Surface Mount Fuses Surge Resistant > 461 Series TeleLink(R) Fuse 461 Series TeleLink(R) Fuse 5IF-JUUFMGVTF4FSJFT5FMF-JOL(R)4VSGBDF.PVOU 4VSHF3FTJTUBOU'VTF PGGFSTPWFSDVSSFOUQSPUFDUJPOGPS BXJEFSBOHFPGUFMFDPNBQQMJDBUJPOTXJUIPVUSFRVJSJOH BTFSJFTSFTJTUPS8IFOVTFEJODPOKVODUJPOXJUIB -JUUFMGVTF4*%"$UPS(R)5SBOTJFOU7PMUBHF4VQQSFTTPS 574 PSB(SFFOUVCF5.(BT1MBTNB"SSFTUPS UIJTDPNCJOBUJPO QSPWJEFTBDPNQMJBOUTPMVUJPOGPSTUBOEBSETBOE SFDPNNFOEBUJPOTTVDIBT(3o$PSF 5*"" 6- &/*&$ BOE*56,BOE,5IFDPPSEJOBUJPO SFRVJSFNFOUDPOUBJOFEJO(3o$PSF BOE*56, NBZSFRVJSFBTFSJFTPGJNQFEBODFEFWJDFT Agency Approvals AGENCY Features AGENCY FILE NUMBER AMPERE RANGE t 4VSGBDFNPVOUTVSHF SFTJTUBOU4MP#MP(R)GVTF E10480 500mA - 2A LR29862 500mA - 2A t .FFU6-SE &EJUJPOQPXFSDSPTT SFRVJSFNFOUTTUBOEBSE BMPOF t "SBUJOHIBTJNQSPWFE UFNQFSBUVSFSJTF QFSGPSNBODFVOEFS" TVSHFDVSSFOUUFTUJOH XIFODPNQBSFEXJUI t %FTJHOFEUPBMMPX "SBUJOH DPNQMJBODFXJUI5FMDPSEJB (3$03&BOE5*" t 1SPEVDUJT)BMPHFO'SFF BOE3P)4DPNQMJBOUBOE " GPSNFSMZ'$$1BSU DPNQBUJCMFXJUIMFBE 4VSHF4QFDJaDBUJPOT GSFFTPMEFSBOEIJHIFS t 1SPWJEFDPPSEJOBUFE UFNQFSBUVSFQSPaMFT QSPUFDUJPOXJUI-JUUFMGVTF XIFOPSEFSFEXJUI (R) 4*%"$UPS 5SBOTJFOU 4UBOEBSE4JMWFS1MBUFE 7PMUBHF4VQQSFTTPS 574 #SBTT$BQT 5. PSB(SFFOUVCF (BT Electrical Characteristics for Series % of Ampere Rating Opening Time IPVST .JOJNVN TFD .JOTFDT .BY Maximum Temperature Rise Telecom Nano Fuse Temperature Reading $ ' $ ' UFMFDPNNVOJDBUJPOBOE OFUXPSLJOHFRVJQNFOU 1MBTNB"SSFTUPS XJUIPVU t 4UBOEBSEQSPEVDUJT 3P)4$PNQMJBOUBOE TFSJFTSFTJTUPST DPNQBUJCMFXJUIMFBE t %FTJHOFEUPTFSWF GSFFTPMEFSTBOEIJHIFS UIFSFRVJSFNFOUT UFNQFSBUVSFQSPaMFT PGBXJEFSBOHFPG Higher Currents and PCB layout designs can affect this parameter. Readings are measured at rated current after temperature stabilizes. Applications t 5&+BOE)%4- t 4-*$JOUFSGBDFQPSUJPOPG'JCFSUPUIF$VSC '55$ BOE 'JCFSUPUIF1SFNJTFT '551 t /PO'JCFS4-*$JOUFSGBDFGPS$FOUSBM0GaDF $0 MPDBUJPOTBOE3FNPUF5FSNJOBMT 35 t Y%4-BQQMJDBUJPOTTVDIBT"%4- "%4- 7%4- BOE 7%4- t &UIFSOFU#BTF5 t 1054BQQMJDBUJPOTTVDIBTNPEFNT BOTXFSJOH NBDIJOFT UFMFQIPOFT GBYNBDIJOFT BOETFDVSJUZ TZTUFNT t *4%/i6wJOUFSGBDF t #BZTUBUJPO5&+ 5 %4 USVOLDBSET (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/461.html for current information. 85 Revised: June 8, 2011 461 Series 461 Series Description Mount Fuses IntroductionSurface to Circuit Protection (R) Transientology Surge Resistant > 461 Series TeleLink Fuse Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) Agency Approvals Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting It (A2sec) "!7"$ "!7%$ Y Y Y Y Y Y * UJTDBMDVMBUFEBUNTFDTPSMFTT*UBUUJNFTSBUFEDVSSFOUIBTBUZQJDBMWBMVFPG"TFD " "TFD " "TFD " t 5ZQJDBMJOEVDUBODFO)VQUP.)[ t 3FTJTUBODFDIBOHFTGPSFWFSZ$ t 3FTJTUBODFJTNFBTVSFEBUSBUFEDVSSFOU 2A .500A 1.25A Average Time Current Curves Temperature Rerating Curve 100 TIME IN SECONDS 10 1 0.1 /PUF 0.01 3FSBUJOHEFQJDUFEJOUIJTDVSWFJTJOBEEJUJPOUPUIFTUBOEBSESFSBUJOHPGGPS DPOUJOVPVTPQFSBUJPO 0.001 0.1 1 10 100 1000 CURRENT IN AMPERES 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) Minimum Minimum Max. Repetitions Peak Peak Rise/Min. Surge Each Voltage Current Decay Polarity (V) (A) (s) GR 1089 2nd level lightning surge telecom port (Equipment under test shall not become a fire or electrical safety hazard) Max. Minimum Minimum Rise/Min. Peak Surge Peak Decay Voltage Current (A) (s) (V) "MUFS OBUJWF Fuse Choices 4 Repetitions Fuse Each Choices Polarity 5IFGVTFXJMMPQFOEVSJOHUIFTFUFTUDPOEJUJPOT5IFXJMMOPUPQFOUIVT QSPWJEJOHPQFSBUJPOBMDPNQMJBODF *GTVGaDJFOUTFSJFTSFTJTUBODFJTVTFE UIFOUIFGVTFNBZCFVTFEJOUFTUDPOEJUJPOT 461 Series 86 (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/461.html for current information. Surface Mount Fuses Surge Resistant > 461 Series TeleLink(R) Fuse GR 1089 AC power fault 2nd level (fuse can open but must open in a safe and controlled manner) GR 1089 AC power fault 1st level inter-building (fuse not allowed to open) 4 Short Circuit Current (A) Vrms %JBHSBN %JBHSBN Primary Fuse Protector Choices Hits Duration NJO NJO SFNPWFE SFNPWFE TFD SFNPWFE TFD TFDT TFDT TFDT TFDT TFD PQFSBUJWF SFNPWFE SFNPWFE SFNPWFE SFNPWFE JOQMBDF Test Circuit Vrms 4 %JBHSBN Short Circuit Current (A) %JBHSBN Duration Fuse NJO TFDT TFDT NJO NJO Fuse must open before wiring simulator fuse (MDL 2.0). 461 Series Test TIA -968-A (formerly FCC Part 68) Surge Waveforms (fuse can not open during type B events) Surge .FUBMMJD" -POHJUVEJOBM" .FUBMMJD# -POHJUVEJOBM# Voltage (V) Waveform (s) Y Y Y Y Current (A) Repetitions FBQPMBSJUZ FBQPMBSJUZ FBQPMBSJUZ FBQPMBSJUZ Recommended Fuse 'PSUIFUZQF"FWFOUTUIFGVTFXJMMPQFO QSPWJEJOHOPOPQFSBUJPOBMDPNQMJBODF5IFXJMMOPUPQFO QSPWJEJOHGPSPQFSBUJPOBMDPNQMJBODFXJUI5*""UZQF"TVSHFFWFOUT UL 60950 requirements Dimensions UL60950 (EN 60950) (formerly UL 1950) Power Cross (L = longitudinal, M = metallic) Test Number - - - - - . . . . Voltage (V) Current (A) Time TFDT TFDT NJO NJO NJO TFDT TFDT NJO NJO 3.25 (.128") 10.10 (.397") Fuse Choices LF 1.25A T 3.12 (.123") 6.10 (.240") 3.12 (.123") 3.43 (.135") 12.6 (.496") 1.70 typ (.067") Recommended Pad Layout 4election of test number depends on current limiting F fire enclosure/spacing of end product t "8(MJOFDPSESFNPWFT-.UFTUSFRVJSFNFOU t -DPOEVDUFEPOMZJGQSPEVDUEPFTOPUQBTTTFDUJPO t - . - . - .DPOEVDUFEJGOPUJOBaSFFODMPTVSF Fuse must open before the wiring simulator fuse (MDL 2.0). UL60950 (EN 60950) (formerly UL 1950) Impulse Test and Steady-State Electric Strength Test Test Voltage (V) Current (A) Waveform Repetitions Fuse Choices 'PSIBOEIFMEVOJUT YNT XTFDTSFTU /POIBOEIFME YNT XTFDTSFTU Impulse Steady-State 'PSIBOEIFMEVOJUT )[ /POIBOEIFME )[ (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/461.html for current information. 87 461 Series Mount Fuses IntroductionSurface to Circuit Protection (R) Transientology Surge Resistant > 461 Series TeleLink Fuse Soldering Parameters Reflow Condition Critical Zone TL to TP Ramp-up - 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 tP TP - Temperature (TL) (Liquidus) $ - Temperature (tL) oTFDPOET TL TS(max) Temperature Pre Heat 1CoGSFFBTTFNCMZ tL Ramp-down Preheat TS(min) tS 25 Peak Temperature (TP) Time within 5C of actual peak Temperature (tp) oTFDPOET time to peak temperature (t 25C to peak) Time $ Ramp-down Rate $TFDPOENBY Time 25C to peak Temperature (TP) NJOVUFTNBY Do not exceed $ Product Characteristics Materials Body:$FSBNJD Terminations:4JMWFSQMBUFE$BQT Product Marking #SBOE-PHP "NQFSF3BUJOH 5 Operating Temperature $UP$ Moisture Sensitivity Level -FWFM +45%$ Solderability *&$ $JNNFSTJPO TFDPOET Resistance to Dissolution of Metallization *1$&*"+45%"5FTU%$GPS TFDPOET 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 Terminal Strength #PBSEEFyFDUJPOQFS&*"*4 NNEFyFDUJPOGPSNJOVUF Terminal Attachment .*-45% .FUIPE 5FTU $POEJUJPO" MCTBQQMJFEUPFOEDBQT Part Numbering System 0461 1.25 E R SERIES AMP Code* 3FGFSUP&MFDUSJDBM $IBSBDUFSJTUJDTUBCMF QUANTITY Code &QDT PACKAGING Code 35BQFBOE3FFM *Example: BNQQSPEVDUJT002.ER BNQQSPEVDUTIPXOBCPWF Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code NN5BQFBOE3FFM &*"34 *&$ QBSU ER 461 Series 88 (c) 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/461.html for current information.