04351.25KRHF Littelfuse

Surface Mount Fuses Thin Film > 0402 Size > Very Fast-Acting > 435 Series 435 Series Fuse Description BDF NPVOU UIJO MN BTU BDUJOH TVSG IF 4FSJFT BSF G 5 PS FT UIFN JEFBM G F NBL F TJ IFJS VMUSB TNBMM TJ 5 GVTFT TFDPOEBS Z QSPUFDUJPO PG DJSDVJUT VTFE JO TQBDF DPOTUSBJOFE WJDFT I BT IBOE IFME QPSU BCMF FMFDUSPOJD EF BQQMJDBUJPOT TVD MFBE GSFF BOE NFFU UIF SFRVJSFNFOUT PG IJT TFSJFT JT 5 SFF 4FSJFT GVTFT BSF X )BMPHFO F /F P)4 EJSFDUJW UIF 3 BSU /VNCFSJOH Y 4FF 1 i) w TVG BJMBCMFoUP PSEFS VTF UIF W B PSNBUJPO PS BEEJUJPOBM JOG TFDUJPO G Features t VQU SBUJOH BU S JOUFS t .BYJNVN QSPUFDUJPO Agency Approvals 7% F DJSDVJUT PG TFOTJUJW BT GVTFT BSF EFTJHOFE AGENCY AGENCY FILE NUMBER AMPERE RANGE t SFOU F XJUI DVS 4NBMM TJ UP PQFO DPOTJTUFOUMZ SBUJOHT PG UP JO TFD BU E10480 0.250 - 5.0A BNQFSFT FSMPBE W P t P)4 DPNQMJBOU MFBE 3 029862 0 000 0.250 - 5.0A t &OIBODFE SFBLJOH GSFF BOE IBMPHFO GSFF )JHI M BQBDJU Z U Electrical Characteristics for Series Applications 4FDPOEBS PS TQBDF DPOTUSBJOFE BQQMJDBUJPOT Z QSPUFDUJPO G % of Ampere O Opening Time at 25 C I BT TVD Rating IPVST .JOJNVN t FMM QIPOFT t FST Z 7% QMB % TFD .BYJNVN t LT UFS Z QBD BU t FT )BSE EJTL ESJW TFD .BYJNVN t %JHJU BM DBNFSBT Electrical Specifications by Item Max Nom Nom Agency Approvals Ampere Nominal Cold Nominal Amp Voltage Interrupting Voltage Power Rating Resistance Melting Code Rating Rating Drop Dissipation 2 (A) (Ohms) I t (A sec) (V) (mV) (W) Y Y Y Y Y Y Y Y Y Y Y Y Y Y 7 % Y Y Y Y Y Y Y Y Y Y Y Y Y Y SFOU PG SBUFE DVS .FBTVSFE BU PMU .FBTVSFE BU SBUFE WBHF 2009 Littelfuse, Inc. 435 Series 45 Specifications are subject to change without notice. Revised: June 11, 2009 Please refer to www.littelfuse.com/series/435.html for current information. 435 Series Surface Mount Fuses IntrIntroduction toduction too Cir Circuit Prcuit Prototectionection Transientology Thin Film > 0402 Size > Very Fast-Acting > 435 Series Temperature Rerating Curve Average Time Current Curves 100 10 1 0.1 /PUF 0.01 %FSBUJOH EFQJDUFE JO UIJT DVS F JT JO BEEJUJPO UP UIF TU WBOEB PS SE EFSBUJOH PG G DPOUJOVPVT PQFSBUJPO &YBNQMF PS DPOUJOVPVT PQFSBUJPO BU EFHSFFT DFMTJVT UIF GVTF TIPVM XT PMMP E CF EFSBUFEBT G 0.001 0.1 1 10 100 * * * 5 3 5 3 CURRENT IN AMPERES Soldering Parameters t Reflow Condition SFF BTTFNCMZ 1C o P T P Critical Zone Ramp-up T to T L P - Temperature Min (T ) s(min) T L Pre Heat - Temperature Max (T ) t s(max) L T S(max) - Time (Min to Max) (t ) TFDT o s Ramp-down Average ramp up rate (Liquidus Temp Preheat TFDPOE NBY (T ) to peak T L S(min) t S T to T - Ramp-up Rate TFDPOE NBY S(max) L - Temperature (T ) (Liquidus) L 25 Reflow time to peak temperature - Temperature (t ) TFDPOET o L Time (t 25C to peak) Peak Temperature (T ) P Time within 5C of actual peak o TFDPOET Temperature (t ) p Ramp-down Rate TFDPOE NBY Time 25C to peak Temperature (T ) NJOVUFT .BY P Do not exceed Wave Soldering TFDPOET NBY 2009 Littelfuse, Inc. 435 Series 46 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/435.html for current information. TIME IN SECONDS .25A .375A .5A .75A 1A 1.25A 1.5A 1.75A 2A 2.5A 3A 3.5A 4A 5A Temperature