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 ) . p n p c o m p l e m e n t s : b c 8 5 9 a n d b c 8 6 0 . 0.4 +0.1 -0.1 2.9 +0.1 -0.1 0.95 +0.1 -0.1 1.9 +0.1 -0.1 2.4 +0.1 -0.1 1.3 +0.1 -0.1 0-0.1 0.38 +0.1 -0.1 0.97 +0.1 -0.1 0.55 0.4 1.base 2.emitter 3.collector 1 2 3 unit: mm sot-23 0.1 +0.05 -0.01 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 . np n t r an sist o r s BC849~ bc850 ( k c 8 4 9 ~ k c 8 5 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 4 9 3 0 b c 8 5 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 4 9 3 0 b c 8 5 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 m 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
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 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 4 9 3 0 b c 8 5 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 4 9 3 0 b c 8 5 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 5 v c b = 3 0 v , i e = 0 , t j = 1 5 0 5 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 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 i c = 1 0 m a , i b = 0 . 5 m a ( n o t e . 1 ) 9 0 2 5 0 i c = 1 0 0 m a , i b = 5 m a ( n o t e . 1 ) 2 0 0 5 0 0 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 i c = 1 0 m a , i b = 0 . 5 m a ( n o t e . 2 ) 7 0 0 i c = 1 0 0 m a , i b = 5 m a ( n o t e . 2 ) 9 0 0 b a s e - e m i t t e r v o l t a g e i c = 2 m a , v c e = 5 v ( n o t e . 2 ) 5 8 0 6 6 0 7 0 0 i c = 1 0 m a , v c e = 5 v ( n o t e . 2 ) 7 7 0 d c c u r r e n t g a i n b c 8 4 9 b , b c 8 5 0 b 2 4 0 b c 8 4 9 c , b c 8 5 0 c 4 5 0 b c 8 4 9 b , b c 8 5 0 b 2 0 0 2 9 0 4 5 0 b c 8 4 9 c , b c 8 5 0 c 4 2 0 5 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 eb = 0.5 v , i e = i e = 0 , f = 1 m h z 2 . 5 e m i t t e r c a p a c i t a n c e c e v c b = 1 0 v , i c = i c = 0 , f = 1 m h z 1 1 i c = 2 0 0 u a , v c e = 5 v , r s = 2 k ; f = 1 0 h z t o 1 5 . 7 k h z 4 i c = 2 0 0 u a , v c e = 5 v , r s = 2 k ; f = 1 k h z , b = 2 0 0 h z 4 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 o i s e f i g u r e n f d b m v h f e v c e = 5 v , i c = 1 0 u a v c e = 5 v , i c = 2 m a i c b o 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 v c e ( sa t ) v b e ( sa t ) v ua v c b o i c = 1 0 0 a i e = 0 i c = 1 m a i b = 0 v c e o v b 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 . d c c u r r e n t g a i n cl a s s i f i c a ti o n o f h f e np n t r an sist o r s BC849~ bc850 ( k c 8 4 9 ~ k c 8 5 0 ) na na t y p e b c 8 4 9 b b c 8 4 9 c b c 8 5 0 b b c 8 5 0 c r a n g e 2 0 0 - 4 5 0 4 2 0 - 8 0 0 2 0 0 - 4 5 0 4 2 0 - 8 0 0 m a r k i n g 2 b * 2 c * 2 f * 2 g *
s m d ty p e w w w . k e x i n . c o m . c n 3 t r a n s i s t o r s t y p i c a l ch a r a c te r i s i ti c s fig.2 dc current gain; typical values. handbook, full pagewidth 0 300 100 200 10 ?2 10 ?1 h fe 1 i c (ma) 0 1 0 1 3 10 2 v ce = 5 v BC849b; bc850b. fig.3 dc current gain; typical values. handbook, full pagewidth 0 600 200 400 10 ?2 10 ?1 h fe 1 i c (ma) 0 1 0 1 3 10 2 v ce = 5 v BC849c; bc850c. np n t r an sist o r s BC849~ bc850 ( k c 8 4 9 ~ k c 8 5 0 )
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