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 2s d2121 f e a tu r e s l o w f r e q u e n c y p o w e r a m p l i f i e r c o m p l e m e n t a r y t o 2 s b 1 4 0 7 2 . 3 0 . 6 0 + 0 . 1 - 0 . 1 6 . 5 0 + 0 . 1 5 - 0 . 1 5 1 . 5 0 + 0 . 1 5 - 0 . 1 5 0 . 8 0 + 0 . 1 - 0 . 1 4 . 6 0 + 0 . 1 5 - 0 . 1 5 0 . 5 0 + 0 . 1 5 - 0 . 1 5 9 . 7 0 + 0 . 2 - 0 . 2 5 . 3 0 + 0 . 2 - 0 . 2 2 . 3 0 + 0 . 1 - 0 . 1 0 . 5 0 + 0 . 8 - 0 . 7 5 . 5 5 + 0 . 1 5 - 0 . 1 5 2 . 6 5 + 0 . 2 5 - 0 . 1 1 . 5 0 + 0 . 2 8 - 0 . 1 0 . 1 2 7 m a x 3 . 8 0 to-252 u n i t : m m 1 b a s e 2 c o l l ecto r 3 e m i t t e r 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 3 5 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 3 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 2 . 5 c o l l e c t o r c u r r e n t - p u l s e i c p 3 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 1 8 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 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 m a i e = 0 3 5 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 0 m a r b e = 3 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 m 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 = 3 5 v , i e = 0 2 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 = 5 v , i c = 0 0 . 1 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 = 2 a , i b = 2 0 0 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 = 2 a , i b = 2 0 0 m a 1 . 2 b a s e - e m i t t e r v o l t a g e v b e v c e = 2 v , i c = 1 . 5 a 1 . 5 v c e = 2 v , i c = 5 0 0 m a 6 0 3 2 0 v c e = 2 v , i c = 1 . 5 a 2 0 v u a d c c u r r e n t g a i n h f e v cl a s s i f i c a ti o n o f h f e ( 1 ) t y p e 2 s d 2 1 2 1 - b 2 s d 2 1 2 1 - c 2 s d 2 1 2 1 - d r a n g e 6 0 - 1 2 0 1 0 0 - 2 0 0 1 6 0 - 3 2 0
s m d ty p e w w w . k exi n . co m . c n 2 t ra n s i s t o r s np n t r an sist o r s 2s d2121 t y p i c a l ch a r a c te r i s i ti c s maximum collector dissipation curve 30 20 10 0 50 100 150 case temperature t c (? c) collector power dissipation p c (w) 10 1.0 3.0 collector current i c (a) 0.3 0.1 1 10 3 30 100 collector to emitter voltage v ce (v) ta = 25 b c 1 shot pulse i c(peak) i c(max) 1 ms area of safe operation dc operation (t c = 25 b c) pw = 10 ms ta = 25 b c i b = 0 2.0 1.6 1.2 0.8 0.4 0 collector current i c (a) 1 collector to emitter voltage v ce (v) 3 5 2 4 typical output characteristics 2 ma 4 10 12 14 16 6 8 1,000 300 30 100 10 0.03 0.1 dc current transfer ratio h fe 0.3 collector current i c (a) 1.0 3.0 v ce = 2 v ta = 25 c dc current transfer ratio vs. collector current collector to emitter saturation voltage vs. collector current 1.0 0.3 0.1 collector to emitter saturation voltage v ce(sat) (v) 0.03 0.01 0.03 0.3 0.1 1.0 3.0 collector current i c (a) i c = 10 i b ta = 25 c 2.0 1.6 1.2 0.8 0.4 0 collector current i c (a) 0.4 base to emitter voltage v be (v) 1.2 0.8 2.0 1.6 typical transfer characteristics v ce = 2 v ta = 25 c b b b
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