperaturesexceedtherecommendedprofile, devicesmaynotmeettheperformancerequirements. Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Solvent Resistance MIL-STD-202,Method215 Nochange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material Solder-PlatedCopper(SolderMaterial: MatteTin(Sn)) Lead Solderability MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3. Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s) 0L Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Part Numbering System PACKAGING STYLE SIZE L: LITTELFUSE SURFACE MOUNT PPTC I HOLD CURRENT CODE (SEE TABLE BELOW) /XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS) QUANTITY CODE: D=1500 M=1000 P=2000 R: Tape & Reel

2016 L 100 /33 D R

Dimensions (mm) C Top View Pad Layout Side View Bottom View 4.60 mm (.181”) 3.40 mm (.133”) 1.50 mm (.059”) D MARKING CODE V ARIES WITH AMPERAGE AND VOL TAGE RATING (SEE CHAR T) SHOWN ARE: - 1.0A/15V RA TING (LEFT) - 1.0A/33V RA TING (RIGHT) E A B100 100 100 -33 Part Number A B C D E Inches mm Inches mm Inches mm Inches mm Inches mm I hold (A) I hold Code Voltage Option Packaging Option Quantity Quantity & Packaging Codes 0.30 030 TapeandReel 1500 DR 0.55 050 TapeandReel 1000 MR 1.10 100 TapeandReel 2000 PR /33 TapeandReel 1500 DR 1.50 150 TapeandReel 1500 DR 2.00 200 TapeandReel 2000 PR 0L Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 2920L Series The2920Lseriesdeviceprovidessurfacemount overcurrentprotectionformediumvoltage(≤60V) applicationswhereresettableprotectionisdesired. Part Number Marking I hold (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame. Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521

• RoHScompliantand lead-free
• Fastresponsetofault currents
• Highvoltage
• Low-profile
• IEE1394portprotection
• Poweredethernetport protection(IEEE802.3af)
• Automotiveelectronic controlmoduleprotection
• Lowvoltagetelecom equipmentprotection 0L Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 0L Series Specifications are subject to change without notice. Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 0.100 1 10 1000.02 0.100A 0.300A 0.500A 0.750A 1.25A 1.50A 1.85A 2.00A/24V 2.00A 2.50A 2.60A 3.00A/15V 3.00A 2920L Series Specifications are subject to change without notice. 1.00A Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 0L Series Specifications are subject to change without notice. Environmental Specifications Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260°C/10Sec Time above liquids (TAL) 220°C 60Sec~100Sec Preheat 120°C~ 180°C 50Sec~150Sec Storage Condition 0°C~35°C,<=70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hotair oven,N2environmentforlead-free
• Devicesarenotdesignedtobewavesolderedtothebottomside oftheboard.
• Recommendedmaximumpastethicknessis0.25mm(0.010inch)
• Devicescanbecleanedusingstandardindustrymethodsand solvents. Note: Ifreflowtemperaturesexceedtherecommendedprofile, devicesmaynotmeettheperformancerequirements. Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Solvent Resistance MIL-STD-202,Method215 Vibration MIL-STD-883C,Method 2007.1,ConditionA Physical Specifications Terminal Material Solder-PlatedCopper(SolderMaterial: MatteTin(Sn)) Lead Solderability MeetsEIASpecificationRS186-9E,ANSI/ J-STD-002Category3. Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s)

POLYFUSE® Resettable PTCs Surface Mount www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide 0L Series Specifications are subject to change without notice. Dimensions (mm) C Top View Pad Layout Side View Bottom View 5.30 mm (.209”) 4.60 mm (.181”) 2.0mm (.079”) D MARKING CODE V ARIES WITH AMPERAGE AND VOL TAGE RATING (SEE CHAR T) SHOWN ARE: - 1.5A/33V RA TING (LEFT) - 2.0A/24V RA TING (RIGHT) E A B150 150 200 -24 Part Number A B C D E Inches mm Inches mm Inches mm Inches mm Inches mm Part Numbering System PACKAGING STYLE SIZE L: LITTELFUSE SURFACE MOUNT PPTC I HOLD CURRENT CODE (SEE TABLE BELOW) /XX: SPECIAL VOLTAGE RATING (NOT APPLICABLE TO ALL PARTS) QUANTITY CODE: D=1500 P=2000 R: Tape & Reel

2920 L 200 /24 D R

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Surface Mount 0L Series Specifications are subject to change without notice. Packaging I hold (A) I hold Code Voltage Option Packaging Option Quantity Quantity & Packaging Codes 0.30 030 TapeandReel 1500 DR 0.50 050 TapeandReel 1500 DR 0.75 075 TapeandReel 1500 DR 1.10 100 TapeandReel 2000 PR 1.25 125 TapeandReel 2000 PR 1.50 150 TapeandReel 1500 DR 1.85 185 TapeandReel 1500 DR 2.00 200 TapeandReel 1500 DR /24 TapeandReel 1500 DR 2.50 250 TapeandReel 1500 DR 2.60 260 TapeandReel 2000 PR 3.00 300 TapeandReel 1500 DR /15 TapeandReel 1500 DR

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse LR Series Specifications are subject to change without notice. Electronics Designers Guide LR Series ThenewLRseriesdeviceprovidesreliable,noncycling protectionagainstoverchargingandshortcircuitsevents forrechargeablebatterycellswhereresettableprotection isdesired. Agency Approvals (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• RoHScompliantand lead-free
• Weldablenickelterminals
• Slim,lowprofiledesign
• Compactdesignsaves boardspace
• Lowresistance
• Rechargeablebatterycell protection AGENCY AGENCY FILE NUMBER E183209 R50082521

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap LR Series Specifications are subject to change without notice. Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve B A A B -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves A: 15LR380 B: 20LR450 C: 20LR730 A: 15LR190,15LR190S, 15LR260, 15LR260S, 20LR450 B: 15LR380, 20LR550, 20LR600, 20LR730 Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse LR Series Specifications are subject to change without notice. Electronics Designers Guide Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +70°C,1000hours ±10%typicalresistancechange Humidity Aging +85°C,85%R.H.70days ±5%typicalresistancechange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material 0.13mmnominalthickness,quarter-hard nickel Insulating Material Polyestertape Dimensions EB D1 D2 C A SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) Figure 1 Figure 2 Lot Number (Contact Littelfuse for additional information) MarkingMarking LR 190S XX9R Product Series Current Rating Littelfuse Trademark Top Side Part Number A B C D1 D2 E FigureInches mm Inches mm Inches mm Inches mm Inches mm Inches mm

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap LR Series Specifications are subject to change without notice. Part Numbering System EB D1 D2 C A SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) Figure 1 Figure 2 Lot Number (Contact Littelfuse for additional information) MarkingMarking LR 190S XX9R Product Series Current Rating Littelfuse Trademark Top Side QUANTITY CODE Voltage Rating (VDC) SERIES HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS) LEAD OPTIONS: U: 500 (bulk)

15 LR 190 S U

Blank = standard S = slit lead Part Marking System Packaging I hold (A) Packaging Option Quantity Quantity & Packaging Codes AllRatings Bulk 500 U

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide LT Series ThenewLTseriesdeviceprovidesreliable,noncycling protectionagainstoverchargingandshortcircuitsevents forrechargeablebatterycellswhereresettableprotection isdesired. (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• RoHScompliantand lead-free
• Weldablenickelterminals
• Compactdesignsaves boardspace
• Lowresistance
• Providesovercurrent protectionat100°C triptemperature
• Rechargeablebatterycell protection -Mobilephones -Laptopcomputers Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 LT Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap Ambient Operation Temperature -40°C -20°C 0°C 20°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current 190% Average Time Current Curves A: 24LT100S B: 24LT180 C: 24LT190 Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. LT Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +70°C,1000hours ±10%typicalresistancechange Humidity Aging +85°C,85%R.H.7days ±5%typicalresistancechange Vibration MIL-LTD-883C,ConditionA Nochange Physical Specifications Terminal Material 0.13mmnominalthickness,quarter-hard nickel Insulating Material Polyestertape Dimensions EB D1 D2 C A SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) EB D1 D2 C A Figure 1 Figure 2 Figure 3 SLIT NOMINAL0.5 x 4.0 (.02”x .15”) Lot Number (Contact Littelfuse for additional information) MarkingMarking Marking LT 190S XXJJ Product Series Current Rating Littelfuse Trademark Top Side Part Number A B C D1 D2 E Fig. Inches mm Inches mm Inches mm in. mm in. mm Inches mm LT Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +70°C,1000hours ±10%typicalresistancechange Humidity Aging +85°C,85%R.H.7days ±5%typicalresistancechange Vibration MIL-LTD-883C,ConditionA Nochange Physical Specifications Terminal Material 0.13mmnominalthickness,quarter-hard nickel Insulating Material Polyestertape Dimensions EB D1 D2 C A SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) EB D1 D2 C A Figure 1 Figure 2 Figure 3 SLIT NOMINAL0.5 x 4.0 (.02”x .15”) Lot Number (Contact Littelfuse for additional information) MarkingMarking Marking LT 190S XXJJ Product Series Current Rating Littelfuse Trademark Top Side Part Number A B C D1 D2 E Fig. Inches mm Inches mm Inches mm in. mm in. mm Inches mm LT Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide ST Series ThenewSTseriesdeviceprovidesreliable,noncycling protectionagainstoverchargingandshortcircuitsevents forrechargeablebatterycellswhereresettableprotection isdesired. (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• RoHScompliantand lead-free
• Weldablenickelterminals
• Lowresistance
• Providesovercurrent protectionat125°Ctrip temperature
• Rechargeablebatterycell protection Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 ST Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves A: 15ST120/15ST120S B: 15ST175/15ST175S Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. ST Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +70°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.7days ±5%typicalresistancechange Vibration MIL-STD-883C,ConditionA Nochange Physical Specifications Lead Material 0.13mmnominalthickness, quarter-hardnickel Insulating Material Polyestertape Part Marking System QUANTITY CODE: U = 500 (bulk) VOLTAGE RATING (VDC) SERIES HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS) LEAD OPTIONS: Blank = standard S = slit lead

15 ST 175 S U

C A SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) Figure 1 Figure 2 Lot Number (Contact Littelfuse for additional information) MarkingMarking ST 120 XX9U Product Series Current Rating Littelfuse Trademark Top Side Part Number A B C D1 D2 E Fig.Inches mm Inches mm Inches mm Inches mm Inches mm Inches mm EB D1 D2 C A SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) Figure 1 Figure 2 Lot Number (Contact Littelfuse for additional information) MarkingMarking ST 120 XX9U Product Series Current Rating Littelfuse Trademark Top Side Part Numbering System I hold (A) Packaging Option Quantity Quantity & Packaging Codes AllRatings Bulk 500 U ST Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap VL Series ThenewVLseriesdeviceprovidesreliable,noncycling protectionagainstoverchargingandshortcircuitsevents forrechargeablebatterycellswhereresettableprotection isdesired. (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• RoHScompliantand lead-free
• Weldablenickelterminals
• Slim,lowprofiledesign
• Compactdesignsaves boardspace
• Lowresistance
• Rechargeablebatterycell protection Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 VL Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Ambient Operation Temperature -40°C -20°C 0°C 25°C 40°C 50°C 60°C 70°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current 220% 190% Average Time Current Curves A: 12VL230 B: 12VL175L, 12VL175XL C: VLD170F Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. VL Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Passive Aging +60°C,1000hours ±20%typicalresistancechange -40°C,1000hours ±5%typicalresistancechange Humidity Aging +60°C,95%R.H.1000hours ±30%typicalresistancechange Thermal Shock MIL-STD-202G,Method107G +85°Cto-40°C10times ±5%typicalresistancechange Vibration MIL-STD-883C,Method2026 Nochange Physical Specifications Terminal Material 0.13mmnominalthickness,quarter-hard nickel Insulating Material Polyestertape Dimensions Part Number A B C D1 D2 E Fig. Inches mm Inches mm Inches mm Inches mm Inches mm Inches mm EB D1 D2 C A Figure 1 Figure 2 Marking EB D1 D2 C A Marking VL 230 Product Series Current Rating Lot Number (Contact Littelfuse for additional information) Littelfuse Trademark VL 230 XXAK Product Series Current Rating Littelfuse Trademark Top Side Bottom Side Double Sided Marking VL Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Part Marking System QUANTITY CODE: U = 500 (bulk) VOLTAGE RATING (VDC) SERIES HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS) LEAD OPTIONS: Blank = standard L = long lead XL = extended long lead

12 VL 175 XL U

C A Figure 1 Figure 2 Marking EB D1 D2 C A Marking VL 230 Product Series Current Rating Lot Number (Contact Littelfuse for additional information) Littelfuse Trademark VL 230 XXAK Product Series Current Rating Littelfuse Trademark Top Side Bottom Side Double Sided Marking Part Numbering System Packaging I hold (A) Packaging Option Quantity Quantity & Packaging Codes AllRatings Bulk 500 U VL Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap VT Series ThenewVTseriesdeviceprovidesreliable,noncycling protectionagainstoverchargingandshortcircuitsevents forrechargeablebatterycellswhereresettableprotection isdesired. (A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame.

• RoHScompliantand lead-free
• Weldablenickelterminals
• Slim,lowprofiledesign
• Compactdesignsaves boardspace
• Lowresistance
• Rechargeablebatterycell protection -Mobilephones -Laptopcomputers Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 VT Series Specifications are subject to change without notice.

POLYFUSE® Resettable PTCs Axial Leaded Strap www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current 200% Average Time Current Curves A: 16VT170XS B: 16VT210S A B Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. VT Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Passive Aging +70°C,1000hours ±10%typicalresistancechange Humidity Aging +85°C,85%R.H.70days ±5%typicalresistancechange Thermal Shock MIL-STD-202Method107G +85°C/-40°C20times -30%typicalresistancechange Vibration MIL-STD-883C,Method 2007.1,ConditionA Nochange Physical Specifications Terminal Material 0.13mmnominalthickness,quarter-hard nickel Insulating Material Polyestertape VT Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Axial Leaded Strap Part Marking System QUANTITY CODE Voltage Rating (VDC) SERIES HOLD CURRENT (VALUE DIVIDED BY 100 = HOLD CURRENT IN AMPS) LEAD OPTIONS: U: 500 (bulk)

16 VT 175 NEL U

Blank = standard EL = extra long lead L = long lead NEL = narrow extra long lead NL = narrow long lead S = slit lead SS = both leads slit UL = ultra long lead XL = extended long lead XS = extended long lead slit Packaging I hold (A) Packaging Option Quantity Quantity & Packaging Codes AllRatings Bulk 500 U Part Numbering System SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) EB D1 D2 C A Figure 1 Figure 2 Figure 3 SLIT NOMINAL0.5 x 4.0 (.02”x .15”) VT 210 Product Series Current Rating Lot Number (Contact Littelfuse for additional information) Littelfuse Trademark MarkingMarking Marking VT 210 XXEF Product Series Current Rating Littelfuse Trademark Double Sided Marking Top Side Bottom Side EB D1 D2 A C EB D2D1 C A Marking EB D1 D2 C A Marking E B D1 D2 C A Marking Figure 4 Figure 5 Figure 6 SLIT EB D1 D2 C A NOMINAL0.5 x 4.0 (.02”x .15”) EB D1 D2 C A Figure 1 Figure 2 Figure 3 SLIT NOMINAL0.5 x 4.0 (.02”x .15”) VT 210 Product Series Current Rating Lot Number (Contact Littelfuse for additional information) Littelfuse Trademark MarkingMarking Marking VT 210 XXEF Product Series Current Rating Littelfuse Trademark Double Sided Marking Top Side Bottom Side EB D1 D2 A C EB D2D1 C A Marking EB D1 D2 C A Marking E B D1 D2 C A Marking Figure 4 Figure 5 Figure 6 VT Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 50R Series Specifications are subject to change without notice.

• The250Rseriesisdesignedtoprotectagainstshort durationhighvoltagefaultcurrents(powercrossor powerinductionsurge)typicallyfoundintelecom applications(250Vrms).Theseriescanbeusedtohelp telecomnetworkingequipmentmeettheprotection requirementsspecifiedinITUK.20andK.21.

(A) I trip (A) Vmax Vint / Vop I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) 250R080T 0.08 0.16 250/60 3 1 0.35 3 15 22 33 X X 250R080 0.08 0.16 250/60 3 1 0.35 3 14 22 33 X X 250R120 0.12 0.24 250/60 3 1 1 1.5 4 8 16 X X 250R120-RA 0.12 0.24 250/60 3 1 1 1.0 7 9 16 X X 250R120-RF 0.12 0.24 250/60 3 1 1 0.7 6 10.5 16 X X 250R120-R1 0.12 0.24 250/60 3 1 1 0.8 6 9 16 X X 250R120-R2 0.12 0.24 250/60 3 1 1 0.7 8 10.5 16 X X 250R120-R3 0.12 0.24 250/60 3 1 1 1 8 10 16 X X 250R120T 0.12 0.24 250/60 3 1 1 1.2 7 12 16 X X 250R145 0.145 0.29 250/60 3 1 1 2.5 3 6 14 X X 250R145-RA 0.145 0.29 250/60 3 1 1 5 3 5.5 12 X X 250R145-RB 0.145 0.29 250/60 3 1 1 2.5 4.5 6 14 X X *typicalvalue C:coateddevice T:pre-trippeddevice

• RoHScompliantand lead-free
• Fasttime-to-trip
• Binnedandsortednarrow resistancerangesavailable
• 0.08–0.18Holdcurrent range,60VDCoperating voltage
• 250VACinterruptrating
• CustomerPremises Equipment(CPE)
• CentralOffice(CO)/ TelecomCenters
• LAN/WANEquipment
• Accessequipment 250R Series Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 50R Series Specifications are subject to change without notice. Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 0.100 1 10 1000.02 0.080A 0.120A 0.145A 0.180A 250R Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 50R Series Specifications are subject to change without notice. Protection Application Guide Region/Specification Application Device Selection SouthAmerica/Asia/Europe ITUK.45 *Accessnetworkequipment Remoteterminal Repeaters WANequipment Cross–connect 250R180 250R180T 250R145 250R145T 250R120 250R120T SouthAmerica/Asia/Europe ITUK.21 CustomerandITequipment Analogmodems ADSL,xDSL Phonesets,PBXsystems Internetappliances POSterminals 250R180 250R180T 250R145 250R145T 250R120 250R120T SouthAmerica/Asia/Europe ITUK.20 CentralOffice POTS/ISDNlinecards T1/E1/J1linecards ADSL/VDSLsplitters CSU/DSU 250R180 250R180T 250R145 250R145T 250R120 250R120T NorthAmerica TelcordiaGR-974 *Primaryprotectionmodules MDFmodules Networkinterface 250R180 250R180T 250R145 250R145T 250R120 250R120T SouthAmerica/Asia/Europe ITUK.20 NorthAmerica TelcordiaGR-1089 *Intrabuildingcommunicationsystems LAN,VOIPcards Localloophandsets 250R180 250R180T 250R145 250R145T 250R120 250R120T SouthAmerica/Asia/Europe ITUK.20andK.21 LANIntrabuildingpowercross Protection LANequipment,IPphone 250R080 *Resistancebinnedpartsarerecommended Agency Specification Selection Guide For Telecom and Networking Applications Product Lightning Power Cross 250R120 250R145 ITUK.20/21/45–1.5kV10/700μs ITUK.20/21/45–4kV10/700μs* ITUK.20/21/45–230Vac,10 Ω ITUK.20/21/45–600Vac,600Ω 250R180 ITUK.20/21/45–1.5kV10/700μs ITUK.20/21/45–4kV10/700μs* TelcordiaGR–974–1.0kV10/1000μs ITUK.20/21/45–230Vac,10 Ω ITUK.20/21/45–600Vac,600Ω TelcordiaGR–974-283Vac,10A *Devicesshouldbeindependentlyevaluatedandtestedforuseinanyspecificapplication

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 50R Series Specifications are subject to change without notice. Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging 65°C/85°C,1000hours Humidity Aging +85°C,85%R.H.1000hours Thermal Shock MIL-STD-202FMethod107G +125°Cto-55°C10times Solvent Resistance MIL-STD-202,Method215F Physical Specifications Lead Material Tin-platedcopper Soldering Characteristics SolderabilityperMIL-STD-202, Method208E Insulating Material Cured,flameretardantepoxypolymer meetsUL94V-0requirements. Device Labeling MarkedwithLF ,voltage,currentrating, anddatecode. Soldering Parameters - Solder Reflow Condition Reflow Peak Temp/ Duration Time 260°C>5Sec >220°C 30Sec~60Sec Preheat 160°C ~ 190°C 60Sec~90Sec Storage Condition 0°C~35°C,<70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hot airoven,N2environmentforlead-free.
• Devicesarenotdesignedtobewavesolderedtothe bottomsideoftheboard.
• Devicescanbecleanedusingstandardindustrymethods andsolvents. Note: Ifreflowtemperaturesexceedtherecommended profile,devicesmaynotmeettheperformance requirements. Preheating 160 190 220 260 30 to 60 Temperature (°C) Soldering Cooling 12060 to 90 Time(s) Soldering Parameters - Wave Soldering Condition WaveSoldering Peak Temp/ Duration Time 260°C<5Sec >220°C 2Sec~20Sec Preheat 140°C ~ 180°C 180Sec~210Sec Storage Condition 0°C~35°C<70%RH
• Recommendedsolderingmethods:heatelementovenor N2environmentforlead-free.
• Devicesaredesignedtobewavesolderedtothebottom sideoftheboard.
• Devicescanbecleanedusingstandardindustrymethods andsolvents.
• Thisprofilecanbeusedforlead-freedevice Note: Ifsolderingtemperaturesexceedtherecommended profile,devicesmaynotmeettheperformance requirements. Preheating 160 190 220 260 2 to 5 Temperature (°C) Soldering Cooling 20-30180 to 210 Time(s)

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 50R Series Specifications are subject to change without notice. Part Numbering System PACKAGING STYLE R: RADIAL I HOLD CURRENT CODE (SEE TABLE BELOW)

250 R 120 - RA Z R

T: PRE-TRIPPED DEVICE (OPTIONAL) QUANTITY CODE: M=1000 U=500 Z=1200 SERIES PEAK VOLTAGE RATING BLANK: Bulk R: Tape & Ammo Rx: Resistance Range (x = A-Z or 1-9) [not applicable for all parts] Packaging I hold (A) I hold Code Packaging Option Quantity Quantity & Packaging Codes 0.080 080 Bulk 500 U TapeandAmmo 1500 DR 0.120 120 Bulk 500 U TapeandAmmo 1200 ZR 0.145 145 Bulk 500 U TapeandAmmo 1200 ZR 0.180 180 Bulk 200 F TapeandAmmo 1000 MR

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded

• The600Rseriesisdesignedtoprotectagainstpower faulteventstypicallyfoundintelecomapplications. Thisseriesisdesignedtobeusedinapplicationsthat needtomeettherequirementsofGR-1089-COREand UL60950/EN60950/IEC60950.Theseresettabledevices alsohelptomeettherequirementsofITUK.20,K.21and K.44.

(A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R typ (Ω) R 1max (Ω) 600R150-RB 0.15 0.30 600 3 1.00 4.5 - 9 12 22 X X 600R160 0.16 0.32 600 3 1.00 7.5 18 4 10 18 X X 600R160-RA 0.16 0.32 600 3 1.00 9.5 - 4 7 16 X X 600R160-R1 0.16 0.32 600 3 1.00 9.0 - 4 8 17 X X

• RoHScompliantand lead-free
• Fasttime-to-trip
• Binnedandsortednarrow resistancerangesavailable
• 0.15–0.16AHoldcurrent range,60VDCoperating voltage
• 600VACinterruptrating Secondaryovercurrent protectionfor:
• CentralOffice Equipment(CO)
• CustomerPremises Equipment(CE)
• AlarmSystems
• SetTopBoxes(STB)
• VoiceoverIP(VOIP)
• SubscriberLineInterface Circuit(SLIC) Ambient Operation Temperature Part Number Hold Current (A) Temperature Rerating 600R Series Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 00R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 1 10 100 10000.20 0.150A 0.160A 600R Series Specifications are subject to change without notice. Part Number Lightning Power Cross 600R150 600R160 TIA-968-A– 1.5kV10/160μs 800V10/560μs TelcordiaGR– 1089– 1.0kV10/1000μs 2.5kV2/10μs UL60950,3rdEd–600Vac,40A TelcordiaGR–1089–600Vac,60A Devicesshouldbeindependentlyevaluatedandtestedforuseinanyspecificapplication Agency Specification Selection Guide For Telecom and Networking Applications Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. 00R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Soldering Parameters - Wave Soldering Condition WaveSoldering Peak Temp/ Duration Time 260°C<5Sec > 220°C 2Sec~20Sec Preheat 140°C~ 180°C 180Sec~210Sec Storage Condition 0°C~35°C,<70%RH

• Recommendedsolderingmethods:heatelementovenor N2environmentforlead-free
• Devicesaredesignedtobewavesolderedtothebottom sideoftheboard.
• Devicescanbecleanedusingstandardindustrymethods andsolvents.
• Thisprofilecanbeusedforlead-freedevice Note: Ifsolderingtemperaturesexceedtherecommended profile,devicesmaynotmeettheperformance requirements. Preheating 160 190 220 260 2 to 5 Temperature (°C) Soldering Cooling 20-30180 to 210 Time(s) Protection Application Guide Region/Specification Application Device Selection NorthAmerica TelcordiaGR-1089 *Accessnetworkequipment Remoteterminal Repeaters WANequipment Cross-connect 600R150 600R160 NorthAmerica TIA-968-A,UL60950 CustomerandITequipment Analogmodems ADSL,XDSLmodems Phonesets,PBXsystems Internetappliances POSterminals 600R150 600R160 NorthAmerica TelcordiaGR-1089 CentralOffice POTS/ISDNlinecards T1/E1/J1linecards ADSL/VDSLsplitters CSU/DSU 600R150 600R160 NorthAmerica TelcordiaGR-1089 *Intrabuildingcommunicationsystems LAN,VOIPcards Localloophandsets 600R150 600R160SouthAmerica/Asia/Europe ITUK.20andK.21 *Resistancebinnedpartsarerecommended 00R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging 85°C/85°C,1000hours Humidity Aging +85°C,85%R.H.1000hours Thermal Shock MIL-STD-202FMethod107G +125°Cto-55°C10times Solvent Resistance MIL-STD-202,Method215F Physical Specifications Lead Material Tin-platedcopper Soldering Characteristics SolderabilityperMIL-STD-202, Method208E Insulating Material Cured,flameretardantepoxypolymer meetsUL94V-0requirements. Device Labeling MarkedwithLF ,voltage,currentrating, anddatecode. Soldering Parameters - Solder Reflow Condition Reflow Peak Temp/ Duration Time 260°C>5Sec >220°C 30Sec~60Sec Preheat 160°C~ 190°C 60Sec~90Sec Storage Condition 0°C~35°C,<70%RH

• Recommendedreflowmethods:IR,vaporphaseoven,hot airoven,N2environmentforlead-free.
• Devicesarenotdesignedtobewavesolderedtothe bottomsideoftheboard.
• Devicescanbecleanedusingstandardindustrymethods andsolvents. Note: Ifreflowtemperaturesexceedtherecommended profile,devicesmaynotmeettheperformance requirements. Preheating 160 190 220 260 30 to 60 Temperature (°C) Soldering Cooling 12060 to 90 Time(s) 00R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Packaging Dimensions B A E D C Marking F 600 150 XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Part Number A B C D E Physical Characteristics Inches mm Inches mm Inches mm Inches mm Inches mm Lead (dia) Material Figure Figure Part Marking System B A E D C Marking F 600 150 XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Part Numbering System R: RADIAL I HOLD CURRENT CODE (SEE TABLE BELOW)

600 R 160 - RA F

T: PRE-TRIPPED DEVICE (OPTIONAL) QUANTITY CODE: F=200 U=500 SERIES PEAK VOLTAGE RATING Rx: Resistance Range (x = A-Z or 1-9) [not applicable for all parts] PACKAGING STYLE BLANK: Bulk R: Tape & Ammo I hold (A) I hold Code Packaging Option Quantity Quantity & Packaging Codes 0.15 150 Bulk 200 F TapeandAmmo 600 ZR 0.16 160 Bulk 200 F TapeandAmmo 500 UR 00R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 30R Series

• The30Rseriesradialleadeddeviceisdesignedto provideovercurrentprotectionforlowvoltage(≤30V) applicationswherespaceisnotaconcernandresettable protectionispreferred.

(A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R 1max (Ω)

• RoHScompliantand lead-free
• Fasttime-to-trip
• Cured,flameretardant epoxypolymerinsulating materialmeetsUL94V-0 requirements
• USBhubs,ports andperipherals
• Computers&peripherals
• Motorprotection
• Generalelectronics
• Automotiveapplications Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin23°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin23°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat23°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat23°Cmeasuredonehouraftertripping. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame. Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Temperature Rerating Curve -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 1 10 100 10000.20 0.900A 1.10A 1.35A 1.60A 1.85A 2.50A 3.00A 4.00A 5.00A 6.00A 7.00A 8.00A 9.00A 30R Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock +85°Cto-40°C10times ±5%typicalresistancechange Solvent Resistance MIL-STD-202,Method215F Nochange Physical Specifications Lead Material 0.90-2.50A:Tin-platedcoppercladsteel 3.00-9.00A:Tin-platedcopper Soldering Characteristics SolderabilityperMIL-STD-202, Method208E Insulating Material Cured,flameretardantepoxypolymer meetsUL94V-0requirements. Device Labeling MarkedwithLF ,voltage,currentrating, anddatecode. Soldering Parameters - Wave Soldering Pre-Heating Zone Refertothecondition recommendedbythe fluxmanufacturer. Max.rampingrate shouldnotexceed 4°C/Sec. Soldering Zone Max.soldertemperature shouldnotexceed 260°C Cooling Zone Coolingbynatural convectioninair. Preheating 160 190 220 260 5 max. Temperature (°C) Soldering Cooling 60 min. Time(s) 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded MARKING A E B C D 110U XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Dimensions Part Number A B C D E Physical Characteristics MARKING A E B C D 110U XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Part Marking System 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Packaging Part Numbering System PACKAGING STYLE R: RADIAL I HOLD CURRENT CODE (SEE TABLE BELOW) QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500 BLANK: Bulk R: Tape & Ammo

30 R 250 U P R

TYPE: U (30VDC) SERIES VOLTAGE RATING (VDC) I hold (A) I hold Code Packaging Option Quantity Quantity & Packaging Codes 0.90 090 Bulk 500 U TapeandAmmo 2000 PR 1.10 110 Bulk 500 U TapeandAmmo 2000 PR 1.35 135 Bulk 500 U TapeandAmmo 2000 PR 1.60 160 Bulk 500 U TapeandAmmo 2000 PR 1.85 185 Bulk 500 U TapeandAmmo 2000 PR 2.50 250 Bulk 500 U TapeandAmmo 2000 PR 3.00 300 Bulk 500 U TapeandAmmo 2000 PR 4.00 400 Bulk 200 F TapeandAmmo 1000 MR 5.00 500 Bulk 200 F TapeandAmmo 1000 MR 6.00 600 Bulk 200 F TapeandAmmo 1000 MR 7.00 700 Bulk 200 F TapeandAmmo 1000 MR 8.00 800 Bulk 100 H 9.00 900 Bulk 100 H 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded 60R Series

• The60Rseriesradialleadeddeviceisdesignedto provideovercurrentprotectionfor(≤60V)applications wherespaceisnotaconcernandresettableprotection ispreferred.

(A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R 1max (Ω)

• RoHScompliantand lead-free
• Fasttime-to-trip
• Cured,flameretardant epoxypolymerinsulating materialmeetsUL94V-0 requirements
• USBhubs,ports andperipherals
• IEEE1394ports
• Computers&peripherals
• Motorprotection
• Generalelectronics
• Automotiveapplications
• Industrialcontrols
• Transformers Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame. Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating Temperature Rerating CurveAverage Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 1 10 100 10000.20 0.200A 0.250A 0.300A 0.400A 0.500A 0.650A 0.750A 0.900A 1.10A 1.35A 1.60A 1.85A 2.50A 3.00A 3.75A 60R Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock +85°Cto-40°C10times ±5%typicalresistancechange Solvent Resistance MIL-STD-202,Method215F Physical Specifications Lead Material .20-.40A:Tin-platedcoppercladsteel .50-3.75A:Tin-platedcopper Soldering Characteristics SolderabilityperMIL-STD-202, Method208E Insulating Material Cured,flameretardantepoxypolymer meetsUL94V-0requirements. Device Labeling MarkedwithLF ,voltage,currentrating, anddatecode. Soldering Parameters - Wave Soldering Pre-Heating Zone Refertothecondition recommendedbythe fluxmanufacturer. Max.rampingrate shouldnotexceed 4°C/Sec. Soldering Zone Max.soldertemperature shouldnotexceed 260°C Cooling Zone Coolingbynatural convectioninair. Preheating 160 190 220 260 5 max. Temperature (°C) Soldering Cooling 60 min. Time(s) 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Dimensions A C B D E MARKING 050X XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark 025X Voltage Rating Current Rating Littelfuse Trademark XXXX Voltage Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Single Sided Marking 0.50A to 3.75A Double Sided Marking 0.20A to 0.40A Top Side Bottom Side Part Number A B C D E Physical Characteristics Inches mm Inches mm Inches mm Inches mm Inches mm Lead (dia) Material A C B D E MARKING 050X XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark 025X Voltage Rating Current Rating Littelfuse Trademark XXXX Voltage Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Single Sided Marking 0.50A to 3.75A Double Sided Marking 0.20A to 0.40A Top Side Bottom Side Part Marking System A C B D E MARKING 050X XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark 025X Voltage Rating Current Rating Littelfuse Trademark XXXX Voltage Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Single Sided Marking 0.50A to 3.75A Double Sided Marking 0.20A to 0.40A Top Side Bottom Side A C B D E MARKING 050X XXXX Voltage Rating Current Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark 025X Voltage Rating Current Rating Littelfuse Trademark XXXX Voltage Rating Date Code (Contact Littelfuse for additional information) Littelfuse Trademark Single Sided Marking 0.50A to 3.75A Double Sided Marking 0.20A to 0.40A Top Side Bottom Side 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Part Numbering System Packaging PACKAGING STYLE I HOLD CURRENT CODE (SEE TABLE BELOW) QUANTITY CODE: F=200 H=100 M=1000 P=2000 U=500 BLANK: Bulk R: Tape & Ammo

60 R 250 X M R

TYPE: X (60VDC) R: RADIAL SERIES VOLTAGE RATING (VDC) I hold (A) I holdCode Packaging Option Quantity Quantity& PackagingCodes 0.10 010 Bulk 500 U TapeandAmmo 2000 PR 0.20 020 Bulk 500 U TapeandAmmo 2000 PR 0.30 030 Bulk 500 U TapeandAmmo 2000 PR 0.40 040 Bulk 500 U TapeandAmmo 2000 PR 0.50 050 Bulk 500 U TapeandAmmo 2000 PR 0.65 065 Bulk 500 U TapeandAmmo 2000 PR 0.75 075 Bulk 500 U TapeandAmmo 2000 PR 0.90 090 Bulk 500 U TapeandAmmo 2000 PR 1.10 110 Bulk 500 U TapeandAmmo 1000 MR 1.35 135 Bulk 200 F TapeandAmmo 1000 MR 1.60 160 Bulk 200 F TapeandAmmo 1000 MR 1.85 185 Bulk 200 F TapeandAmmo 1000 MR 2.50 250 Bulk 200 F TapeandAmmo 1000 MR 3.00 300 Bulk 200 F 3.75 375 Bulk 100 H 0R Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded USBR Series

• TheUSBRseriesradialleadeddeviceisdesignedto provideovercurrentprotectionforUSBapplications wherespaceisnotaconcern.

(A) I trip (A) V max (Vdc) I max (A) P d max. (W) Maximum Time To Trip Resistance Agency Approvals Current (A) Time (Sec.) R min (Ω) R 1max (Ω)

• RoHScompliantand lead-free
• Fasttime-to-trip
• MeetsallUSBprotection requirements
• 40Ashortcircuitrating
• Operatingvoltagesof 6-16V
• Computers&peripherals
• AnyUSBapplication Ihold=Holdcurrent:maximumcurrentdevicewillpasswithouttrippingin20°Cstillair. Itrip=Tripcurrent:minimumcurrentatwhichthedevicewilltripin20°Cstillair. Vmax=Maximumvoltagedevicecanwithstandwithoutdamageatratedcurrent(Imax) Imax=Maximumfaultcurrentdevicecanwithstandwithoutdamageatratedvoltage(Vmax) Pd=Powerdissipatedfromdevicewheninthetrippedstateat20°Cstillair. Rmin=Minimumresistanceofdeviceininitial(un-soldered)state. Rtyp=Typicalresistanceofdeviceininitial(un-soldered)state. R1max= Maximumresistanceofdeviceat20°Cmeasuredonehouraftertrippingorreflow solderingof260°Cfor20sec. Caution:Operationbeyondthespecifiedratingmayresultindamageandpossiblearcing andflame. Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50082521 USBR Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Temperature Rerating Curve Ambient Operation Temperature -40°C -20°C 0°C 23°C 40°C 50°C 60°C 70°C 85°C Part Number Hold Current (A) Temperature Rerating -40 -30 -20 -10 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 85 10% 30% 50% 70% 90% 110% 130% 150% 170% Temperature (°C) Percentage of Rated Current Temperature Rerating Curve: B A A B A: 06R075B,06R120B, 06R155B B: 16R090B,16R110B, 16R135B,16R160B, 16R185B,16R250B, Average Time Current Curves CURRENT IN AMPERES TIME IN SECONDS 0.001 0.010 0.100 100 1000 10000 100000 1 10 100 10000.20 0.900A 1.10A 1.35A 1.60A 1.85A 2.50A 3.00A 4.00A 5.00A 6.00A 7.00A 8.00A 9.00A 30R Series Specifications are subject to change without notice. Theaveragetimecurrentcurvesandtemperaturereratingcurveperformanceisaffected byanumberorvariables,andthesecurvesprovidedasguidanceonly.Customermust verifytheperformanceintheirapplication. USBR Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Environmental Specifications Operating/Storage Temperature -40°Cto+85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C,1000hours ±5%typicalresistancechange Humidity Aging +85°C,85%R.H.1000hours ±5%typicalresistancechange Thermal Shock +85°Cto-40°C10times ±5%typicalresistancechange Solvent Resistance MIL-STD-202,Method215F Physical Specifications Lead Material .90-2.50A:Tin-platedcoppercladsteel .75A:Tin-platedcopper Soldering Characteristics SolderabilityperMIL-STD-202, Method208E Insulating Material Cured,flameretardantepoxypolymer meetsUL94V-0requirements. Device Labeling MarkedwithLF ,voltage,currentrating, anddatecode. Soldering Parameters - Wave Soldering Pre-Heating Zone Refertothecondition recommendedbythe fluxmanufacturer. Max.rampingrate shouldnotexceed 4°C/Sec. Soldering Zone Max.soldertemperature shouldnotexceed 260°C Cooling Zone Coolingbynatural convectioninair. Preheating 160 190 220 260 5 max. Temperature (°C) Soldering Cooling 60 min. Time(s) USBR Series Specifications are subject to change without notice.

www.littelfuse.com ©2006 Littelfuse Electronics Designers Guide POLYFUSE® Resettable PTCs Radial Leaded Part Numbering System

16 R 090 B P R

I HOLD CURRENT CODE (SEE TABLE BELOW) TYPE: B=USB QUANTITY CODE: P=2000 U=500 BLANK: Bulk R: Tape & Ammo R: RADIAL SERIES VOLTAGE RATING (VDC) Packaging I hold (A) I hold Code Voltage Packaging Option Quantity Quantity & Packaging Codes 0.75 075 6 Bulk 500 U TapeandAmmo 2000 PR 1.20 120 6 Bulk 500 U TapeandAmmo 2000 PR 1.55 155 6 Bulk 500 U TapeandAmmo 2000 PR 0.90 080 16 Bulk 500 U TapeandAmmo 2000 PR 1.10 110 16 Bulk 500 U TapeandAmmo 2000 PR 1.35 135 16 Bulk 500 U TapeandAmmo 2000 PR 1.60 160 16 Bulk 500 U TapeandAmmo 2000 PR 1.85 185 16 Bulk 500 U TapeandAmmo 2000 PR 2.50 250 16 Bulk 500 U TapeandAmmo 2000 PR USBR Series Specifications are subject to change without notice.