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 h i g h 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 v c e o . l o w n o i s e v o l t a g e n v . c o m p l i m e n t a r y t o 2 s b 7 9 2a-hf 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 1 85 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 1 85 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 5 0 c o l l e c t o r c u r r e n t - pulse i cp 1 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 0 0 m 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 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 1 85 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 = 1 m a i b = 0 1 85 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 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 v c b = 1 20 v , i e = 0 1 0 0 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 = 4 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 v c e ( sa t ) i c = 3 0 m a , i b = 3 m a 1 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 ) i c = 3 0 m a , i b = 3 m a 1 . 2 d c c u r r e n t g a i n h f e v c e = 5 v , i c = 1 0 m a 9 0 3 3 0 n o i s e v o l t a g e n v v c e = 1 0 v , i c = 1 m a , g v = 8 0 d b r g = 1 0 0 k w , f u n c t i o n = f l a t 1 5 0 m v c o l l e c t o r o u t p u t c a p a c i t a n c e c o b v c b = 1 0 v , i e = 0 , f = 1 m h z 2 . 3 p f t r a n s i t i o n f r e q u e n c y f t v c e = 1 0 v , i e = - 1 0 m a , f = 2 0 0 m h z 1 5 0 m h z v n a v cl a s s i f i c a ti o n o f h f e t y p e 2 s d 8 1 4 a - q-hf 2 s d 8 1 4 a - r-hf 2 s d 8 1 4 a - s-hf r a n g e 9 0 - 1 5 5 1 3 0 - 2 2 0 1 8 5 - 3 3 0 m a r k i n g l q f l r f l s f p b ? f r e e p a c k a g e m a y b e a v a i l a b l e . t h e g ? s u f f i x d e n o t e s a p b ? f r e e l e a d f i n i s h np n t r an sist o r s 2s d814a - hf 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 t y p i c a l ch a r a c te r i s i ti c s p c i a t ? c ? v ce i c ? v be v ce(sat) ? i c h fe ? i c f t ? i e c ob ? v cb 0 6 1 0 40 120 80 140 20 100 60 0 240 200 160 120 80 40 ambient temperature ta ( ?c ) collector power dissipation p c ( mw ) 2 1 0 10 8 2 6 4 0 120 100 80 60 40 20 ta=25?c 1.8ma 1.6ma 1.4ma 1.2ma 1.0ma 0.8ma 0.6ma 0.4ma 0.2ma i b =2.0ma collector to emitter voltage v ce ( v ) collector current i c ( ma ) 0 . 2 0 1.6 0.4 1.2 0.8 0 120 100 80 60 40 20 v ce =10v ta=75?c C25?c 25?c base to emitter voltage v be ( v ) collector current i c ( ma ) 0.1 1 10 100 0.3 3 30 0.01 0.03 0.1 0.3 1 3 10 30 100 i c /i b =10 25?c C25?c ta=75?c collector current i c ( ma ) collector to emitter saturation voltage v ce(sat) ( v ) 0.1 1 10 100 0.3 3 30 0 600 500 400 300 200 100 v ce =10v ta=75?c 25?c C25?c collector current i c ( ma ) forward current transfer ratio h fe ?1 ?3 ?10 ?30 ?100 0 200 160 120 80 40 v cb =10v ta=25?c emitter current i e ( ma ) transition frequency f t ( mhz ) 1 3 10 30 100 0 5 4 3 2 1 i e =0 f=1mhz ta=25?c collector to base voltage v cb ( v ) collector output capacitance c ob ( pf ) np n t r an sist o r s 2s d814a - hf
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