s e m i c o n d u c t o r r o h s r o h s n p n p o w e r d a rl in g to n nell high power products h ig h v o lt a g e l g n it io n c o il d ri v e r , 1 5 a , 4 0 0 v t o -220 ab ( ) b u 9 4 1 a to-3p(b) ( bu 941 b ) v e r y r u g g e d b i p o l a r t e c h n o l o g y npn darlington i n t e g r a t e d a n t i p a r a l l e l c o l l e c t o r - e m i t t e r d i o d e h i g h o p e r a t i n g j u n c t i o n t e m p e r a t u r e featur es pro duc t sum mar y i (a) c 1 5 v (v) ceo 4 0 0 3 0 0 m i n . h fe c b c e b u 9 4 1 s e r i e s high ruggedness electronic ignitions applic ations b c e c * i n t e r n a l s c h e m a t i c d i a g r a m unit w v c a v a l u e 1 5 3 0 5 0 0 5 5 . 0 1 . 0 4 0 0 1 5 0 - 6 5 t o 1 7 5 - 6 5 t o 1 7 5 1 5 5 absolute maximum ra tings (t = 25c unless otherwise specified) c v = 0 b e test conditions i = 0 b t = 2 5 c c b a s e p e a k c u r r e n t t o t a l p o w e r d i s s i p a t i o n p arameter c o l l e c t o r p e a k c u r r e n t c o l l e c t o r c u r r e n t s t o r a g e t e m p e r a t u r e e m i t t e r t o b a s e v o l t a g e c o l l e c t o r t o e m i t t e r v o l t a g e c o l l e c t o r t o e m i t t e r v o l t a g e s y m b o l p d v c e o v ces v e b o i c m i b m t s t g i c t o - 2 2 0 a b t o - 3 p ( b ) b a s e c u r r e n t i b o p e r a t i o n j u n c t i o n t e m p e r a t u r e t j i = 0 c p a g e 1 o f 5 w w w . n e l l s e m i . c o m c ( 2 ) e ( 3 ) b ( 1 )
s e m i c o n d u c t o r nell high power products unit v a 2 . 5 0 . 5 2 0 1 0 0 1 0 0 1 . 6 4 0 0 0 . 5 1 . 8 2 . 2 2 . 5 2 . 7 3 0 0 2 electrical characteristics (t = 25c unless otherwise specified) c v = 0 , v = 5 0 0 v b e c e test conditions v = 0 , v = 5 0 0 v , t c b e c e = 1 2 5 j i = 0 , v = 4 5 0 v , t = 1 2 5 c b c e j i = 0 , v = 5 v c e b d i o d e f o r w a r d v o l t a g e c o l l e c t o r t o e m i t t e r s a t u r a t i o n v o l t a g e f u n c t i o n a l t e s t p arameter c o l l e c t o r t o e m i t t e r s u s t a i n i n g v o l t a g e e m i t t e r c u t - o f f c u r r e n t b a s e t o e m i t t e r s a t u r a t i o n v o l t a g e c o l l e c t o r c u t - o f f c u r r e n t c o l l e c t o r c u t - o f f c u r r e n t s y m b o l i ces l c e o v * c e o ( s u s ) v c e ( s a t ) * v b e ( s a t ) * i e b o v f t f 1 5 f a l l t i m e s r o r a g e t i m e 1 0 * p u l s e d : p u l s e d u r a t i o n = 3 0 0 s , d u t y c y c l e = 1 . 5 % . unit m i n . 1 . 0 0 0 . 9 7 thermal resist ance t o - 2 2 0 a b t o - 3 p ( b ) p arameter 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 c a s e s y m b o l r th(j-c) t y p . m a x . o c / w p a g e 2 o f 5 w w w . n e l l s e m i . c o m 0 . 5 r o h s r o h s b u 9 4 1 s e r i e s m i n . t y p . m a x . i = 0 , v = 4 5 0 v b c e i = 0 , i = 1 0 0 m a , l = 1 0 m h , b c v = 4 0 0 v c l a m p i = 8 a , i = 1 0 0 m a c b i = 1 0 a , i = 2 5 0 m a c b i = 1 2 a , i = 3 0 0 m a c b i = 8 a , i = 1 0 0 m a c b i = 1 0 a , i = 2 5 0 m a c b i = 1 2 a , i = 3 0 0 m a c b d c c u r r e n t g a i n h f e i = 1 0 a f i = 5 a , v = 1 0 v c c e ma a a ma ma v v = 2 4 v , l = 7 m h , v = 4 0 0 v c c c l a m p ( s e e f u n c t i o n a l t e s t c i r c u i t ) t s v = 1 2 v , v = 3 0 0 v , v = 0 , c c c l a m p b e r = 4 7 ? , l = 7 m h , i = 7 a , i = 7 0 m a b e c b orderin g inform a tion sch eme darlington series BU941 type, 15a / 400v a package type a = to-220ab b = to-3p(b) s BU941
s e m i c o n d u c t o r nell high power products r o h s r o h s b u 9 4 1 s e r i e s v = 1 6 v c c t 1 2 0 m s 0 v b r 1 r 2 c e v c l a m p d . u . t . v d 1 2 v v i n 7 m h d . u . t . v c l a m p 4 7 f u n c t i o n t e s t c i r c u i t 2 4 v 0 . 2 2 f d . u . t . 0 . 2 1 0 0 d r i v e r a n d c u r r e n t l i m i t i n g c i r c u i t v z l = 7 m h 0 0 0 0 l n p u t s i g n a l b a s e c u r r e n t c o l l e c t o r c u r r e n t c o l l e c t o r e m i t t e r v o l t a g e 1 6 . 6 m s 1 1 . 6 m s l = 0 . 3 a b l = 8 a c v c l a m p 2 4 v p a g e 3 o f 5 w w w . n e l l s e m i . c o m f i g . 1 d c c u r r e n t g a i n d c c u r r e n t g a i n , h f e c o l l e c t o r c u r r e n t , l ( a ) c v = 2 v c e 1 2 5 c - 4 0 c t = 2 5 c c 1 1 0 2 1 0 3 1 0 4 1 0 - 1 1 0 0 1 0 1 1 0 t y p i c a l c h a r a c t e r i s t i c s s u s t a i n i n g v o l t a g e t e s t c i r c u i t s w i t c h i n g t i m e t e s t c i r c u i t
s e m i c o n d u c t o r nell high power products p a g e 4 o f 5 w w w . n e l l s e m i . c o m f i g . 3 c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e f i g . 2 d c c u r r e n t g a i n d c c u r r e n t g a i n , h f e 1 1 0 2 1 0 3 1 0 c o l l e c t o r c u r r e n t , l ( a ) c - 1 1 0 4 1 0 0 1 0 1 1 0 v = 1 0 v c e 1 2 5 c - 4 0 c t = 2 5 c c 1 0 a 8 6 4 2 1 4 . 0 3 . 5 2 . 5 1 . 5 0 . 5 0 5 0 1 0 0 1 5 0 2 0 0 c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e , v ( v ) c e ( s a t ) b a s e c u r r e n t , l ( m a ) b f i g . 5 b a s e - e m i t t e r s a t u r a t i o n v o l t a g e f i g . 4 c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e c o l l e c t o r - e m i t t e r s a t u r a t i o n v o l t a g e , v ( v ) c e ( s a t ) c o l l e c t o r c u r r e n t , l ( m a ) c s w i t c h i n g t i m e , s b a s e - e m i t t e r s a t u r a t i o n v o l t a g e , v ( v ) b e ( s a t ) c o l l e c t o r c u r r e n t , l ( a ) c 1 2 5 c - 4 0 c t = 2 5 c c h = 1 0 0 f e 1 . 4 1 . 2 1 . 0 0 . 8 0 . 6 0 . 4 0 . 2 0 1 2 4 6 8 1 0 1 2 2 . 4 2 . 2 2 . 0 1 . 8 1 . 6 1 . 4 1 1 . 2 0 2 4 6 8 1 0 1 2 h = 1 0 0 f e 1 2 5 c - 4 0 c t = 2 5 c c f i g . 6 s w i t c h i n g t i m e f i g . 7 s a f e o p e r a t i n g a r e a - 1 1 0 1 1 0 1 2 4 6 8 1 0 1 2 t s t f v c l a m p = 3 0 0 v , v = 1 2 v c c h = 1 0 0 , r = 4 7 , f e b e l = 7 m h , t = 2 5 c c c o l l e c t o r c u r r e n t , l ( a ) c c o l l e c t o r c u r r e n t , l ( a ) c c o l l e c t o r - e m i t t e r v o l t a g e , v ( v ) c e - 2 1 0 - 1 1 0 0 1 0 1 1 0 2 1 0 0 1 0 1 1 0 2 1 0 3 1 0 l m a x p u l s e d c p u l s e o p e r a t i o n * l m a x c o n t c * f o r s i n g l e n o n - r e p e l i t i v e p u l s e 1 0 s 1 0 0 s 1 m s 1 0 m s d . c . r o h s r o h s b u 9 4 1 s e r i e s
s e m i c o n d u c t o r c a s e s t y l e 2.87 (0.113) 2.62 (0.103) 9.40 (0.370) 9.14 (0.360) 10.54 (0.415) max . 16.13 (0.635) 15.87 (0.625) pin 5.20 (0.205) 4.95 (0.195) 0.90 (0.05) 0.70 (0.028) .91 (0.154) .74 (0.148) 1 2 4.70 (0.185) 4.44 0.1754 ( ) 1.9 (0.055) 1.14 (0.045) .8 (0.145) .4 (0.15) 8.89 (0.50) 8.8 (0.0) 29.1 (1.148) 28.40 (1.118) 14.22 (0.50) 1.4 (0.50) 0.5 (0.022) 0. (0.014) 2.79 (0.110) 2.54 (0.100) 15.2 (0.0) 14.55 (0.57) t o - 2 2 0 a b p a g e 5 o f 5 w w w . n e l l s e m i . c o m t o - 3 p ( b ) a l l d i m e n s i o n s i n m i l l i m e t e r s ( i n c h e s ) r o h s r o h s b u 9 4 1 s e r i e s nell high power products 1 5 . 6 0 . 4 9 . 6 2 . 0 4 . 0 1 9 . 9 0 . 3 2 0 . 0 m i n 4 . 0 m a x 2 3 1 . 0 5 + 0 . 2 - 0 . 1 5 . 4 5 0 . 1 5 . 4 5 0 . 1 3 . 2 0 , 1 1 . 8 5 . 0 . 0 2 4 . 8 0 . 2 2 . 0 0 . 1 0 . 6 5 + 0 . 2 - 0 . 1 1 . 4 b c e 1 2 3 a l l d i m e n s i o n s i n m i l l i m e t e r s ( i n c h e s ) 1 3 2 1 3 2
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