surface mount schottky barrier diodes s o d - 1 2 3 o u t l i n e d i m e n s i o n s * l o w f o r w a r d v o l t a g e * v e r y s m a l l c o n d u c t i o n l o s s e s * s c h o t t k y b a r r i e r d i o d e s e n c a p s u l a t e d i n a s o d - 1 2 3 p a c k a g e d e s c r i p t i o n : t h e s e s c h o t t k y b a r r i e r d i o d e s a r e d e s i g n e d f o r h i g h s p e e d s w i t c h i n g a p p l i c a t i o n s c i r c u i t p r o t e c t i o n , a n d v o l t a g e c l a m p i n g , e x t r e m e l y l o w f o r w a r d v o l t a g e r e d u c e s c o n d u c t i o n l o s s , m i n i a t u r e s u r f a c e m o u n t p a c k a g e i s e x c e l l e n t f o r h a n d h e l d a n d p o r t a b l e a p p l i c a t i o n s w h e r e s p a c e i s l i m i t e d . f e a t u r e s : b0520lw s m a l l s i g n a l s c h o t t k y d i o d e s 5 0 0 m a m p e r e s 2 0 v o l t s s o d - 1 2 3 u n i t : m m 1 2 d i m a b c d e h j k m i n 2 . 5 5 1 . 4 0 0 . 9 5 0 . 5 0 - - 3 . 5 5 m a x 2 . 8 5 1 . 8 0 1 . 3 5 0 . 7 0 0 . 1 0 0 . 1 5 3 . 8 5 s o d - 1 2 3 0 . 3 0 r e f p i n 1 . c a t h o d e 2 . a n o d e weitron http://www.weitron.com.tw 1/3 rev.a 12-nov-09
weitron http://www.weitron.com.tw 2/3 rev.a 12-nov-09 d e v i c e m a r k i n g i t e m marking e q i v a l e n t c i r c u i t d i a g r a m 2 1 b 0 5 2 0 l w b 0 5 2 0 l w n o t e : 1 . v a l i d p r o v i t e d t h a t l e a d s a r e k e p t a t a m b i e n t t e m e m p e r a t u r e . 2 . p u l s e t e s t : p u l s e w i d t h = 3 0 0 s , d u t y c y c l e 2 % m a x i m u m r a t i n g s ( t a = 2 5 c u n l e s s o t h e r w i s e n o t e d ) c h a r a c t e r i s t i c r e v e r s e v o l t a g e p e a k r e p e t i t i v e w o r k i n g p e a k r e v e r s e v o l t a g e d c b l o c k i n g v o l t a g e t y p i c a l 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 a m b i e n t n o t e ( 1 ) s y m b o l v r r m v r w m v r v r ( r m s ) i f s m i f ( a v ) b 0 5 2 0 l w u n i t v v a m a k / w o p e r a t i n g & s t o r a g e t e m p e r a t u r e r a n g e t j t s t g - 5 5 t o + 1 2 5 c r j a 2 4 4 n o n - r e p e t i t i v e 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 o n r a t e d l o a d ( j e d e c m e t h o d ) r m s r e v e r s e v o l t a g e a v e r a g e r e c t i f i e d o u t p u t c u r r e n t 2 0 1 4 5 0 0 5 . 5 c h a r a c t e r i s t i c s y m b o l m i n i m u m r e v e r s e b r e a k d o w n v o l t a g e ( 2 ) ( i r = 2 5 0 a ) v ( b r ) r u n i t f o r w a r d v o l t a g e n o t e ( 2 ) i f = 0 . 1 a t j = 2 5 c i f = 0 . 5 a t j = 2 5 c i f = 0 . 1 a t j = 1 0 0 c i f = 0 . 5 a t j = 1 0 0 c v f v v j u n c t i o n c a p a c i t a n c e f = 1 m h z v r = 0 v d c c j 1 7 0 p f r e v e r s e c u r r e n t n o t e ( 2 ) i r 7 5 2 5 0 a d c - - - - 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 ( t a = 2 5 c u n l e s s o t h e r w i s e n o t e d ) m i n m a x 2 0 v r = 1 0 v t j = 2 5 c v r = 2 0 v t j = 2 5 0 . 3 0 0 0 . 3 8 5 0 . 2 2 0 0 . 3 3 0 - - - - c sd, b2
b 0 5 2 0 l w v f , 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 ) f i g , 2 t y p i c a l f o r w a r d c h a r a c t e r i c t i c s 0 0 . 2 0 . 4 0 . 6 0 . 8 1 . 0 1 0 1 . 0 0 . 1 0 . 0 1 t j = 2 5 c p u l s e w i d t h = 3 0 0 s 2 % d u t y c y c l e i f , i n s t a n t n e o u s f w d c u r r e n t ( a ) 1 . 0 0 . 7 5 0 . 5 0 0 . 2 5 0 0 2 5 5 0 7 5 1 0 0 1 2 5 1 5 0 t l , l e a d t e m p e r a t u r e ( c ) f i g , 1 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 i o , a v e r a g e r e c i t i f i e d c u r r e n t ( a ) v r . r e v e r s e v o l t a g e ( v ) f i g , 3 t y p , j u n c t i o n c a p a c i t a n c e v s . r e v e r s e v o l t a g e 0 5 1 0 1 5 2 0 1 0 0 0 1 0 0 1 0 1 . 0 c j , c a p a c i t a n c e ( p f ) weitron http://www.weitron.com.tw 3/3 rev.a 12-nov-09
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