0461.500ER

0461.500ER LITTELFUSE | Alldatasheet

Document overview

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Technical content

Features

SFTJTUBOU4MP#MP®GVTF t .FFU6-SE &EJUJPOQPXFSDSPTT SFRVJSFNFOUTTUBOEBSE BMPOF t %FTJHOFEUPBMMPX DPNQMJBODFXJUI5FMDPSEJB (3$03&BOE5*" " GPSNFSMZ'$$1BSU 4VSHF4QFDJåDBUJPOT t 1SPWJEFDPPSEJOBUFE QSPUFDUJPOXJUI-JUUFMGVTF 4*%"$UPS ®5SBOTJFOU 7PMUBHF4VQQSFTTPS 574 PSB(SFFOUVCF 5.(BT 1MBTNB"SSFTUPS XJUIPVU TFSJFTSFTJTUPST t %FTJHOFEUPTFSWF UIFSFRVJSFNFOUT PGBXJEFSBOHFPG UFMFDPNNVOJDBUJPOBOE OFUXPSLJOHFRVJQNFOU t "SBUJOHIBTJNQSPWFE UFNQFSBUVSFSJTF QFSGPSNBODFVOEFS" TVSHFDVSSFOUUFTUJOH XIFODPNQBSFEXJUI "SBUJOH t 1SPEVDUJT)BMPHFO'SFF BOE3P)4DPNQMJBOUBOE DPNQBUJCMFXJUIMFBE GSFFTPMEFSBOEIJHIFS UFNQFSBUVSFQSPåMFT XIFOPSEFSFEXJUI 4UBOEBSE4JMWFS1MBUFE #SBTT$BQT t 4UBOEBSEQSPEVDUJT 3P)4$PNQMJBOUBOE DPNQBUJCMFXJUIMFBE GSFFTPMEFSTBOEIJHIFS UFNQFSBUVSFQSPåMFT AGENCY AGENCY FILE NUMBER AMPERE RANGE E10480 500mA - 2A LR29862 500mA - 2A % of Ampere Rating Opening Time IPVST .JOJNVN TFD .JO TFDT .BY 5IF-JUUFMGVTF4FSJFT5FMF-JOL®4VSGBDF.PVOU 4VSHF3FTJTUBOU'VTF PGGFSTPWFSDVSSFOUQSPUFDUJPOGPS BXJEFSBOHFPGUFMFDPNBQQMJDBUJPOTXJUIPVUSFRVJSJOH BTFSJFTSFTJTUPS8IFOVTFEJODPOKVODUJPOXJUIB -JUUFMGVTF4*%"$UPS ®5SBOTJFOU7PMUBHF4VQQSFTTPS 574 PSB(SFFOUVCF5.(BT1MBTNB"SSFTUPS UIJTDPNCJOBUJPO QSPWJEFTBDPNQMJBOUTPMVUJPOGPSTUBOEBSETBOE SFDPNNFOEBUJPOTTVDIBT(3o$PSF 5*"" &/*&$ BOE*56,BOE,5IFDPPSEJOBUJPO SFRVJSFNFOUDPOUBJOFEJO(3o$PSF BOE*56, NBZSFRVJSFBTFSJFTPGJNQFEBODFEFWJDFT

Applications

t 5&+BOE)%4- t 4-*$JOUFSGBDFQPSUJPOPG'JCFSUPUIF$VSC '55$ BOE 'JCFSUPUIF1SFNJTFT '551 t /PO'JCFS4-*$JOUFSGBDFGPS$FOUSBM0GåDF $0 MPDBUJPOTBOE3FNPUF5FSNJOBMT 35 t Y%4-BQQMJDBUJPOTTVDIBT"%4- "%4- 7%4- BOE 7%4- t &UIFSOFU#BTF5 t 1054BQQMJDBUJPOTTVDIBTNPEFNT BOTXFSJOH NBDIJOFT UFMFQIPOFT GBYNBDIJOFT BOETFDVSJUZ TZTUFNT t *4%/i6wJOUFSGBDF t #BZTUBUJPO5&+ 5 %4 USVOLDBSET Telecom Nano¥ Fuse Temperature Reading ¡$ ¡' ¡$ ¡' Maximum T emperature Rise Higher Currents and PCB layout designs can affect this parameter. Readings are measured at rated current after temperature stabilizes. Revised: June 8, 2011

Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology 86 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Surface Mount Fuses

461 Series

Surge Resistant > 461 Series TeleLink® Fuse Please refer to www.littelfuse.com/series/461.html for current information. Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting It (A2sec) Agency Approvals "!7"$ "!7%$ YY YY YY *UJTDBMDVMBUFEBUNTFDTPSMFTT*UBUUJNFTSBUFEDVSSFOUIBTBUZQJDBMWBMVFPG"TFD " "TFD " "TFD " t 5ZQJDBMJOEVDUBODF O)VQUP.)[ t 3FTJTUBODFDIBOHFTGPSFWFSZ¡$ t 3FTJTUBODFJTNFBTVSFEBUSBUFEDVSSFOU GR 1089 Inter-building requirements GR 1089 1st level lighting surge inter-building (Equipment under test can not be damaged and must continue to operate properly) Surge Minimum Peak Voltage (V) Minimum Peak Current (A) Max. Rise/Min. Decay (μs) Repetitions Each Polarity Fuse Choices GR 1089 2nd level lightning surge telecom port (Equipment under test shall not become a fire or electrical safety hazard) Surge Minimum Peak Voltage (V) Minimum Peak Current (A) Max. Rise/Min. Decay (μs) Repe- titions Each Polarity Fuse Choices "MUFS OBUJWF *GTVGåDJFOUTFSJFTSFTJTUBODFJTVTFE UIFOUIFGVTFNBZCFVTFEJOUFTUDPOEJUJPOT 5IFGVTFXJMMPQFOEVSJOHUIFTFUFTUDPOEJUJPOT5IFXJMMOPUPQFOUIVT QSPWJEJOHPQFSBUJPOBMDPNQMJBODF Average Time Current Curves 10001001010.1 0.001 0.01 0.1 100 CURRENT IN AMPERES TIME IN SECONDS 1.25A .500A T emperature Rerating Curve /PUF 3FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSESFSBUJOHPGGPS DPOUJOVPVTPQFSBUJPO

87© 2009 Littelfuse, Inc. Specifications are subject to change without notice. Surface Mount Fuses Surge Resistant > 461 Series TeleLink® Fuse Please refer to www.littelfuse.com/series/461.html for current information. GR 1089 AC power fault 1st level inter-building (fuse not allowed to open) GR 1089 AC power fault 2nd level (fuse can open but must open in a safe and controlled manner) Test Vrms Short Circuit Current (A) Hits Duration Primary Protector Fuse Choices NJO SFNPWFE NJO SFNPWFE TFD SFNPWFE

4 TFD PQFSBUJWF

%JBHSBN %JBHSBN TFDT SFNPWFE TFDT SFNPWFE TFDT SFNPWFE TFDT SFNPWFE TFD JOQMBDF Test Circuit Vrms Short Circuit Current (A) Duration Fuse NJO TFDT TFDT

4 NJO

%JBHSBN %JBHSBN NJO Fuse must open before wiring simulator fuse (MDL 2.0). Surge Voltage (V) Waveform (μs) Current (A) Repetitions Recommended Fuse .FUBMMJD" Y FBQPMBSJUZ -POHJUVEJOBM" Y FBQPMBSJUZ .FUBMMJD# Y FBQPMBSJUZ -POHJUVEJOBM# Y FBQPMBSJUZ TIA –968-A (formerly FCC Part 68) Surge Waveforms (fuse can not open during type B events) UL 60950 requirements UL60950 (EN 60950) (formerly UL 1950) Power Cross (L = longitudinal, M = metallic) Test Number Voltage (V) Current (A) Time Fuse Choices - TFDT - TFDT - NJO - NJO - NJO . TFDT . TFDT . NJO . NJO 4election of test number depends on current limiting F fire enclosure/spacing of end product t "8(MJOFDPSESFNPWFT-.UFTUSFRVJSFNFOU t -DPOEVDUFEPOMZJGQSPEVDUEPFTOPUQBTTTFDUJPO t - .DPOEVDUFEJGOPUJOBåSFFODMPTVSF Fuse must open before the wiring simulator fuse (MDL 2.0). UL60950 (EN 60950) (formerly UL 1950) Impulse T est and Steady-State Electric Strength T est Test Voltage (V) Current (A) Waveform Repetitions Fuse Choices Impulse 'PSIBOEIFMEVOJUT YNT XTFDTSFTU /POIBOEIFME YNT XTFDTSFTU Steady-State 'PSIBOEIFMEVOJUT )[ /POIBOEIFME )[ 'PSUIFUZQF"FWFOUTUIFGVTFXJMMPQFO QSPWJEJOHOPOPQFSBUJPOBMDPNQMJBODF5IFXJMMOPUPQFO QSPWJEJOHGPSPQFSBUJPOBMDPNQMJBODFXJUI5*""UZQF"TVSHFFWFOUT LF 1.25A T 3.12 (.123") 3.12 (.123") 10.10 (.397") 3.25 (.128") 3.43 (.135") 12.6 (.496") 6.10 (.240") Recommended Pad Layout1.70 typ (.067") Dimensions

Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology 88 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Surface Mount Fuses Surge Resistant > 461 Series TeleLink® Fuse Please refer to www.littelfuse.com/series/461.html for current information. Materials Body:$FSBNJD T erminations:4JMWFSQMBUFE$BQT Product Marking #SBOE-PHP "NQFSF3BUJOH Operating T emperature ¡$UP¡$ Moisture Sensitivity Level -FWFM +45%$ Solderability *&$ ¡$JNNFSTJPO TFDPOET Resistance to Dissolution of Metallization TFDPOET Product Characteristics Reflow Condition 1CoGSFFBTTFNCMZ Pre Heat - Temperature Min (Ts(min)) ¡$ - Temperature Max (Ts(max)) ¡$ - Time (Min to Max) (ts) oTFDPOET Average Ramp-up Rate (Liquidus Temp (TL) to peak) ¡$TFDPOENBY TS(max) to TL - Ramp-up Rate ¡$TFDPOENBY Reflow - Temperature (TL) (Liquidus) ¡$ - Temperature (tL) oTFDPOET Peak Temperature (TP) Time within 5°C of actual peak Temperature (tp) oTFDPOET Ramp-down Rate ¡$TFDPOENBY Time 25°C to peak Temperature (TP) NJOVUFTNBY Do not exceed ¡$ Soldering Parameters Packaging Part Numbering System Packaging Option Packaging Specification Quantity Quantity & Packaging Code QBSU ER Thermal Shock .*-45% .FUIPE 5FTU $POEJUJPO# ¡$UP NJOVUFT!FBDIFYUSFNF Mechanical Shock .*-45% .FUIPE 5FTU $POEJUJPO")BMG4JOF (hT NTFDTEVSBUJPO High Frequency Vibration .*-45% .FUIPE 5FTU $POEJUJPO% Moisture Resistance .*-45% .FUIPE DZDMFT T erminal Strength #PBSEEFýFDUJPOQFS&*"*4 NNEFýFDUJPOGPSNJOVUF T erminal Attachment .*-45% .FUIPE 5FTU $POEJUJPO" MCTBQQMJFEUPFOEDBQT 0461 1.25 E R SERIES AMP Code* QUANTITY Code PACKAGING Code 3FGFSUP&MFDUSJDBM $IBSBDUFSJTUJDTUBCMF QDT 5BQFBOE3FFM *Example: BNQQSPEVDUJT002.ER BNQQSPEVDUTIPXOBCPWF Time Temperature TP TL TS(max) TS(min) tP tL tS time to peak temperature (t 25ºC to peak) Ramp-down Ramp-up Preheat Critical Zone TL to TP