289 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 232 series 520 mm > medium-acting > 232 series please refer to www.littelfuse.com/series/232.html for current information. 232 series 232 series, 5 x 20 mm, medium-acting fuse agency approvals agency agency file number ampere range ps e cartridge certicates: nbk260202-e10480 b nbk290502-e10480 d leaded certicates: nbk290502-e10480 b nbk290502-e10480 f 1a C 5a 6.3a C 10a 1a C 5a 6.3a C 10a certicates: su05001-2015 1a C 10a 1a C 10a features electrical characteristics for series t % f t j h o f e u p + b q b o f t f 4 u b o e b s e + * 4 $ t " w b j m b c m f j o d b s u s j e h f b o e b y j b m m f b e g p s n b u t 3 p ) 4 d p n q m j b o u b o e m f b e g s f f % of ampere rating opening time 130% i p v s
. j o j n v n 160% i p v s
. b y j n v n 200% n j o v u f t
. b y j n v n applications electrical characteristic specications by item amp code amp rating (a) voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) agency approvals ps e 001. 1 125/250
" ! 7 " $ 0.0923 y y y 1.25 1.25 125/250 0.0685 4.11000 y y y 01.6 1.6 125/250 6.96000 y y y 002. 2 125/250 8.25000 y y y 02.5 2.5 125/250 0.0291 y y y 003. 3 125/250 0.0226 y y y 3.15 3.15 125/250 0.0215 21.9500 y y y 004. 4 125/250 y y y 005. 5 125/250 0.0134 y y y 06.3 6.3 125/250 " ! 7 " $ 0.0102 90.41500 y y y 008.* 8 125/250 182.58000 y y y 010.* 10 125/250 0.0059 290.66500 y y y y n n n f e j v n o b d u j o h h m b t t c p e z d b s u s j e h f g v t f e f t j h o f e u p . f u j # 4 u b o e b s e 6 t f e b t t v q q m f n f o u b s z q s p u f d u j p o j o b q q m j b o d f p s v u j m j [ b u j p o f r v j q n f o u u p q s p w j e f j o e j w j e v b m q s p u f d u j p o g p s d p n q p o f o u t p s j o u f s o b m d j s d v j u t ps e description 5 p p s e f s 7 b d s b u f e
q m f b t f b e e q b s u o p t v g g j y * o u f s s v q u j o h 3 b u j o h g p s " " j t " ! 7 b d revised: september 9,2010
introduction to circuit protection introduction to circuit protection transientology 290 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 232 series 520 mm > medium-acting > 232 series please refer to www.littelfuse.com/series/232.html for current information. average time current curves temperature rerating curve 0.001 0.01 0.1 110 100 1000 1 10 100 1000 10000 current in amperes time in seconds 1a 1.25a 1.6a 2a 2.5a 3a 3.15a 4a 6.3a 8a 10a 5a soldering parameters - wave soldering dwell time 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 time (seconds) temperature (c) - measured on bottom side of board cooling time preheat time 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 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 reow process. recommended process parameters:
291 ? 2009 littelfuse, inc. specications are subject to change without notice. axial lead & cartridge fuses 232 series 520 mm > medium-acting > 232 series please refer to www.littelfuse.com/series/232.html for current information. 232 series materials # p e z ( m b t t $ b q / j d l f m o q m b u f e c s b t t - f b e t 5 j o o q m b u f e $ p q q f s terminal strength . * - 4 5 % (
. f u i p e " 5 f t u $ p o e j u j p o " solderability 3 f g f s f o d f * & |