s m d ty p e w w w . k e x i n . c o m . c n 1 t r a n s i s t o r s f e a tu r e s l o w c u r r e n t ( m a x . 1 0 0 m a ) l o w v o l t a g e ( m a x . 4 5 v ) . n p n c o m p l e m e n t s : b c 8 4 9 a n d b c 8 5 0 . a b s o l u te m a x i m u m ra ti n g s t a = 2 5 n o t e . 1 : t r a n s i s t o r m o u n t e d o n a n f r 4 p r i n t e d - c i r c u i t b o a r d . p np t r an sist o r s bc859~ bc860 ( k c 8 5 9 ~ k c 8 6 0 ) p a r a m e t e r s y m b o l r a t i n g u n i t c o l l e c t o r - b a s e v o l t a g e b c 8 5 9 - 3 0 b c 8 6 0 - 5 0 c o l l e c t o r - e m i t t e r v o l t a g e b c 8 5 9 - 3 0 b c 8 6 0 - 4 5 e m i t t e r - b a s e v o l t a g e v e b o - 5 c o l l e c t o r c u r r e n t - c o n t i n u o u s i c - 1 0 0 p e a k c o l l e c t o r c u r r e n t i c m - 2 0 0 p e a k b a s e c u r r e n t i b m - 2 0 0 c o l l e c t o r p o w e r d i s s i p a t i o n ( n o t e . 1 ) p c 2 5 0 w t h e r m a l r e s i s t a n c e f r o m j u n c t i o n t o a m b i e n t ( n o t e . 1 ) r t h j a 5 0 0 k / w j u n c t i o n t e m p e r a t u r e t j 1 5 0 s t o r a g e t e m p e r a t u r e r a n g e t st g - 5 5 t o 1 5 0 v v c b o v c e o m a 0.4 +0.1 -0.1 2.9 +0.2 -0.1 0.95 +0.1 -0.1 1.9 +0.1 -0.2 2.8 +0.2 -0.1 +0.2 -0.1 1 2 3 unit: mm sot-23-3 1 . 6 1. base 2. emitter 3. collector 0.4 0.15 +0.02 -0.02 0.55 0-0.1 0.68 +0.1 -0.1 1.1 +0.2 -0.1
s m d ty p e w w w . k e x i n . c o m . c n 2 t r a n s i s t o r s p np t r an sist o r s bc859~ bc860 ( k c 8 5 9 ~ k c 8 6 0 ) e l e c tr i c a l ch a r a c te r i s ti c s t a = 2 5 p a r a m e t e r s y m b o l t e s t c o n d i t i o n s m i n t y p m a x u n i t c o l l e c t o r - b a s e b r e a k d o w n v o l t a g e b c 8 5 9 - 3 0 b c 8 6 0 - 5 0 c o l l e c t o r - e m i t t e r b r e a k d o w n v o l t a g e b c 8 5 9 - 3 0 b c 8 6 0 - 4 5 e m i t t e r - b a s e b r e a k d o w n v o l t a g e v e b o i e = - 1 0 0 a i c = 0 - 5 v c b = - 3 0 v , i e = 0 - 1 - 1 5 n a v c b = - 3 0 v , i e = 0 , t j = 1 5 0 - 4 u a e m i t t e r c u t - o f f c u r r e n t i e b o v e b = - 5 v , i c = 0 - 1 0 0 n a i c = - 1 0 m a , i b = - 0 . 5 m a - 7 5 - 3 0 0 i c = - 1 0 0 m a , i b = - 5 m a - 2 5 0 - 6 0 0 i c = - 1 0 m a , i b = - 0 . 5 m a ( n o t e . 1 ) - 7 0 0 i c = - 1 0 0 m a , i b = - 5 m a ( n o t e . 1 ) - 8 5 0 v c e = - 5 v , i c = - 2 m a ( n o t e . 2 ) - 6 0 0 - 6 5 0 - 7 5 0 v ce = - 5 v , i c = - 1 0 m a ( n o t e . 2 ) - 8 2 0 d c c u r r e n t g a i n b c 8 5 9 b : b c 8 6 0 b 2 2 0 4 7 5 b c 8 5 9 c : b c 8 6 0 c 4 2 0 8 0 0 c o l l e c t o r c a p a c i t a n c e c c v c b = - 1 0 v , i e = i e = 0 , f = 1 m h z 4 . 5 e m i t t e r c a p a c i t a n c e c e v eb = - 0.5 v , i c = i c = 0 , f = 1 m h z 1 0 n o i s e f i g u r e v c e = - 5 v , i c = - 2 0 0 u a , r s = 2 k f = 3 0 h z t o 1 5 k h z v c e = - 5 v , i c = - 2 0 0 u a , r s = 2 k f = 1 k h z , b = 2 0 0 h z t r a n s i t i o n f r e q u e n c y f t v c e = - 5 v , i c = - 1 0 m a , f = 1 0 0 m h z 1 0 0 m h z p f n f 4 4 d b v b e m v h f e v c e = - 5 v , i c = - 2 m a i c b o 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 c e ( sa t ) 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 b e ( sa t ) v v c b o v c e o i c = - 1 0 0 a i e = 0 i c = - 1 m a i b = 0 c o l l e c t o r - b a s e c u t - o f f c u r r e n t b a s e - e m i t t e r v o l t a g e n o t e . 1 : v b e sa t d e c r e a s e s b y a b o u t ? 1 . 7 m v / k w i t h i n c r e a s i n g t e m p e r a t u r e . n o t e . 2 : v b e d e c r e a s e s b y a b o u t ? 2 m v / k w i t h i n c r e a s i n g t e m p e r a t u r e . cl a s s i f i c a ti o n o f h f e t y p e b c 8 5 9 b b c 8 5 9 c b c 8 6 0 b b c 8 6 0 c r a n g e 2 2 0 - 4 7 5 4 2 0 - 8 0 0 2 2 0 - 4 7 5 4 2 0 - 8 0 0 m a r k i n g 4 b * 4 c * 4 f * 4 g *
s m d ty p e w w w . ke x in . com . c n 3 t ran s i st or s p np t r an sist o r s bc859~ bc860 ( k c 8 5 9 ~ k c 8 6 0 ) t y p i c a l ch a r a c te r i s i ti c s fig.2 dc c u r r e n t gain ; ty pic a l va lues . handbook, full pagewidth 0 300 200 100 400 ? 10 ? 2 ? 10 ? 1 h fe ? 1 i c (ma) ? 10 ? 10 3 ? 10 2 v ce = ? 5 v bc859b; bc860b. fig.3 dc c u r r e n t gain ; ty pic a l va lues . handbook, full pagewidth 0 300 200 100 600 500 400 ? 10 ? 2 ? 10 ? 1 h fe ? 1 i c (ma) ? 10 ? 10 3 ? 10 2 v ce = ? 5 v bc859c; bc860c.
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