s m d ty p e w w w . k e x i n . c o m . c n 1 t ra n s i s t o r s np n t r an sist o r s bcw 71~ bcw 72 ( k c w 7 1 ~ k c w 7 2 ) f e a tu r e s l o w c u r r e n t ( 1 0 0 m a ) l o w v o l t a g e ( 4 5 v ) l o w n o i s e . p n p c o m p l e m e n t s : b c w 6 9 a n d b c w 7 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 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 v c b o 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 v c e o 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 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 m a 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 .
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 np n t r an sist o r s bcw 71~ bcw 72 ( k c w 7 1 ~ k c w 7 2 ) 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 v c b o i c = 1 0 0 a i e = 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 v c e o i c = 2 m a i b = 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 = 2 0 v , i e = 0 1 0 0 n a v c b = 2 0 v , i e = 0 , t j = 1 0 0 1 0 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 1 2 0 2 5 0 i c = 5 0 m a , i b = 2 . 5 m a 2 1 0 i c = 1 0 m a , i b = 0 . 5 m a 7 5 0 i c = 5 0 m a , i b = 2 . 5 m a 8 5 0 b a s e - e m i t t e r v o l t a g e v b e v c e = 5 v , i c = 2 m a 5 5 0 7 0 0 d c c u r r e n t g a i n b c w 7 1 9 0 b c w 7 2 1 5 0 d c c u r r e n t g a i n b c w 7 1 1 1 0 2 2 0 b c w 7 2 2 0 0 4 5 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 2 . 5 p f n o i s e f i g u r e n f 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 1 0 d b 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 h f e v c e = 5 v , i c = 1 0 u a v c e = 5 v , i c = 2 m a m v v 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 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 ) cl a s s i f i c a ti o n o f h f e ( 2 ) t y p e b c w 7 1 b c w 7 2 r a n g e 1 1 0 - 2 2 0 2 0 0 - 4 5 0 m a r k i n g k 1 * k 2 *
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