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 z e n e r s i l i c o n p l a n a r p o w e r z e n e r d i o d e s v o l t a g e r a n g e 2 . 4 v t o 9 1 v 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 0 2 - 1 0 m a x . 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 i f = 1 0 m a 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 5 5 6 0 . 9 v o l t s o c / w 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 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 z e n e r c u r r e n t ( s e e t a b l e " c h a r a c t e r i s t i c s " ) m a x . s t e a d y s t a t e p o w e r d i s s i p a t i o n @ t a = 2 5 o c m a x . o p e r a t i n g t e m p e r a t u r e r a n g e 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 - p d t j t s t g r j a v f v a l u e m a x . - - t y p . - - m i n . u n i t s - m w - 225 1 . t h e j e d e c t y p e n u m b e r s l i s t d h a v e a s t a n d a e r d t o l e r a n c e o n t h e n o r m a l z e n e r v o l t a g e o f + 1 0 % , s u f f i x b = + 5 % . 2 . t h e z e n e r i m p e d a n c e i s d e r i v e d f r o m 1 k h z a c v o l t a g e , w h i c h r e s u l t s w h e n a n a c c u r r e n t h a v i n g a n r m s v a l u e e q u a l t o 1 0 % o f d c z e n e r c u r r e n t ( i z t o r i z k ) i s s u p e r i m p o s e d o n i z t o r i z k . z e n e r i m p e d a n c e i s m e a s u r e d a t t w o p o i n t s t o i n s u r e a s h a r p k n e e o n t h e b r e a k d o w n c u r v e t o e l i m i n a t e u n s t a b l e u n i t s . 3 . v a l i d p r o v i d e d t h a t e l e c t r o d e s a t d i s t a n c e o f 1 0 m m f r o m c a s e a r e k e p t a m b i e n t t e m p e r a t u r e . 4 . m e a s u r e d u n d e r t h e r m a l e q u i l i b r i u m a n d d c t e s t c o n d i t i o n s . 5 . t h e r a t i n g l i s t d i n t h e 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 b l e i s m a x i m u m p e a k , n o n - r e p e t i t i v e , r e v e r s e s u r g e c u r r e n t o f 1 / 2 s q u a r e w a v e o r e q u i v a l e n t s i n e w a v e p u l s e o f 1 / 1 2 0 s e c o n d d u r a t i o n s u p e r i m p o s e d o n t h e t e s t c u r r e n t , i z t , p e r j e d e c r e g i s t r a t i o n . - 6 5 t o + 1 5 0 - 6 5 t o + 1 5 0 o c o c mmsz5221bpt t h r u mmsz5270bpt s c - 7 9 / s o d - 5 2 3 f e a t u r e * s m a l l s u r f a c e m o u n t i n g t y p e . ( s c - 7 9 / s o d - 5 2 3 ) * h i g h t e m p e r a t u r e s o l d e r i n g t y p e . * e s d r a t i n g o f c l a s s 3 ( > 1 6 k v ) p e r h u m a n b o d y m o d e l . * s i l i c o n p l a n a r z e n e r d i o d e s . * s i l c o n - o x i d e p a s s i v a t e d j u n c t i o n . * l o w t e m p e r a t u r e c o e f f i c i e n t v o l t a g e * 5 0 0 m w r a t i n g o n f r - 4 o r f r - 5 b o a r d m e c h a n i c a l * s c - 7 9 / s o d - 5 2 3 p a c k a g i n g . * c a t h o d e i n d i c a t e d b y p o l a r i t y b a n d . * m o u n t i n g p o s i t i o n : a n y . c i r c u i t (1) (2) cathode (1) (2) dimensions in millimeters sc-79/sod-523 1.5~1.7 1.1~1.3 0.75~0.85 0.5~0.77 0.07~0.17 0.25~0.35
electrical characteristics ( mmsz5221bpt thru mmsz5270bpt ) t e s t m a x i m u m z e n e r i m p e d a n c e m a x i m u m t y p e m a x n o m m i n v o l t s v o l t s v o l t s m a x i m u m z e n e r v o l t a g e c u r r e n t r e v e r s e l e a k a g e c u r r e n t t e m p e r a t u r e c o e f f i c i e n t r e g u l a t o r v z ( v ) @ i z t c u r r e n t z z t a t a t a t a t i z t z z k i z k i r a t v r t a = 2 5 o c t a = 5 0 o c i z t ( m a ) ( ) ( ) ( m a ) ( u a ) ( v ) v z ( % / o c ) i z m ( m a ) t y p e 1 9 0 1 8 2 1 6 8 1 6 2 1 5 2 1 3 8 1 2 6 1 1 5 1 0 6 9 7 8 9 8 1 7 6 7 3 6 7 6 1 5 5 5 2 5 0 4 5 4 1 3 8 3 5 3 2 3 0 2 8 2 7 2 5 2 4 2 3 2 1 1 9 . 1 1 8 . 2 1 6 . 8 1 6 . 2 1 5 . 1 1 3 . 8 - 0 . 0 8 5 - 0 . 0 8 5 - 0 . 0 8 0 - 0 . 0 8 0 - 0 . 0 7 5 - 0 . 0 7 0 - 0 . 0 6 5 - 0 . 0 6 0 - 0 . 0 5 5 + 0 . 0 3 0 + 0 . 0 3 0 + 0 . 0 3 8 + 0 . 0 3 8 + 0 . 0 4 5 + 0 . 0 5 0 + 0 . 0 5 8 + 0 . 0 6 2 + 0 . 0 6 5 + 0 . 0 6 8 + 0 . 0 7 5 + 0 . 0 7 6 + 0 . 0 7 7 + 0 . 0 7 9 + 0 . 0 8 2 + 0 . 0 8 2 + 0 . 0 8 3 + 0 . 0 8 4 + 0 . 0 8 5 + 0 . 0 8 6 + 0 . 0 8 6 + 0 . 0 8 7 + 0 . 0 8 8 + 0 . 0 8 9 + 0 . 0 9 0 + 0 . 0 9 1 + 0 . 0 9 1 + 0 . 0 9 2 1 1 1 1 1 1 1 1 1 1.5 2 3 3 4 5.2 6 6.5 6.5 7 8 8.4 9.1 9.9 1 0 1 1 1 2 1 3 1 4 1 4 1 6 1 7 1 8 1 9 2 1 2 1 2 3 2 5 1 0 0 1 0 0 7 5 7 5 5 0 2 5 1 5 1 0 5 3 2 5 5 1 1 0.5 0.5 0.5 0.1 0.1 0.1 0.1 0.1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 1 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 1800 1800 1900 1900 2000 2200 2300 2400 2500 2200 2050 1800 1800 1300 750 600 600 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 6 0 0 7 0 0 100 100 100 100 95 95 90 90 88 70 50 25 25 10 8 7 7 7 10 15 18 22 25 25 32 36 36 42 42 48 55 62 62 70 4 4 78 88 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2 . 2 8 0 2 . 3 7 5 2 . 5 6 5 2 . 6 6 0 2 . 8 5 0 3 . 1 3 5 3 . 4 2 0 3 . 7 0 5 4 . 0 8 5 4 . 4 6 5 4 . 8 4 5 5 . 3 2 0 5 . 7 0 0 5 . 8 9 0 6 . 4 6 0 7 . 1 2 5 7 . 7 9 0 8 . 2 6 5 8 . 6 4 5 9 . 5 0 0 1 0 . 4 5 1 1 . 4 0 1 2 . 3 5 1 3 . 3 0 1 4 . 2 5 1 5 . 2 0 1 6 . 1 5 1 7 . 1 0 1 8 . 0 5 1 9 . 0 0 2 0 . 9 0 2 2 . 8 0 2 3 . 7 5 2 5 . 6 5 2 6 . 6 0 2 8 . 5 0 3 1 . 3 5 2 . 4 2 . 5 2 . 7 2 . 8 3 . 0 3 . 3 3 . 6 3 . 9 4 . 3 4 . 7 5 . 1 5 . 6 6 . 0 6 . 2 6 . 8 7 . 5 8 . 2 8 . 7 9 . 1 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 2 2 4 2 5 2 7 2 8 3 0 3 3 2 . 5 2 0 2 . 6 2 5 2 . 8 3 5 2 . 9 4 0 3 . 1 5 0 3 . 4 6 5 3 . 7 8 0 4 . 0 9 5 4 . 5 1 5 4 . 9 3 5 5 . 3 5 5 5 . 8 8 0 6 . 3 0 0 6 . 5 1 0 7 . 1 4 0 7 . 8 7 5 8 . 6 1 0 9 . 1 3 5 9 . 5 5 5 1 0 . 5 0 1 1 . 5 5 1 2 . 6 0 1 3 . 6 5 1 4 . 7 0 1 5 . 7 5 1 6 . 8 0 1 7 . 8 5 1 8 . 9 0 1 9 . 9 5 2 1 . 0 0 2 3 . 1 0 2 5 . 2 0 2 6 . 2 5 2 8 . 3 5 2 9 . 4 0 3 1 . 5 0 3 4 . 6 5 mmsz5221bpt mmsz5222bpt mmsz5223bpt mmsz5224bpt mmsz5225bpt mmsz5226bpt mmsz5227bpt mmsz5228bpt mmsz5229bpt mmsz5230bpt mmsz5231bpt mmsz5232bpt mmsz5233bpt mmsz5234bpt mmsz5235bpt mmsz5236bpt mmsz5237bpt mmsz5238bpt mmsz5239bpt mmsz5240bpt mmsz5241bpt mmsz5242bpt mmsz5243bpt mmsz5244bpt mmsz5245bpt mmsz5246bpt mmsz5247bpt mmsz5248bpt mmsz5249bpt mmsz5250bpt mmsz5251bpt mmsz5252bpt mmsz5253bpt mmsz5254bpt mmsz5255bpt mmsz5256bpt mmsz5257bpt
electrical characteristics ( mmsz5221bpt thru mmsz5270bpt ) t e s t m a x i m u m z e n e r i m p e d a n c e m a x i m u m t y p e m a x n o m m i n v o l t s v o l t s v o l t s m a x i m u m z e n e r v o l t a g e c u r r e n t r e v e r s e l e a k a g e c u r r e n t t e m p e r a t u r e c o e f f i c i e n t r e g u l a t o r v z ( v ) @ i z t c u r r e n t z z t a t a t a t a t i z t z z k i z k i r a t v r t a = 2 5 o c t a = 5 0 o c i z t ( m a ) ( ) ( ) ( m a ) ( u a ) ( v ) v z ( % / o c ) i z m ( m a ) t y p e 1 3 . 8 1 2 . 6 1 1 . 6 1 0 . 6 + 0 . 0 9 3 + 0 . 0 9 4 + 0 . 0 9 5 + 0 . 0 9 5 2 7 3 0 3 3 3 6 0 . 1 0 . 1 0 . 1 0 . 1 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 7 0 0 8 0 0 9 0 0 1 0 0 0 95 130 9 3 1 0 5 5 5 3 . 0 2 . 7 3 4 . 2 0 3 7 . 0 5 4 0 . 8 5 4 4 . 6 5 3 6 3 9 4 3 4 7 3 7 . 8 0 4 0 . 9 5 4 5 . 1 5 4 9 . 3 5 mmsz5258bpt mmsz5259bpt mmsz5260bpt mmsz5261bpt 9 . 7 8 . 9 1 1 . 6 - + 0 . 0 9 6 + 0 . 0 9 6 + 0 . 0 9 7 + 0 . 0 9 7 3 9 4 3 4 6 4 7 0 . 1 0 . 1 0 . 1 0 . 1 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 1 1 0 0 1 3 0 0 1 4 0 0 1 4 0 0 1 2 5 1 5 0 1 7 0 1 8 5 2 . 5 2 . 2 2 . 1 2 . 0 4 8 . 4 5 5 3 . 2 0 5 7 . 0 0 5 8 . 9 0 5 1 5 6 6 0 6 2 5 3 . 5 5 5 8 . 8 0 6 3 . 0 0 6 5 . 1 0 mmsz5262bpt mmsz5263bpt mmsz5264bpt mmsz5265bpt - + 0 . 0 9 7 5 2 0 . 1 0 . 2 5 1 6 0 0 2 3 0 1 . 8 6 4 . 6 0 6 8 7 1 . 4 0 mmsz5266bpt - - - - + 0 . 0 9 8 + 0 . 0 9 8 + 0 . 0 9 9 + 0 . 0 9 9 5 6 6 2 6 8 6 9 0 . 1 0 . 1 0 . 1 0 . 1 0 . 2 5 0 . 2 5 0 . 2 5 0 . 2 5 1 7 0 0 2 0 0 0 2 2 0 0 2 3 0 0 2 7 0 3 3 0 3 7 0 4 0 0 1 . 7 1 . 5 1 . 4 1 . 4 7 1 . 2 5 7 7 . 9 0 8 2 . 6 5 8 6 . 4 5 7 5 8 2 8 7 9 1 7 8 . 7 5 8 6 . 1 0 9 1 . 3 5 9 5 . 5 5 mmsz5267bpt mmsz5268bpt MMSZ5269BPT mmsz5270bpt
rating characteristic curves ( mmsz5221bpt thru mmsz5270bpt ) f i g . 2 - t e m p e r a t u r e c o e f f i c i e n t s ) ( t e m p e r a t u r e r a n g e 5 5 o c t o + 1 5 0 o c ) f i g . 1 - t e m p e r a t u r e c o e f f i c i e n t s ) ( t e m p e r a t u r e r a n g e 5 5 o c t o + 1 5 0 o c ) f i g . 3 - e f f e c t o f z e n e r v o l t a g e o n z e n e r i m p e d a n c e f i g . 4 - t y p i c a l f o r w a r d v o l t a g e - 3 - 2 - 1 0 1 2 3 4 5 6 7 8 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 0 1 0 1 1 0 1 0 0 1 0 0 1 0 1 1 0 0 0 1 0 0 1 0 1 1 . 2 1 . 1 1 . 0 0 . 9 0 . 8 0 . 7 0 . 6 0 . 5 0 . 4 1 0 0 0 1 0 0 1 0 1 7 5 v ( m m s z 5 2 6 7 bpt) 9 1 v ( m m s z 5 2 7 0 bpt) z z t d y n a m i c i m p e d a n c e ( ) i f , f o r w a r d c u r r e n t ( m a ) v z , t e m p e r a t u r e c o e f f i c i e n t ( m v / o c ) v z , t e m p e r a t u r e c o e f f i c i e n t ( m v / o c ) v z n o m i n a l z e n e r v o l t a g e ( v ) v z n o m i n a l z e n e r v o l t a g e ( v ) t y p i c a l t c v a l u e s f o r m m s z 5 2 2 1 bpt series v z n o m i n a l z e n e r v o l t a g e ( v ) v f f o r w a r d v o l t a r g e ( v ) v z @ i z t t y i c a l t c v a l u e s f o r m m s z 5 2 2 1 bpt series v z @ i z t i z = 1 m a 5 m a 2 0 m a t j = 2 5 o c i z ( a c ) = 0 . 1 i z ( d c ) f = 1 k h z 1 5 0 o c 7 5 o c 2 5 o c 0 o c
f i g . 6 - t y p i c a l l e a k a g e c u r r e n t f i g . 5 - t y p i c a l c a p a c i t a n c e f i g . 7 - z e n e r v o l t a g e v e r s u s z e n e r c u r r e n t ( v z u p t o 1 2 v ) f i g . 8 - z e n e r v o l t a g e v e r s u s z e n e r c u r r e n t ( 1 2 v t o 9 1 v ) i z z e n e r c u r r e n t ( m a ) i z , z e n e r c u r r e n t c , c a p a c i t a n c e ( p f ) i r , l e a k a g e c u r r e n t ( u a ) v z n o m i n a l z e n e r v o l t a g e ( v ) v z z e n e r v o l t a g e ( v ) v z n o m i n a l z e n e r v o l t a g e ( v ) v z z e n e r v o l t a g e ( v ) 1 0 0 1 0 0 0 1 0 0 1 0 1 1 0 1 1 2 1 0 0 1 0 1 0 . 1 0 . 0 1 1 0 8 6 4 2 0 1 0 0 1 0 1 0 . 1 0 . 0 1 1 0 3 0 5 0 7 0 9 0 9 0 1 0 0 0 1 0 0 1 0 1 0 . 1 0 . 0 1 0 . 0 0 1 0 . 0 0 0 1 0 . 0 0 0 0 1 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 0 v b i a s 1 v b i a s b i a s a t 5 0 % o f v z n o m t a = 2 5 o c t a = 2 5 o c t a = 2 5 o c 1 5 0 o c 2 5 o c - 5 5 o c rating characteristic curves ( mmsz5221bpt thru mmsz5270bpt )
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