0253010.V Littelfuse

Axial Lead & Cartridge Fuses PICO ll > Very Fast-Acting > 251/253 Series PS E 251/253 Series, PICO II, Very Fast-Acting Fuse TUV QPL Description The PICO II Very Fast-Acting Fuse is designed to meet an extensive array of performance characteristics in a space-saving subminiature package. Features t SF BTU BDUJOH Z G 7 t BJMBCMF W )BMPHFO GSFF B t F 4NBMM TJ t 8 JEF PQFSBUJOH temperature range t 8 SFOU SBUJOH JEF DVS range (62mA- 15A) t VSF X UFNQFSBU P - rerating t P)4 DPNQMJBOU 3 Applications Agency Approvals 4FDPOEBS PS TQBDF DPOTUSBJOFE BQQMJDBUJPOT Z QSPUFDUJPO G Agency Agency File Number Ampere Range t 57 Z MBUoQBOFM EJTQMB t FS TVQQMZ X P 1 t - % NPOJUPS t TUFN VEJP 7JEFP TZ E10480 62mA - 15A t FSUFS W LMJHIU JO - % CBD t TUFN -JHIUJOH TZ LR 29862 62mA - 15A t IJOFT DF NBD 0G t .FEJDBM FRVJQNFOU PS JET 1896-31007-1001 1A - 5A E Electrical Characteristics for Series J50158379 500mA - 10A TUV % of Ampere Ampere Rating Opening Time FM10 62mA - 15A QPL Rating 100% 62mA - 15A 4 Hours, Min. 2009010207366577 500mA, 1A, 2A, 2.5A, 500mA to 5A 62mA - 7A 1 Second, Max. 3A, 4A, 5A, 7A, 10A Pending 7A, 10A 200% 10A 3 Seconds, Max. 12 - 15A 10 Seconds, Max. 500mA, 1A, 2A, 275% 2.5A, 3A, 4A, 5A, 300 msecs., Max. 7A, 10A 500mA, 1A, 2A, 400% 2.5A, 3A, 4A, 5A, 30 msecs., Max. 7A, 10A 500mA, 1A, 2A, 1000% 2.5A, 3A, 4A, 5A, 4 msecs., Max. 7A, 10A 2009 Littelfuse, Inc. 251/253 Series 199 Specifications are subject to change without notice. Revised: February 8, 2010 Please refer to www.littelfuse.com/series/251.html or /253.html for current information. 251/253 SeriesIntrIntroduction toduction too Cir Circuit Prcuit Prototectionection Axial Lead & Cartridge Fuses Transientology PICO ll > Very Fast-Acting > 251/253 Series Electrical Specifications by Item Agency Approvals Max Nominal Nom Ampere Ordering Ordering Nominal Amp Voltage Interrupting Cold Voltage Rating Number Number Melting PS Code Rating Rating Resistance Drop 2 2 E TUV QPL (A) (Std.) (Mil.) I t (A sec) (V) (Ohms) (V) .062 .062 251.062 253.062 125 7.000 0.000113 1.4 x x x .125 .125 251.125 253.125 125 1.700 0.00174 0.285 x x x .250 .250 251.250 253.250 125 0.665 0.0116 0.24 x x x .375 .375 251.375 253.375 125 0.395 0.0296 0.215 x x x .500 .500 251.500 253.500 125 0.280 0.0598 0.2165 x x x x x 300 A rated .630 .630 251.630 125 0.205 0.094 0.188 x x PMU BHF % W .750 .750 251.750 253.750 125 0.175 0.153 0.176 x x x x 1.00 001. 251001. 253001. 125 0.128 0.256 0.194 xxxxx x 50 A rated PMU BHF W 1.25 1.25 2511.25 125 0.100 0.390 0.2 x x x 1.50 01.5 25101.5 25301.5 125 0.0823 0.587 0.21 xxxxx For CCC 7A: 2.00 002. 251002. 253002. 125 0.0473 0.405 0.141 xxxxx x 70 A rated 2.50 02.5 25102.5 125 0.0360 0.721 0.132 xxxx x PMU BHF W 3.00 003. 251003. 253003. 125 0.0290 1.19 0.131 xxxxx x For CCC 10A: 3.50 03.5 25103.5 125 0.0240 1.58 0.1205 xxxx 100 A rated 4.00 004. 251004. 253004. 125 0.0204 2.45 0.114 xxxxx x PMU WBHF 5.00 005. 251005. 253005. 125 0.0155 4.14 0.11 xxxxx x 7.00 007. 251007. 253007. 125 0.0105 10.4 0.102 x x x x P 10.0 010. 251010. 253010. 125 0.00705 25.5 0.1 x x x x P 12.0 012. 251012. 32 0.0055 45.2 0.0878 x x 15.0 015. 251015. 253015. 32 0.00446 68.8 0.071 x x x Note: UFMGVTF BJMBCMF 1MFBTF DPOU WBDU -JU )JHIFS BNQFSF SBUJOHT BSF B P F GUFMGVTF QSPEVDUT SFQSFTFOU BUJW PVS -JU IOJDBM 4VQQPSU PS Z DF 5 S BTTJTU BODF P = Pending Y JO UIF QB i4w TVG PS 4BOE JMMFE QBSU QMFBTF BEE SU OVNCFS 2009 Littelfuse, Inc. 251/253 Series 200 Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/251.html or /253.html for current information.