13 revised: december 9, 2015 blf series fast-acting midget / 5ag size fuse agency approvals agency agency file number ampere range e10480 0.5a - 30a ? lr 29862 0.5a - 30a electrical characteristics for series ordering number amp rating (a) max voltage rating (v) interrupting rating nominal cold resistance (ohms) agency approvals blf .500 .500 250 10,000 amperes at rated vac. 1.57 x x blf 001 1 .395 x x blf 01.5 1. 5 .2191 x x blf 002 2 .125 x x blf 02.5 2.5 .0946 x x blf 003 3 .0696 x x blf 004 4 .0432 x x blf 005 5 .0413 x x blf 006 6 .02842 x x blf 6.25 6.25 .02741 x x blf 007 7 .02282 x x blf 008 8 .01664 x x blf 009 9 .01364 x x blf 010 10 . 0117 x x blf 012 12 .00920 x x blf 015 15 .00920 x x blf 020 20 125 .00528 x x blf 025 25 .00378 x x blf 030 30 .00289 x x electrical specifcations by item ? blf fuses offer safe and reliable protection at a low price for its size, type and features. they are suitable for control circuit and instrument protection in dry (little to no humidity) locations. % of ampere rating ampere rating opening time 100% 0-30 until temp stabilizes 135% 0C30 1 hours, maximum 200% 0-30 2 minutes, maximum description pb cartridge and axial lead fuses ?2015 littelfuse, inc. specifcations are subject to change without notice. blf series fast-acting type > blf series please refer to www.littelfuse.com/series/blf.html for current information.
14 revised: december 9, 2015 average time current curves temperature rerating curve dimensions 38.1 (1.50") 10.31 (.406") 1000 100 10 1 0.1 0.01 10 100 1000 0.1 1 time in seconds current in amperes blf s eri e s, (1/2a - 4a) 1/2a 1a 1 1/2 2a 2 1/2a 3a 4a 1000 100 10 1 0.1 0.01 10 100 1000 0.1 1 time in seconds current in amperes blf s eri e s, (5a - 7a) 5a 6 - 1/4a 6a 7a 1000 100 10 1 0.1 0.01 10 100 1000 0.1 1 time in seconds current in amperes blf s eri e s, (8a - 30a) 8a 10a 9a 12a 15a 20a 25a 30a cartridge and axial lead fuses ?2015 littelfuse, inc. specifcations are subject to change without notice. blf series fast-acting type > blf series . please refer to www.littelfuse.com/series/blf.html for current information.
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