19 revision: february 19, 2008 surface mount fuses ?2008 littelfuse, inc. speci?cations are subject to change without notice. please refer to www.littelfuse.com for the most current information thin film >1206 size > slo blo ? > 430 series 430 series 430 series fuse description agency approvals agency agency file number ampere range ? e10480 500ma - 3a ? lr29862 500ma - 3a electrical characteristics for series features t ' p s 3 p ) 4 d p n q m j b o u b o e - f b e ' s f f e f t j h o t v t f t f s j f t t 5 j n f e f m b z g f b u v s f x j u i t u b o e t i j h i j o s v t i d v s s f o u t b o e q s f w f o u t o v j t b o d f p q f o j o h t t 1 b d l b h f j t w j t v b m m z e j t u j o d u g s p n g b t u b d u j o h w f s t j p o g p s f b t z j e f o u j m d b u j p o t 5 p q t j e f n b s l j o h b m m p x t w j t v b m w f s j m d b u j p o p g b n q f s b h f s b u j o h applications ? ? % of ampere rating opening time at 25 o c 100% i p v s t
. j o j n v n 200% t f d
. j o t f d
. b y 300% t f d
. j o t f d
. b y 800% t f d
. j o t f d
. b y ampere rating (a) amp code max voltage rating (v) interrupting rating nominal cold resistance (ohms) nominal melting i 2 t (a 2 sec) agency approvals ? ? 63 b n q f s f t b u vac/vdc y y 63 y y 63 y y 63 b n q f s f t b u vac/vdc y y 32 b n q f s f t b u vac/vdc y y electrical speci?cations by item . f b t v s f e b u p g s b u f e d v s s f o u
? $ . f b t v s f e b u s b u f e w p m u b h f 5 i f t f s j f t u j n f m b h 4 m p # m p
t v s g b d f n p v o u g v t f t f s j f t j t b t n b m m t j [ f
u i j o m m n e f w j d f e f t j h o f e g p s t f d p o e b s z q s p u f d u j p o p g d j s d v j u t v t f e j o t q b d f d p o t u s b j o f e b q q m j d b u j p o t t v d i b t i b o e i f m e q p s u b c m f f m f d u s p o j d e f w j d f t ' p s 3 p ) 4 d p n q m j b o u b o e m f b e g s f f e f t j h o
q m f b t f s f g f s u p u i f - j u u f m g v t f t f s j f t u i j o m m n g v t f t $ f m m q i p o f t t # b u u f s z q b d l t t % j h j u b m d b n f s b t t % 7 % q m b z f s t t ) b s e e j t l e s j w f t 4 f d p o e b s z q s p u f d u j p o g p s t q b d f d p o t u s b j o f e b q q m j d b u j p o t t v d i b t
20 revision: february 19, 2008 surface mount fuses ?2008 littelfuse, inc. speci?cations are subject to change without notice. please refer to www.littelfuse.com for the most current information thin film > 1206 size > slo blo ? > 430 series 430 series average time current curves time in seconds current in amperes 0.01 0.1 0.1 1 1 10 100 10 100 0.001 .5a 1a 1.5a 2a 3a re?ow condition 1 c o ' s f f b t t f n c m z pre heat - temperature min (t s(min) ) 150c - temperature max (t s(max) ) 200c - time (min to max) (t s ) o t f d t average ramp up rate (liquidus temp (t l ) to peak ? $ t f d p o e n b y t s(max) to t l - ramp-up rate ? $ t f d p o e n b y re?ow - temperature (t l ) (liquidus) ? $ - temperature (t l ) o t f d p o e t peak temperature (t p ) 250 +0/-5 c time within 5c of actual peak temperature (t p ) o t f d p o e t ramp-down rate ? $ t f d p o e n b y time 25c to peak temperature (t p ) n j o v u f t . b y do not exceed 260c soldering parameters - wave soldering temperature rerating curve
21 revision: february 19, 2008 surface mount fuses ?2008 littelfuse, inc. speci?cations are subject to change without notice. please refer to www.littelfuse.com for the most current information thin film >1206 size > slo blo ? > 430 series 430 series materials body: & q p y z 4 v c t u s b u f terminations: 5 j o - f b e p w f s / j d l f m p w f s $ p q q f s element cover coat: $ p o g p s n b m $ p b u j o h operating temperature o o $ u p o $ $ p o t v m u u f n q f s b u v s f s f s b u j o h d v s w f d i b s u ' p s p q f s b u j p o b c p w f ? $ d p o u b d u - j u u f m g v t f humidity . * - 4 5 % ' . f u i p e # $ p o e j u j p o % thermal shock 8 j u i t u b o e t d z d m f t p g o o $ u p o c vibration 8 j u i t u b o e t ) [ q f s . * - 4 5 % '
. f u i p e " b o e ) [ b u ( t q f s . * - 4 5 % '
. f u i p e %
$ p o e j u j p o % insulation resistance (after opening) ( s f b u f s u i b o
p i n t resistance to soldering heat 8 j u i t u b o e t t f d p o e t b c p w f o c b o e v q u p o $
n b y j n v n product characteristics 3.18 (.125") 2.03 (.080") ref. 1.52 (.060") 1.52 (.060") 3.81 (.150") 1.14 (.045") .635 (.025") 2.03 (.080") 1.14 (.045") reflow solder r .318 (.013") ref. 0430 .500 wr amp code series quantity code dimensions packaging part numbering system part marking system packaging option packaging speci?cation quantity quantity & packaging code n n 5 b q f b o e 3 f f m & * " 3 4 * & $
q b s u
3000 wr amp code marking code f h k n p
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