0471005.NAT1L Littelfuse

Axial Lead & Cartridge Fuses PICO ll > Very Fast-Acting Fuse > 251/253 Series PS E 251/253 Series, PICO II Very Fast-Acting Fuse 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 Very fast-acting Halogen-free available Small size Wide operating temperature range Wide current rating range (0.062A- 15A) Low temperature re-rating Applications Agency Approvals Secondary protection for space constrained applications Agency File Number Agency Ampere Range Flatpanel display TV Power supply 253 Series 251 Series LCD monitor Audio/Video system E10480 0.062A - 15A LCD backlight inverter Lighting system 29862 0.062A - 15A Office machines Medical equipment PS PSE NBK200416-JP1021 1A - 5A E Electrical Characteristics for Series J50158379 0.500A - 10A % of Ampere Ampere Rating Opening Time FM10 N/A 0.062A - 15A Rating 100% 0.062A - 15A 4 Hours, Min. 0.500A, 1A, 2A, 2009010207366577 0.062A - 7A 1 Second, Max. 2.5A, 3A, 4A, 5A 200% 10A 3 Seconds, Max. Note: See Electrical Specifications by Item table for specific approved ratings. 12 - 15A 10 Seconds, Max. 0.500A, 1A, 2A, 275% 2.5A, 3A, 4A, 5A, 300 msecs., Max. Additional Information 7A, 10A 0.5A, 1A, 2A, 2.5A, 400% 30 msecs., Max. 3A, 4A, 5A, 7A, 10A 0.500A, 1A, 2A, 1000% 2.5A, 3A, 4A, 5A, 4 msecs., Max. 7A, 10A Datasheet Resources Samples 251 Series 251 Series 251 Series Datasheet Resources Samples 253 Series 253 Series 253 Series 2018 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 05/31/18Axial Lead & Cartridge Fuses PICO ll > Very Fast-Acting Fuse > 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 QPL PS Code Rating Rating Resistance Drop 2 2 E 253 Series (A) (Std.) (Mil.) I t (A sec) (V) (Ohms) (V) Only .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 .200 .200 251.200 253.200 125 0.895 0.0048 0.345 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 0.302 0.0598 0.2165 x x x x x .630 .630 251.630 125 0.205 0.08 0.188 x x .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 x x x x x x 300 A 1.25 1.25 2511.25 125 0.100 0.390 0.2 x x x 125VDC 1.50 01.5 25101.5 25301.5 125 0.0823 0.587 0.21 x x x x x 2.00 002. 251002. 253002. 125 0.0473 0.405 0.141 x x x x x x 50A 125VAC 2.50 02.5 25102.5 125 0.0360 0.721 0.132 x x x x x 3.00 003. 251003. 253003. 125 0.0295 1.19 0.131 x x x x x x 3.50 03.5 25103.5 125 0.0240 1.58 0.1205 x x x x 4.00 004. 251004. 253004. 125 0.0204 2.45 0.114 x x x x x x 5.00 005. 251005. 253005. 125 0.0158 4.14 0.11 x x x x x x 7.00 007. 251007. 253007. 125 0.0107 10.4 0.102 x x x x 10.0 010. 251010. 253010. 125 0.0072 25.5 0.1 x x x x 12.0 012. 251012. 32 300A 32VDC0.0059 45.2 0.0878 x x & 50A 32VAC 15.0 015. 251015. 253015. 32 0.00446 68.8 0.071 x x x Note: Higher ampere ratings are available. Please contact Littelfuse Technical Support or your Littelfuse products representative for assistance. 2018 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/31/18