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 * & $
4 u b o e b s e g p s v t f h m p c b m m z . f f u t u i f * & $
4 i f f u t q f d j ? d b u j p o g p s u j n f m b h ' v t f t " c p w f "
g p m m p x u i f t u b o e b s e
t " w b j m b c m f j o $ b s u s j e h f g p s n t 3 p ) 4 d p n q m j b o u b o e m f b e g s f f t - p x j o n b h o f u j d description revised: may 7, 2010
introduction to circuit protection introduction to circuit protection transientology 2 ? 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. average time current curves temperature rerating curve amp code amp rating (a) voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec.) nominal voltage drop at rated current (mv) nominal power dissipation at rated current (w) agency approvals .125 0.125 250 1500a@250vac 13.1240 0.028 2600 1.6 .315 0.315 250 0.9275 1.1 1100 1.6 .500 0.5 250 1.1215 0.3 850 1.6 001 1 250 0.1455 1.6 350 2.5 x 01.6 1.6 250 0.0706 7.168 200 2.5 x 002 2 250 0.0546 10.8 190 2.5 x 02.5 2.5 250 0.0384 25.625 180 2.5 x 3.15 3.15 250 0.0269 51.597 140 4 x 005 5 250 0.0141 70 100 4 x 06.3 6.3 250 0.0107 130.977 100 4 x 008 8 250 0.0089 224 100 4 x 010 10 250 0.0065 355 100 4 x 015 15 250 500a@250vac 0.0031 1305 100 4 x 020 20 250 400a@250vac 0.0024 2792 100 4 x electrical characteristics specication by item ps e 0.001 0.01 0.1 1 10 100 1000 10000 0.01 0.1 1 10 100 1000 time (seconds) amps 285.125 28501.6 285002. 28502.5 2853.15 285005. 28506.3. 285010. 285008. 285015. 285020. 285.315 285.500 285001. -60?c 140 120 100 80 60 40 20 -76?f -40?c -40?f -20?c -4?f 0?c 32?f 20?c 68?f 40?c -104?f 60?c 140?f 80?c 176?f 100?c 212?f 120?c 248?f ambient temperature percent of rating 25?c
3 ? 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 materials body : ceramic $ b q ( p m e 3 i p e j v n q m b u f e c s b t t terminal strength . * - 4 5 % (
. f u i p e "
5 f t u d p o e j u j p o " solderability na product marking $ b q # s b o e m p h p
d v s s f o u b o e w p m u b h f rating $ b q " h f o d z b q q s p w b m n b s l j o h t product characteristics operating temperature C55oc to +125oc thermal shock . * - 4 5 % (
. f u i p e (
5 f t u $ p o e j u j p o # d z d m f t o ? $ u p ? $
vibration . * - 4 5 % (
. f u i p e " humidity . * - 4 5 % (
. f u i p e #
5 f t u d p o e j u j p o " ) j h i 3 )
b o e f m f w b u f e u f n q ? $
g p s i p v s t salt spray . * - 4 5 % (
. f u i p e &
5 f t u d p o e j u j p o # dimensions packaging packaging option packaging specication quantity quantity & packaging code taping width 285 series # v m l n/a 100 ) 9 n/a # v m l n/a 1000 . 9 n/a part numbering system 0285. 125 xp/xrp to 0285 020 xp/xrp 20 + 0.5 5.1 + 0.6 5.2 + 0.1 -0.2 5.1 + 0.6 all dimensions in mm 028 5 xxxx m x (r) p lead free option codes package code quantity code current rating code series blank = gold-plated caps r = rhodium-plated caps x = filler m = 1000 h = 100 refer to amp code column of electrical characteristics table
introduction to circuit protection introduction to circuit protection transientology 4 ? 2009 littelfuse, inc. specications are subject to change without notice.
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