f e a t u r e s * p l a s t i c p a c k a g e h a s u n d e r w r i t e r s l a b o r a t o r y f l a m m a b i l i t y c l a s s i f i c a t i o n 9 4 v - 0 * f o r s u r f a c e m o u n t e d a p p l i c a t i o n s * l o w p r o f i l e p a c k a g e * b u i l t - i n s t r a i n r e l i e f * m e t a l s i l i c o n j u n c t i o n , m a j o r i t y c a r r i e r c o n d u c t i o n * l o w p o w e r l o s s , h i g h e f f i c i e n c y * h i g h c u r r e n t c a p a b i l i t y , l o w f o r w a r d v o l t a g e d r o p * h i g h s u r g e c a p a b i l i t y * f o r u s e i n l o w v o l t a g e h i g h f r e q u e n c y i n v e r t e r s , f r e e w h e e l i n g , a n d p o l a r i t y p r o t e c t i o n a p p l i c a t i o n s * h i g h t e m p e r a t u r e s o l d e r i n g g u a r a n t e e d : 2 6 0 o c / 1 0 s e c o n d s a t t e r m i n a l s c a s e : j e d e c s m a-s molded plastic t e r m i n a l s : s o l d e r p l a t e d , s o l d e r a b l e p e r m i l - s t d - 7 5 0 , m e t h o d 2 0 2 6 m e c h a n i c a l d a t a m a x i m u m r a t i n g s a n d e l e c t r i c a l c h a r a c t e r i s t i c s r a t i n g s a t 2 5 o c a m b i e n t t e m p e r a t u r e u n l e s s o t h e r w i s e s p e c i f i e d . s i n g l e p h a s e , h a l f w a v e , 6 0 h z , r e s i s t i v e o r i n d u c t i v e l o a d . f o r c a p a c i t i v e l o a d , d e r a t e c u r r e n t b y 2 0 % . SSM34LASPT c h e n m k o e n t e r p r i s e c o . , l t d s u r f a c e m o u n t s c h o t t k y b a r r i e r r e c t i f i e r v o l t a g e r a n g e 40 volts current 3.0 amperes e l e c t r i c a l c h a r a c t e r i s t i c s ( a t t a = 2 5 o c u n l e s s o t h e r w i s e n o t e d ) n o t e s : 2 0 04-08 maximum average reverse current at c h a r a c t e r i s t i c s s y m b o l u n i t s 0 . 3 8 @ t a = 2 5 o c @ t a = 1 0 0 o c 1 . 2 5 0 m a m p s m a m p s v o l t s m a x i m u m i n s t a n t a n e o u s f o r w a r d v o l t a g e a t m a x i m u m r a t i n g e s ( a t t a = 2 5 o c u n l e s s o t h e r w i s e n o t e d ) r a t i n g s m a x i m u m r e c u r r e n t p e a k r e v e r s e v o l t a g e m a x i m u m r m s v o l t a g e m a x i m u m d c b l o c k i n g v o l t a g e m a x i m u m a v e r a g e f o r w a r d r e c t i f i e d c u r r e n t p e a k f o r w a r d s u r g e c u r r e n t 8 . 3 m s s i n g l e h a l f s i n e - w a v e s u p e r i m p o s e d o n r a t e d l o a d ( j e d e c m e t h o d ) t y p i c a l j u n c t i o n c a p a c i t a n c e ( n o t e 2 ) t y p i c a l t h e r m a l r e s i s t a n c e ( n o t e 1 ) o p e r a t i n g a n d s t o r a g e t e m p e r a t u r e r a n g e s y m b o l v r r m v r m s v d c i o c j v f i r t j , t s t g i f s m s s m 3 4 l as s s m 3 4 l as u n i t s v o l t s v o l t s v o l t s a m p s 3 . 0 80 3 0 0 1 8 - 6 5 t o + 1 2 5 a m p s p f o c / w o c 40 28 20 r j l 1 . t h e r m a l r e s i s t a n c e ( j u n c t i o n t o l e a d ) : p c b o a r d m o u n t e d o n 0 . 3 1 x 0 . 3 1 " ( 8 x 8 m m ) c o p p e r p a d a r e a . 2 . m e a s u r e d a t 1 . 0 m h z a n d a p p l i e d r e v e r s e v o l t a g e o f 4 . 0 v o l t s . vr=20v i f =3a sma-s sma-s dimensions in millimeters - 0.2 3.5 + 0.2 - 0.2 0.5 + 0.02 - 0.02 0.975 4.5 + 0.2 - 0.2 1.08 + 0.02 - 0.02 - 0.2 + 0.2 1.4 0.2 + 0.02 - 0.02 + 0.2 2.6 - 0.1 + 0.1
rating characteristic curves ( SSM34LASPT ) f i g . 1 - t y p i c a l f o r w a r d c u r r e n t d e r a t i n g c u r v e f i g . 2 - t y p i c a l i n s t a n t a n e o u s f o r w a r d c h a r a c t e r i s t i c s f i g . 3 - t y p i c a l r e v e r s e c h a r a c t e r i s t i c s f i g . 5 - t y p i c a l j u n c t i o n c a p a c i t a n c e a v e r a g e f o r w a r d c u r r e n t , ( a ) j u n c t i o n c a p a c i t a n c e , ( p f ) r e v e r s e v o l t a g e , ( v ) p e r c e n t o f r a t e d p e a k r e v e r s e v o l t a g e , ( % ) l e a d t e m p e r a t u r e , ( o c ) i n s t a n t a n e o u s f o r w a r d v o l t a g e , ( v ) i n s t a n t a n e o u s r e v e r s e c u r r e n t , ( m a ) i n s t a n t a n e o u s f o r w a r d c u r r e n t , ( a ) 4 . 0 2 0 1 0 1 . 0 0 . 1 1 0 0 0 1 0 0 1 0 1 . 0 0 . 1 . 0 1 3 . 0 2 . 0 1 . 0 0 0 1 0 0 1 0 0 0 5 0 0 0 . 1 . 4 1 . 0 4 1 0 4 0 8 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 1 7 5 0 . 1 . 9 . 2 . 6 . 3 . 8 . 7 . 4 1 . 0 . 5 t j = 2 5 o c f i g . 4 - m a x i m u m n o n - r e p e t i v e f o r w a r d s u r g e c u r r e n t p e a k f o r w a r d s u r g e c u r r e t n ( a ) n u m b e r o f c y c l e s a t 6 0 h z 0 2 0 4 0 6 0 8 0 1 0 0 1 0 0 1 2 4 6 8 1 0 2 0 4 0 8 0 8 . 3 m s s i n g l e h a l f s i n e - w a v e ( j e d e c m e t h o d ) s i n g l e h a l f w a v e 6 0 h z r e s i s t i v e o r i n d u c t i v e l o a d t j = 2 5 o c p u l s e w i d t h = 3 0 0 u s 1 % d u t y c y c l e t j = 1 0 0 o c t j = 2 5 o c
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