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Datasheet File OCR Text: |
211 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 471 series please refer to www.littelfuse.com/series/471.html for current information. pico ? ll > time-lag > 471 series 471 series 471 series, pico ? ii, time-lag fuse description agency approvals agency agency file number ampere range e10480 500ma - 5a lr 29862 500ma - 2.5a ps e jet 1896-31007-1001 1a - 5a features electrical characteristics t . p e f s b u f j o o s v t i x j u i t u b o e 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 t b w b j m b c m f n " u p " t 3 p ) 4 d p n q m j b o u t ) b m p h f o g s f f b w b j m b c m f t 8 j e f p q f s b u j o h u f n q f s b u v s f s b o h f t - p x u f n q f s b u v s f e f s b u j o h applications % of ampere rating opening time 100% ) p v s t min. 200% 4 f d p o e t max. 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 .500 .500 125 b n q f s f t b u 7 " $ b o e 7 % $ 0.189 0.159 xx 1.00 001. 125 0.085 0.722 xxx 1.50 01.5 125 0.054 1.610 xxx 2.00 002. 125 0.039 2.500 xxx 2.50 02.5 125 0.030 4.390 xxx 3.00 003. 125 0.023 6.960 xx 4.00 004. 125 0.012 10.600 xx 5.00 005. 125 0.008 15.400 xx electrical characteristics 5 i f 4 f s j f t 1 * $ 0 ? * * 5 j n f - b h ' v t f j t e f t j h o f e g p s b q q m j d b u j p o t u i b u s f r v j s f n p e f s b u f j o o s v t i x j u i t u b o e b o e j t j o b t q b d f t b w j o h t v c n j o j b u v s f q b d l b h f t ' m b u o q b o f m e j t q m b z 5 7 t - $ % n p o j u p s t - j h i u j o h t z t u f n t . f e j d b m f r v j q n f o u t * o e v t u s j b m f r v j q n f o u ps e revised: july 27, 2011 introduction to circuit protection introduction to circuit protection transientology 212 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 471 series please refer to www.littelfuse.com/series/471.html for current information. pico ? ll > time-lag > 471 series average time current curves 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 $ 5 f n q f s b u v s f . b y j n v n 150 $ 1 s f i f b u 5 j n f 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: 100 10 1 0.1 0.01 0.001 0.1 1 10 100 1000 0.5a 1a 1.5a 2a 2.5a 3a 4a 5a time in seconds current in amperes / 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 213 ? 2009 littelfuse, inc. specifications are subject to change without notice. axial lead & cartridge fuses 471 series please refer to www.littelfuse.com/series/471.html for current information. pico ? ll > time-lag > 471 series 471 series materials & |