Surface Mount Fuses Surge Resistant > 461 Series TeleLink® Fuse 461 Series TeleLink® Fuse 5IF-JUUFMGVTF4FSJFT5FMF-JOL®4VSGBDF.PVOU 4VSHF3FTJTUBOU'VTFPGGFSTPWFSDVSSFOUQSPUFDUJPOGPS BXJEFSBOHFPGUFMFDPNBQQMJDBUJPOTXJUIPVUSFRVJSJOH BTFSJFTSFTJTUPS8IFOVTFEJODPOKVODUJPOXJUIB -JUUFMGVTF4*%"$UPS®5SBOTJFOU7PMUBHF4VQQSFTTPS574 PSB(SFFOUVCF5.(BT1MBTNB"SSFTUPSUIJTDPNCJOBUJPO QSPWJEFTBDPNQMJBOUTPMVUJPOGPSTUBOEBSETBOE SFDPNNFOEBUJPOTTVDIBT(3o$PSF5*""6- &/*&$BOE*56,BOE,5IFDPPSEJOBUJPO SFRVJSFNFOUDPOUBJOFEJO(3o$PSFBOE*56, NBZSFRVJSFBTFSJFTPGJNQFEBODFEFWJDFT Agency Approvals AGENCY Features AGENCY FILE NUMBER AMPERE RANGE t 4VSGBDFNPVOUTVSHF SFTJTUBOU4MP#MP®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 4VSHF4QFDJåDBUJPOT GSFFTPMEFSBOEIJHIFS t 1SPWJEFDPPSEJOBUFE UFNQFSBUVSFQSPåMFT QSPUFDUJPOXJUI-JUUFMGVTF XIFOPSEFSFEXJUI ® 4*%"$UPS 5SBOTJFOU 4UBOEBSE4JMWFS1MBUFE 7PMUBHF4VQQSFTTPS574 #SBTT$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"SSFTUPSXJUIPVU t 4UBOEBSEQSPEVDUJT 3P)4$PNQMJBOUBOE TFSJFTSFTJTUPST DPNQBUJCMFXJUIMFBE t %FTJHOFEUPTFSWF GSFFTPMEFSTBOEIJHIFS UIFSFRVJSFNFOUT UFNQFSBUVSFQSPåMFT PGBXJEFSBOHFPG Higher Currents and PCB layout designs can affect this parameter. Readings are measured at rated current after temperature stabilizes. Applications t 5&+BOE)%4- t 4-*$JOUFSGBDFQPSUJPOPG'JCFSUPUIF$VSC'55$ BOE 'JCFSUPUIF1SFNJTFT'551 t /PO'JCFS4-*$JOUFSGBDFGPS$FOUSBM0GåDF$0 MPDBUJPOTBOE3FNPUF5FSNJOBMT35 t Y%4-BQQMJDBUJPOTTVDIBT"%4-"%4-7%4-BOE 7%4- t &UIFSOFU#BTF5 t 1054BQQMJDBUJPOTTVDIBTNPEFNTBOTXFSJOH NBDIJOFTUFMFQIPOFTGBYNBDIJOFTBOETFDVSJUZ TZTUFNT t *4%/i6wJOUFSGBDF t #BZTUBUJPO5&+5%4 USVOLDBSET © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/461.html for current information. 85 Revised: June 8, 2011 461 Series 461 Series Description Mount Fuses IntroductionSurface to Circuit Protection ® Transientology Surge Resistant > 461 Series TeleLink Fuse Electrical Specifications by Item Ampere Rating (A) Amp Code Max Voltage Rating (V) Agency Approvals Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting It (A2sec) "!7"$ "!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) (μs) 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) (μs) (V) "MUFS OBUJWF Fuse Choices 4 Repetitions Fuse Each Choices Polarity 5IFGVTFXJMMPQFOEVSJOHUIFTFUFTUDPOEJUJPOT5IFXJMMOPUPQFOUIVT QSPWJEJOHPQFSBUJPOBMDPNQMJBODF *GTVGåDJFOUTFSJFTSFTJTUBODFJTVTFEUIFOUIFGVTFNBZCFVTFEJOUFTUDPOEJUJPOT 461 Series 86 © 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® 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 (μs) Y Y Y Y Current (A) Repetitions FBQPMBSJUZ FBQPMBSJUZ FBQPMBSJUZ FBQPMBSJUZ Recommended Fuse 'PSUIFUZQF"FWFOUTUIFGVTFXJMMPQFOQSPWJEJOHOPOPQFSBUJPOBMDPNQMJBODF5IFXJMMOPUPQFOQSPWJEJOHGPSPQFSBUJPOBMDPNQMJBODFXJUI5*""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 -.-.-.DPOEVDUFEJGOPUJOBåSFFODMPTVSF 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 /POIBOEIFME YNT XTFDTSFTU YNT XTFDTSFTU Impulse Steady-State 'PSIBOEIFMEVOJUT )[ /POIBOEIFME )[ © 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 ® Transientology Surge Resistant > 461 Series TeleLink Fuse Soldering Parameters Reflow Condition - 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 ¡$TFDPOENBY Time 25°C to peak Temperature (TP) NJOVUFTNBY Do not exceed ¡$ tP TP Critical Zone TL to TP Ramp-up TL TS(max) Temperature Pre Heat 1CoGSFFBTTFNCMZ tL Ramp-down Preheat TS(min) tS 25 time to peak temperature (t 25ºC to peak) Time Product Characteristics Materials Body:$FSBNJD Terminations:4JMWFSQMBUFE$BQT Product Marking #SBOE-PHP"NQFSF3BUJOH5 Operating Temperature ¡$UP¡$ Moisture Sensitivity Level -FWFM+45%$ Solderability *&$¡$JNNFSTJPO TFDPOET Resistance to Dissolution of Metallization *1$&*"+45%"5FTU%¡$GPS TFDPOET Thermal Shock .*-45%.FUIPE5FTU $POEJUJPO#¡$UP¡$ NJOVUFT!FBDIFYUSFNF Mechanical Shock .*-45%.FUIPE5FTU $POEJUJPO")BMG4JOF(hT NTFDTEVSBUJPO High Frequency Vibration .*-45%.FUIPE5FTU $POEJUJPO% Moisture Resistance .*-45%.FUIPEDZDMFT Terminal Strength #PBSEEFýFDUJPOQFS&*"*4 NNEFýFDUJPOGPSNJOVUF Terminal Attachment .*-45%.FUIPE5FTU $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 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/461.html for current information.