2920L LITTELFUSE | Alldatasheet

Document overview

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Technical content

Features

Applications

  • RoHS compliant and lead-free
  • Fast response to fault currents
  • High voltage
  • Low-profile
  • IEE1394 port protection
  • Powered ethernet port protection (IEEE 802.3 af)
  • Automotive electronic control module protection
  • Low voltage telecom equipment protection

www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount 2920L Series Specifications are subject to change without notice. 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 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 The average time current curves and temperature rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application.

www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount 2920L Series Specifications are subject to change without notice. Electronics Designers Guide Environmental Specifications Soldering Parameters Condition Reflow Peak Temp/ Duration Time 260°C / 10 Sec Time above liquids (TAL) 220°C 60 Sec ~ 100 Sec Preheat 120°C~ 180°C 50 Sec ~ 150 Sec Storage Condition 0°C~35°C, <=70%RH

  • Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for lead-free
  • Devices are not designed to be wave soldered to the bottom side of the board.
  • Recommended maximum paste thickness is 0.25mm (0.010 inch)
  • Devices can be cleaned using standard industry methods and solvents. Note: If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. Operating/Storage Temperature -40°C to +85°C Maximum Device Surface Temperature in Tripped State 125°C Passive Aging +85°C, 1000 hours ±5% typical resistance change Humidity Aging +85°C, 85%R.H. 1000 hours ±5% typical resistance change Thermal Shock MIL-STD-202 Method 107G +85°C/-40°C 20 times -30% typical resistance change Solvent Resistance MIL-STD-202, Method 215 Vibration MIL-STD-883C, Method 2007.1, Condition A Physical Specifications Terminal Material Solder-Plated Copper (Solder Material: Matte Tin(Sn)) Lead Solderability Meets EIA Specification RS186-9E, ANSI/ J-STD-002 Category 3. Preheating 120 180 220 260 60 to 100 Temperature (°C) Soldering Cooling 12050 to 150 Time(s)

www.littelfuse.com ©2006 Littelfuse POLYFUSE® Resettable PTCs Surface Mount 2920L Series Specifications are subject to change without notice. Electronics Designers Guide 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 POLYFUSE® Resettable PTCs Surface Mount 2920L Series Specifications are subject to change without notice. Electronics Designers Guide Packaging I hold (A) I hold Code Voltage Option Packaging Option Quantity Quantity & Packaging Codes 0.30 030 Tape and Reel 1500 DR 0.50 050 Tape and Reel 1500 DR 0.75 075 Tape and Reel 1500 DR 1.10 100 Tape and Reel 2000 PR 1.25 125 Tape and Reel 2000 PR 1.50 150 Tape and Reel 1500 DR 1.85 185 Tape and Reel 1500 DR 2.00 200 Tape and Reel 1500 DR /24 Tape and Reel 1500 DR 2.50 250 Tape and Reel 1500 DR 2.60 260 Tape and Reel 2000 PR 3.00 300 Tape and Reel 1500 DR /15 Tape and Reel 1500 DR