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| revision: december 01, 2010, 13:50 ?2010 littelfuse, inc. speci?cations are subject to change without notice. transient voltage suppression diodes 13 surface mount C 400w > p4sma series p4sma series please refer to http://www.littelfuse.com/series/p4sma.html for current information. description agency approvals p4sma series features t ) b m p h f o ' s f f t 3 p ) 4 d p n q m j b o u t ' p s t v s g b d f n p v o u f e b q q m j d b u j p o t u p p q u j n j [ f c p b s e t q b d f t - p x q s p m m f q b d l b h f t # v j m u j o t u s b j o s f m j f g t 5 z q j d b m n b y j n v n u f n q f s b u v s f d p f g m d j f o u v # 3 y 7 # 3 ! ? $ y ? 5 t ( m b t t q b t t j w b u f e d i j q k v o d u j p o t 8 q f b l q v m t f q p x f s d b q b c j m j u z b u ? t x b w f g p s n
s f q f u j u j p o s b u f e v u z d z d m f t t ' b t u s f t q p o t f u j n f u z q j d b m m z m f t t u i b o q t g s p n 7 u p # 7 n j o t & y d f m m f o u d m b n q j o h d b q b c j m j u z t - p x j o d s f n f o u b m t v s h f s f t j t u b o d f t 5 z q j d b m * 3 m f t t u i b o ? " b c p w f 7 t ) j h i 5 f n q f s b u v s f t p m e f s j o h h v b s b o u f f e ? $ t f d p o e t b u u f s n j o b m t t 1 m b t u j d q b d l b h f i b t 6 o e f s x s j u f s t - b c p s b u p s z ' m b n n b c j m j u z 7 0 t . b u u f 5 j o - f b e o g s f f 1 m b u f e applications 5 7 4 e f w j d f t b s f j e f b m g p s u i f q s p u f d u j p o p g * 0 * o u f s g b d f t v cc c v t b o e p u i f s w v m o f s b c m f d j s d v j u t v t f e j o 5 f m f d p n $ p n q v u f s * o e v t u s j b m b o e $ p o t v n f s f m f d u s p o j d b q q m j d b u j p o t 5 i f 1 4 . " t f s j f t j t e f t j h o f e t q f d j m d b m m z u p q s p u f d u t f o t j u j w f f m f d u s p o j d f r v j q n f o u g s p n w p m u b h f u s b o t j f o u t j o e v d f e c z m j h i u o j o h b o e p u i f s u s b o t j f o u w p m u b h f f w f o u t maximum ratings and thermal characteristics (t a =25 o c unless otherwise noted) 1 b s b n f u f s 4 z n c p m 7 b m v f 6 o j u 1 f b l 1 v m t f 1 p x f s % j t t j q b u j p o b u 5 " ? $ c z y ? t x b w f g p s n ' j h / p u f / p u f 1 1 1 . 8 1 p x f s % j t t j q b u j p o p o j o m o j u f i f b u t j o l b u 5 " 0 c 1 . " 7 8 1 f b l ' p s x b s e 4 v s h f $ v s s f o u n t 4 j o h m f ) b m g 4 j o f 8 b w f / p u f * ' 4 . " . b y j n v n * o t u b o u b o f p v t ' p s x b s e 7 p m u b h f b u " g p s 6 o j e j s f d u j p o b m p o m z / p u f v ' 7 v 0 q f s b u j o h + v o d u j p o b o e 4 u p s b h f 5 f n q f s b u v s f 3 b o h f 5 + 5 4 5 ( u p c 5 z q j d b m 5 i f s n b m 3 f t j t u b o d f + v o d u j p o u p - f b e 3 v + - ? $ 8 5 z q j d b m 5 i f s n b m 3 f t j t u b o d f + v o d u j p o u p " n c j f o u 3 v + " ? $ 8 notes: / p o s f q f u j u j w f d v s s f o u q v m t f q f s ' j h b o e e f s b u f e b c p w f 5 " 0 $ q f s ' j h . p v o u f e p o y w y n n d p q q f s q b e u p f b d i u f s n j o b m . f b t v s f e p o n t t j o h m f i b m g t j o f x b w f p s f r v j w b m f o u t r v b s f x b w f g p s v o j e j s f d u j p o b m e f w j d f p o m z e v u z d z d m f q f s n j o v u f n b y j n v n 7 ' 7 g p s 7 # 3 @ 7 b o e 7 ' 7 g p s 7 # 3 @ 7 agency agency file number e230531 rohs p4sma series revision: december 01, 2010, 13:50 ?2010 littelfuse, inc. speci?cations are subject to change without notice. transient voltage suppression diodes 14 surface mount C 400w > p4sma series p4sma series please refer to http://www.littelfuse.com/series/p4sma.html for current information. electrical characteristics part number (uni) part number (bi) marking reverse stand off voltage v r (volts) breakdown voltage v br (volts) @ i t test current i t (ma) maximum clamping voltage v c @ i pp (v) maximum peak pulse current i pp (a) maximum reverse leakage i r @ v r (a) agency approval uni bi min max 1 4 . " " 1 4 . " $ " 7 " 7 $ x 1 4 . " " 1 4 . " $ " 7 " 7v5c x 1 4 . " " 1 4 . " $ " 7 " 7 $ x 1 4 . " " 1 4 . " $ " 7 " 7 $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ 5x 1 4 . " " 1 4 . " $ " " $ 5x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " 22c x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " 27c x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " 33c x 1 4 . " " 1 4 . " $ " " 36c x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " 56c x 1 4 . " " 1 4 . " $ " " 62c x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " 75c x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ x 1 4 . " " 1 4 . " $ " " $ 1 4 . " " 1 4 . " $ " " $ 1 4 . " " 1 4 . " $ " " $ 1 4 . " " 1 4 . " $ " " $ 1 4 . " " 1 4 . " $ " " $ ' p s c j e j s f d u j p o b m u z q f i b w j o h 7 3 p g w p m u t b o e m f t t u i f * 3 m j n j u j t e p v c m f ' p s q b s u t x j u i p v u " u i f 7 # 3 j t ? revision: december 01, 2010, 13:50 ?2010 littelfuse, inc. speci?cations are subject to change without notice. transient voltage suppression diodes 15 surface mount C 400w > p4sma series p4sma series please refer to http://www.littelfuse.com/series/p4sma.html for current information. ratings and characteristic curves (t a =25c unless otherwise noted) 0.1 1 10 0.000001 0.00001 0.0001 0.001 t d -pulse width (sec.) p ppm -peak pulse power (kw) 0.2x0.2" (5.0x5.0mm) copper pad area i ppm - peak pulse current, % i rsm 0 0 5 0 100 1 5 0 1.0 2.0 3.0 4.0 t r =10sec peak value i ppm i ppm 2 t j =2 5 c pulse width(td) is de?ned as the point where the peak current decays to 5 0% of i ppm 10/1000sec. waveform as de?ned by r.e.a t d t-time (ms) half value i ppm ( ) 0 20 40 60 80 100 0 25 50 75 100 125 150 175 t a -ambient temperature (oc) peak pulse power (p pp ) or current (i pp ) derating in percentage % 1 10 100 1000 10000 1.0 10.0 100.0 1000.0 cj (pf) tj=25oc f=1.0mhz vsig=50mvp-p uni-directional v=0v bi-directional v=0v v br - reverse breakdown voltage (v) bi-directional @v r uni-directional @v r 0 25 50 75 100 125 150 175 p m(av) , steady state power dissipation (w) t a - ambient temperature (oc) 3.0 0.6 1.2 1.8 3.6 2.4 0 figure 1 - peak pulse power rating figure 2 - pulse derating curve figure 3 - pulse waveform figure 4 - typical junction capacitance figure 5 - steady state power dissipation derating curve 0 5 10 15 20 25 30 35 40 45 110 10 0 i fsm - peak forward surge current (a) number of cyles at 60 hz figure 6 - maximum non-repetitive forward surge current uni-directional only revision: december 01, 2010, 13:50 ?2010 littelfuse, inc. speci?cations are subject to change without notice. transient voltage suppression diodes 16 surface mount C 400w > p4sma series p4sma series please refer to http://www.littelfuse.com/series/p4sma.html for current information. physical speci?cations weight p v o d f h s b n case + & % & $ % 0 " $ . p m e f e q m b t u j d c p e z p w f s h m b t t q b t t j w b u f e k v o d u j p o polarity $ p m p s c b o e e f o p u f t q p t j u j w f f o e d b u i p e f f y d f q u c j e j s f d u j p o b m terminal . b u u f 5 j o q m b u f e m f b e t 4 p m e f s b c m f q f s + & 4 % # % environmental speci?cations temperature cycle + & 4 % " pressure cooker + & 4 % " high temp. storage + & 4 % " htrb + & 4 % " thermal shock + & 4 % " dimensions soldering parameters temperature (t ) time (t) t s(min) t s(max) t l t p t s preheat t l t p ramp-up critical zone t l to t p ramp-down t 25?c to peak 25?c re?ow condition - f b e o g s f f b t t f n c m z pre heat - temperature min (t s(min) ) ? $ - temperature max (t s(max) ) ? $ - 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) ? $ - time (min to max) (t s ) o t f d p o e t peak temperature (t p ) ? $ 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 ? $ dimensions inches millimeters min max min max " # c % & ' ( ) * + k - do-21 4 ac (sma) cathode band a d e g f h c b i l k j revision: december 01, 2010, 13:50 ?2010 littelfuse, inc. speci?cations are subject to change without notice. transient voltage suppression diodes 17 surface mount C 400w > p4sma series p4sma series please refer to http://www.littelfuse.com/series/p4sma.html for current information. part numbering system voltage bi-directional 5 % voltage tolerance series p 4 sma xxx c a packaging part number component package quantity packaging option packaging speci?cation 1 4 . " y y y 9 9 % 0 " $ 5 b q f 3 f f m o n n w u b q f & * " 4 5 % 3 4 part marking system f xxx marking code littelfuse logo cathode band |
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