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| varistor products ?2012 littelfuse, inc. revision: may 24, 2012 speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/SMOV25S.html for current information. varistor products SMOV25S varistor series thermally protected varistors > SMOV25S series SMOV25S s eries rohs description features t . b y j n v n t j o h m f t v s h f d b q b c j m j u z l "
x b w f t i b q f t / p n j o b m % j t d i b s h f $ v s s f o u 7 b m v f l " t * o u f s n f e j b u f d v s s f o u s b u j o h " " t ? $ u p ? $ p q f s b u j o h u f n q f s b u v s f t 3 f d p h o j [ f e u p 6 - s e f e j u j p o t - f b e ' s f f b o e 3 p ) 4 d p n q m j b o u t * o u f h s b u f e n j d s p t x j u d i g p s j o e j d b u j p o d j s d v j u s z e f t j h o agency approvals applications t 4 1 % b q q m j d b u j p o t t " $ % $ e j t u s j c v u j p o t * 5 % b u b d f o u f s t 1 p x f s t v q q m j f s t 5 f m f d p n n v o j d b u j p o agency agency file number & SMOV25S varistor series 5 i f - j u u f m g v t f 4 . 0 7 u i f s n b m m z q s p u f d u f e w b s j t u p s j t b t f m g q s p u f d u f e e f w j d f * u d p o t j t u t p g b n n t r v b s f w b s j t u p s x j u i b o j o u f h s b m u i f s n b m e j t d p o o f d u e f t j h o f e u p p q f o j o u i f f w f o u p g p w f s i f b u j o h e v f u p b c o p s n b m p w f s w p m u b h f b t p v u m j o f e j o 6 - s e f e j u j p o 5 i f 4 . 0 7 i f m q t g b d j m j u b u f 4 1 % n p e v m f d p n q m j b o d f u p 6 - b o e p g g f s t r v j d l u i f s n b m s f t q p o t f e v f u p u i f d m p t f q s p y j n j u z p g u i f j o u f h s b u f e u i f s n b m f m f n f o u u p u i f . 0 7 c p e z 5 i j t d p o m h v s b u j p o b m t p p g g f s t m p x f s j o e v d u b o d f u i b o n p t u e j t d s f f u t p m v u j p o t s f t v m u j o h j o j n q s p w f e d m b n q j o h q f s g p s n b o d f u p g b t u p w f s w p m u b h f u s b o t j f o u t 5 i f e f w j d f i b t b t f q b s b u f n j d s p t x j u d i
x i j d i d b o c f v t f e u p j o e j d b u f u i b u u i f . 0 7 i b t c f f o e j t d p o o f d u f e g s p n u i f d j s d v j u 5 i j t t f q b s b u f t x j u d i n b l f t u i f n p o j u p s j o h d j s d v j u s z d p n q m f u f m z j t p m b u f e g s p n u i f n b j o q p x f s x i j d i f o t v s f t j o e j d b u p s d j s d v j u t b g f u z b o e t j n q m j m f t u i f d v t u p n f s t d j s d v j u e f t j h o
varistor products ?2012 littelfuse, inc. revision: may 24, 2012 speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/SMOV25S.html for current information. varistor products SMOV25S varistor series thermally protected varistors > SMOV25S series absolute maximum ratings t ' p s s b u j o h t p g j o e j w j e v b m n f n c f s t p g b t f s j f t t f f % f w j d f 3 b u j o h t b o e 4 q f d j m d b u j p o t d i b s u SMOV25S series units continous: steady state applied voltage: % $ 7 p m u b h f 3 b o h f 7 . % $ u p 7 " $ 7 p m u b h f 3 b o h f 7 . " $ 3 . 4 u p 7 transient: / p o 3 f q f u j u j w f 4 v s h f $ v s s f o u ? t 8 b w f g p s n * 5 . " / p o 3 f q f u j u j w f & o f s h z $ b q b c j m j u z n t 8 b w f g p s n 8 5 . u p j 0 q f s b u j o h " n c j f o u 5 f n q f s b u v s f 3 b o h f 5 " u p ? $ 4 u p s b h f 5 f n q f s b u v s f 3 b o h f 5 4 5 ( u p ? $ ) j 1 p u & o d b q t v m b u j p o * t p m b u j p o 7 p m u b h f $ b q b c j m j u z 7 * t p m b u j p o 7 p m u b h f $ b q b c j m j u z x i f o u i f u i f s n b m e j t d p o o f d u p q f o t 7 ) p v t j o h * o t v m b u j p o 3 f t j t u b o d f . ? part number maximum rating (75c) speci?cations (25 c) continuous transient varistor voltage at 1ma test current maximum clamping voltage 8/20s typical capacitance f = 1mhz ac volts dc volts energy 2ms peak surge current 8/20s nominal discharge current (in) v . " $ v . % $ w 5 . i 5 . 1 pulse in v / % $ min v / % $ max vc i 1 , c (v) (v) (j) (a) (a) (v) (v) (a) (pf) 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 4 . 0 7 4 . 1 device ratings & speci?cations " w f s b h f q p x f s e j t t j q b u j p o p g u s b o t j f o u t t i p v m e o p u f y d f f e x b u u t 4 b n f s b u j o h t b o e t q f d j m d b u j p o t b q q m z u p / p o * t p m b u f e . p o j u p s f e 4 x j u d i b m u f s o b u j w f e f t j h o 3 f q m b d f . x j u i / j o u i f q b s u o v n c f s f h 4 . 0 7 4 / 1 3 f g f s u p 1 b s u / v n c f s 4 z t u f n b u u i f f o e p g u i j t e p d v n f o u $ " 6 5 * 0 / 4 u s f t t f t b c p w f u i p t f m j t u f e j o i " c t p m v u f . b y j n v n 3 b u j o h t w n b z d b v t f q f s n b o f o u e b n b h f u p u i f e f w j d f 5 i j t j t b t u s f t t p o m z s b u j o h b o e p q f s b u j p o p g u i f e f w j d f b u u i f t f p s b o z p u i f s d p o e j u j p o t b c p w f u i p t f j o e j d b u f e j o u i f p q f s b u j p o b m t f d u j p o t p g u i j t t q f d j m d b u j p o j t o p u j n q m j f e varistor products ?2012 littelfuse, inc. revision: may 24, 2012 speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/SMOV25S.html for current information. varistor products SMOV25S varistor series thermally protected varistors > SMOV25S series SMOV25S s eries 5 z q j d b m u j n f u p p q f o d j s d v j u v o e f s 6 - " c o p s n b m 0 w f s w p m u b h f - j n j u f e $ v s s f o u 5 f t u thermal characteristics 0.1 1 10 11 01 0 0 current (a) 10 a 5 a 2.5 a 0.5 a typical 0 20 40 60 80 100 -4 55 06070 80 90 100 110 120 130 ambient temperature (oc) percent of rated value peak current & energy derating curve 100 1000 10000 10a 100a 1ma 10ma 100ma 1a 10a 100a 1000a 10000a 100000a ??????peak current???????? ??????maximum peak voltage (v)????????? 750 625 550 510 460 440 385 420 11 5 130 140 1 50 17 5 230 250 275 300 320 transient vCi characteristic curves ' p s b q q m j d b u j p o t f y d f f e j o h ? $ b n c j f o u u f n q f s b u v s f u i f q f b l t v s h f d v s s f o u b o e f o f s h z s b u j o h t n v t u c f s f e v d f e b t t i p x o c f m p x figure 1 figure 2 figure 3 varistor products ?2012 littelfuse, inc. revision: may 24, 2012 speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/SMOV25S.html for current information. varistor products SMOV25S varistor series thermally protected varistors > SMOV25S series operating/storage temp. ? $ u p ? $ ? $ u p ? $ passive aging ? $ i p v s t u z q j d b m w p m u b h f d i b o h f humidity aging ? $ 3 ) i p v s t u z q j d b m w p m u b h f d i b o h f thermal shock ? $ u p ? $ u j n f t u z q j d b m w p m u b h f d i b o h f solvent resistance . * - 4 5 % . f u i p e ' moisture sensitivity - f w f m + 4 5 % $ lead material 5 j o o d p b u f e $ p q q f s x j s f soldering characteristics 4 p m e f s b c j m j u z q f s . * - 4 5 % . f u i p e & insulating material $ v s f e n b n f s f u b s e b o u f q p y z q p m z n f s n f f u t 6 - 7 s f r v j s f n f o u t device labeling . b s l f e x j u i - ' w p m u b h f 6 - m p h p t b o e e b u f d p e f physical speci?cations environmental speci?cations SMOV25S pulse rating curve 1 2 1 5 10 2 10 3 1 10 100 1000 10000 100000 10? 100 1000 10000 impulse duration (secs) 10 4 10 5 10 6 figure 4 wave solder pro?le # f d b v t f u i f 4 . 0 7 4 4 f s j f t w b s j t u p s t d p o u b j o b u i f s n b m q s p u f d u j p o e f w j d f d b s f n v t u c f u b l f o x i f o t p m e f s j o h u i f e f w j d f t j o u p q m b d f 5 x p t p m e f s j o h n f u i p e t b s f q p t t j c m f ' j s t u m z i b o e t p m e f s j o h 0 50 100 150 200 250 300 00.511.522.533.54 time(minutes) temperature (oc) maximum wave 240c leadCfree pro?le 0 50 100 150 200 250 300 00.511.522.533.54 time(minutes) temperature (oc) maximum wave 260c non leadCfree pro?le * u j t s f d p n n f o e f e u p i f b u o t j o l u i f m f b e t p g u i f e f w j d f 4 f d p o e m z x b w f o t p m e f s j o h * u j t d s j u j d b m m z j n q p s u b o u u i b u b m m q s f i f b u t u b h f b o e u i f t p m e f s c b u i u f n q f s b u v s f t b s f s j h j e m z d p o u s p m m f e figure 5 figure 6 varistor products ?2012 littelfuse, inc. revision: may 24, 2012 speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/SMOV25S.html for current information. varistor products SMOV25S varistor series thermally protected varistors > SMOV25S series SMOV25S s eries product dimensions 31max 36max 16.5max 20.3 3.50.2 3*0.60.2 0.30.2 1.30.3 9min 10min 1.40.2 0.50.2 8.50.5 2.50.3 4.01.2 13.40.2 lf 9 SMOV25S321mp 114 8 3.50.2 application example thermal disconnect mov s1 on s3 common s2 o ff p1 p2 primary side secondary side galvanic isolation to protected circuit note: example only - connection to s2-s3 and s1-s3 depends on customer indication circuit and can vary. r led * led is off when the product is normal(s1,s3 connected), led is on when the product disconect opens(switch change status; s2,s3 connected as shown by dotted line ). thermal disconnect mov s1 on (normal close) s3 common s2 o ff (normal open) p1 p2 primary side secondary side galvanic isolation lf9 smovxxs321mp 1209 s2 s3 s1 p2 p1 p2 p1 s2 s3 s1 lead con?guration smov switch voltage dc current (amps) contact resistance max. insulation resistance min. dialectric strength 0.5ma/minute 4 x j u d i 7 " n ? . ? 7 " $ switch speci?cation varistor products ?2012 littelfuse, inc. revision: may 24, 2012 speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/SMOV25S.html for current information. varistor products SMOV25S varistor series thermally protected varistors > SMOV25S series rated ac voltage (v m(ac)rms ) C mcov 5 i j t j t u i f n b y j n v n d p o u j o v p v t t j o v t p j e b m 3 . 4 w p m u b h f u i b u n b z c f b q q m j f e 5 i j t w p m u b h f n b z c f b q q m j f e b u b o z u f n q f s b u v s f v q u p u i f n b y j n v n p q f s b u j o h u f n q f s b u v s f p g u i f e f w j d f maximum non-repetitive surge current (i tm ) 5 i j t j t u i f n b y j n v n q f b l d v s s f o u x i j d i n b z c f b q q m j f e g p s b t j o h m f ? t j n q v m t f x j u i s b u f e m j o f w p m u b h f b m t p b q q m j f e x j u i p v u d b v t j o h e f w j d f g b j m v s f 5 i f q v m t f d b o c f b q q m j f e u p u i f e f w j d f j o f j u i f s q p m b s j u z x j u i u i f t b n f d p o m e f o d f g b d u p s nominal discharge current (i n ) 1 f b l w b m v f p g u i f d v s s f o u t f m f d u f e c z u i f n b o v g b d u v s f s u i s p v h i u i f 4 1 % i b w j o h b d v s s f o u x b w f t i b q f p g ? t x i f s f u i f 4 1 % s f n b j o t g v o d u j p o b m b g u f s t v s h f t voltage protection rating (v pr ) " s b u j o h t f m f d u f e g s p n b m j t u p g q s f g f s s f e w b m v f t b t h j w f o j o 6 - b o e b t t j h o f e u p f b d i n p e f p g q s p u f d u j p o 5 i f w b m v f p g 7 1 3 j t e f u f s n j o f e b t u i f o f b s f t u i j h i f t u w b m v f u b l f o g s p n 6 - u p u i f n f b t v s f e m j n j u j o h w p m u b h f e f u f s n j o f e e v s j o h u i f u s b o t j f o u w p m u b h f t v s h f t v q q s f t t j p o u f t u v t j o h u i f d p n c j o b u j p o x b w f h f o f s b u p s b u b t f u u j o h p g l 7 l " ul 1449 " o 6 o e f s x s j u f s t - b c p s b u p s z t u b o e b s e d p w f s j o h u i f t b g f u z s f r v j s f n f o u t g p s 4 v s h f 1 s p u f d u j w f % f w j d f t j o u f o e f e g p s q f s n b o f o u m z d p o o f d u f e d p s e d p o o f d u f e b o e e j s f d u q m v h j o b q q m j d b u j p o t limited current abnormal over-voltage test " o " $ p w f s w p m u b h f d p o e j u j p o b q q m j f e u p b 4 v s h f 1 s p u f d u j w f % f w j d f b d d p s e j o h u p 6 - 4 f d u j p o 5 i f t i p s u d j s d v j u d v s s f o u j t m j n j u f e c z t f s j f t d p o o f d u f e s f t j t u p s t u p " " " " b o e " 5 i f d p o e j u j p o j t n b j o u b j o f e g p s i p v s t p s v o u j m u i f e f w j d f v o e f s u f t u j t e j t d p o o f d u f e g s p n u i f " $ t v q q m z p s u i f d v s s f o u p s u f n q f s b u v s f s f b d i f t f r v j m j c s j v n maximum non-repetitive surge energy (w tm ) 5 i j t j t u i f n b y j n v n s b u f e u s b o t j f o u f o f s h z x i j d i n b z c f e j t t j q b u f e g p s b t j o h m f d v s s f o u q v m t f b u b t q f d j m f e j n q v m t f e v s b u j p o x j u i u i f s b u f e 3 . 4 w p m u b h f b q q m j f e x j u i p v u d b v t j o h e f w j d f g b j m v s f nominal voltage (v n(dc) ) 5 i j t j t u i f w p m u b h f b u x i j d i u i f e f w j d f d i b o h f t g s p n u i f p g g t u b o e c z t u b u f u p u i f p o d m b n q j o h t u b u f b o e f o u f s t j u t d p o e v d u j p o n p e f p g p q f s b u j p o 5 i f w p m u b h f w b m v f j t v t v b m m z d i b s b d u f s j t f e b u u i f n " q p j o u b o e i b t b t q f d j m f e n j o j n v n b o e n b y j n v n w p m u b h f s b o h f term de?nitions part numbering system smov 2 5 s 321 n p device family littelfuse thermally self protected mov disc size (mm) 25mm ceramic shape s: square 115v to 750v v m(ac)rms m:with isolated monitored switch n: non isolated monitored switch design p: lead-free and rohs compliant lf9 smov2 5s321mp 11 48 ul recognized component mark production site code littelfuse mark part number production date dode (year and week) part marking system |
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