1 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 285 series 520 mm > audio & medical > 285 series please refer to www.littelfuse.com/series/285.html for current information. 285 series features applications agency approvals agency agency file number ampere range ps e nbk080205-e10480a nbk250702-e10480e nbk100408-jp1021a 1a C 5a 6.3a & 15a 20a electrical characteristics for series % of ampere rating ampere rating opening time 150% 0.125a - 0.5a 60 minutes, minimum 1a - 3.15a 60 minutes, minimum 5a - 6.3a 60 minutes, minimum 8a - 20a 30 minutes, minimum 210% 0.125a - 0.5a 30 minutes, maximum 1a - 3.15a 30 minutes, maximum 5a - 6.3a 30 minutes, maximum 8a - 20a 30 minutes, maximum 275% 0.125a - 0.5a 250 ms. min.; 80 sec. max. 1a - 3.15a 750 ms. min.; 80 sec. max. 5a - 6.3a 750 ms. min.; 80 sec. max. 8a - 20a 750 ms. min.; 80 sec. max. 400% 0.125a - 0.5a 50 ms. min.; 5 sec. max. 1a - 3.15a 95 ms. min.; 5 sec. max. 5a - 6.3a 150 ms. min.; 5 sec. max. 8a - 20a 150 ms. min.; 5 sec. max. 1000% 0.125a - 0.5a 50 ms. min.; 150 ms. max. 1a - 3.15a 10 ms. min.; 150 ms. max. 5a - 6.3a 10 ms. min.; 150 ms. max. 8a - 20a 10 ms. min.; 150 ms. max. used as supplementary protection in appliance or utilization equipment in audio and medical equipment 285 series, 5 x 20 mm, audio & medical fuse ps e 5x20mm fuse with gold or rhodium-plated caps and colourful ceramic body, designed to iec standard t % f t j h f e u p * o u f s o b u j p o b m * & |