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| 207 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 263 series please refer to www.littelfuse.com/series/263.html for current information. pico ? ll > very fast-acting > 263 series 263 series 263 series, pico ? ii 250 volt, very fast-acting fuse description the pico ? ii 263 series fuse is a specially designed axial leaded fuse that achieves a 250v rating in a small package. agency approvals agency agency file number ampere range e10480 62ma - 5a ps e jet 1896-31007-1001 1a - 5a lr 29862 125ma - 5a features electrical characteristics t 7 s b u j o h t 7 f s z g b t u o b d u j o h t 4 n b m m t j [ f t 8 j e f s b o h f p g d v s s f o u s b u j o h b w b j m b c m f n " u p 5a) t 3 p ) 4 d p n q m j b o u ) b m p h f o g s f f t 8 j e f p q f s b u j o h temperature range t - p x u f n q f s b u v s f de-rating % of ampere rating opening time 100% ) p v s t
min. 200% 4 f d p o e
max. 300% 4 f d p o e
max. applications ampere rating (a) amp code max voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) nom voltage drop (mv) agency approvals ps e 0.062 .062 250 50 amperes at 250 vac pse: 100 amperes at 125 vac. 5.50 0.000192 0.74 x 0.125 .125 250 1.75 0.00251 0.3 x x 0.250 .250 250 0.715 0.0165 0.235 x x 0.375 .375 250 0.391 0.0444 0.195 x x 0.500 .500 250 0.332 0.084 0.302 x x 0.750 .750 250 0.150 0.0411 0.176 x x 1.00 001. 250 0.105 0.087 0.165 x x x 1.50 01.5 250 0.0635 0.398 0.148 x x x 2.00 002. 250 0.0444 0.74 0.137 x x x 2.50 02.5 250 0.0340 1.197 0.128 x x x 3.00 003. 250 0.0274 1.77 0.1225 x x x 3.50 03.5 250 0.0224 2.33 0.1175 x x x 4.00 004. 250 0.0193 3.08 0.1125 x x x 5.00 005. 250 0.0145 5.55 0.1065 x x x electrical characteristics t - j h i u j o h t z t u f n t 1 p x f s t v q q m z t - $ % 1 % 1 5 7 t - $ % n p o j u p s t 0 g ? d f b v u p n b u j p o machines t " v e j p 7 j e f p t z t u f n t . f e j d b m f r v j q n f o u ps e revised: january 19, 2010
introduction to circuit protection introduction to circuit protection transientology 208 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 263 series please refer to www.littelfuse.com/series/263.html for current information. pico ? ll > very fast-acting > 263 series average time current curves 100 10 1 0.1 0.01 0.001 1/16a 0.05 0.1 1 10 100 1/8a 1/4a 3/8a 1/2a 3/4a 1a 1 1/2a 2a 2 1/2a 3a 3 1/2a 4a 5a time in seconds current in amperes temperature rerating curve soldering parameters wave parameter lead-free recommendation preheat: % f q f o e t p o ' m v y " d u j w b u j p o 5 f n q f s b u v s f 5 z q j d b m * o e v t u s z 3 f d p n n f o e b u j p o 5 f n q f s b u v s f . j o j n v n 100 c 5 f n q f s b u v s f . b y j n v n 150 c preheat time: t f d p o e t solder pot temperature: 260 $ . b y j n v n solder dwell time: t f d p o e t recommended hand-solder parameters: 4 p m e f s * s p o 5 f n q f s b u v s f ? $ ? $ ) f b u j o h 5 j n f t f d p o e t n b y note: these devices are not recommended for ir or convection reflow process. recommended process parameters: / p u f % f s b u j o h e f q j d u f e j o u i j t d v s w f j t j o b e e j u j p o u p u i f t u b o e b s e e f s b u j o h p g g p s d p o u j o v p v t p q f s b u j p o 209 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 263 series please refer to www.littelfuse.com/series/263.html for current information. pico ? ll > very fast-acting > 263 series 263 series materials & o d b q t v m b u f e & q p y z $ p b u f e # p e z : 4 p m e f s $ p b u f e $ p q q f s - f b e t 3 p ) 4 d p n q m j b o u 1 s p e v d u 1 v s f 5 j o o d p b u f e $ p q q f s x j s f leads solderability . * - 4 5 % . f u i p e product marking # p e z n b s l j o h d v s s f o u s b u j o h b o e m p h p operating temperature o ? $ u p ? $ shock . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o * ( t q f b l g p s n j m m j t f d p o e t product characteristics vibration . * - 4 5 % . f u i p e o ) [ . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o $ o ) [ b u ( t peak) salt spray . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o # i s t insulation resistance (after opening): . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o " p i n t n j o j n v n b u w p m u t resistance to soldering heat . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o $ t f d b u ? $ thermal shock . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o # o ? $ u p ? $ moisture resistance . * - 4 5 % . f u i p e lead pull force . * - 4 5 % . f u i p e 5 f t u $ p o e j u j p o " x j m m x j u i t u b o e m c axial pull test) f l 3 1/2 a 250 v f l 3 1/2 a 250 v 27.78 (1.094") 27.78 (1.094") 7.11 (.280") 62.7 (2.468") 52.4 (2.062")* 0.64 (.025") 3.94 (.16") max 6.35 (.25") tape 5.0 (.197") 6.35 (.25") tape dimensions packaging packaging option packaging specification quantity quantity & packaging code t1: 52.4mm (2.062) tape and reel eia 296 1 m f b t f s f g f s u p b w b j m b c m f r v b o u j u j f t b c p w f j o i 1 b s u / v n c f s j o h 4 z t u f n w part numbering system 0263 xxxx w r t1 l lead length type of packaging quantity current rating series t1: 52.4mm (2.062)* l - rohs hf - halogen-free r = reel a = ammo pack x = loose pack w = 3000 m = 1000 h = 100 refer to amp code column of electrical characteristics table / p u f t 5 e j n f o t j p o j t e f ? o f e b t u i f m f o h u i p g u i f d p n q p o f o u c f u x f f o u i f u x p u b q f t 5 i f g v m m d p n q p o f o u m f o h u i j t n n introduction to circuit protection introduction to circuit protection transientology 210 ? 2009 littelfuse, inc. specifications are subject to change without notice. |
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