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 d1742a f e a tu r e s h i g h f o r w a r d c u r r e n t t r a n s f e r r a t i o h f e w h i c h h a s s a t i s f a c t o r y l i n e a r i t y l o w c o l l e c t o r t o 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 ( s a t ) c o m p l e m e n t a r y t o 2 s b 1 1 7 2a 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 8 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 8 0 e m i t t e r - b a s e v o l t a g e v e b o 6 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 3 c o l l e c t o r c u r r e n t - p u l s e i c p 5 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 t c = 2 5 c 1 5 t a = 2 5 c 1 . 3 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 p c w 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 u a i e = 0 8 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 = 3 0 m a i b = 0 8 0 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 u a i c = 0 6 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 = 8 0 v , i e = 0 0 . 1 m a c o l l e c t o r - e m i t t e r c u t o f f c u r r e n t i c e s v c e = 8 0 v , v b e = 0 2 0 0 c o l l e c t o r - e m i t t e r c u t o f f c u r r e n t i c e o v c e = 6 0 v , i b = 0 3 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 = 6 v , i c = 0 0 . 1 m a 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 a , i b = 3 7 5 m a 1 . 2 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 a , i b = 3 7 5 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 = 4 v , i c = 3 a 1 . 8 v c e = 4 v , i c = 1 a 7 0 2 5 0 v c e = 4 v , i c = 3 a 1 0 t u r n - o n t i m e t o n 0 . 5 s t o r a g e t i m e t st g 2 . 5 f a l l t i m e t f 0 . 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 = 1 0 v , i c = 5 0 0 m a , f = 1 0 m h z 3 0 m h z i c = 1 a , i b 1 = 0 . 1 a , i b 2 = ? 0 . 1 a , v c c = 5 0 v u s v u a d c c u r r e n t g a i n h f e v 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 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 1 7 4 2a - q 2 s d 1 7 4 2a - p r a n g e 7 0 - 1 5 0 1 2 0 - 2 5 0
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 2s d1742a 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 c r ) o s a ( n o i t a r e p o e f a s f o a e r a th(t) ? t 0 6 1 0 40 120 80 140 20 100 60 0 20 15 5 10 (1) t c =ta (2) without heat sink (p c =1.3w) (1) (2) ambient temperature ta ( ?c ) collector power dissipation p c ( w ) 2 1 0 10 8 2 6 4 0 5 4 3 2 1 t c =25?c i b =100ma 90ma 80ma 70ma 60ma 40ma 30ma 20ma 10ma 50ma collector to emitter voltage v ce ( v ) collector current i c ( a ) 4 . 2 0 2.0 1.6 0.4 1.2 0.8 0 8 6 2 5 7 4 1 3 t c =100?c 25?c C25?c v ce =4v base to emitter voltage v be ( v ) collector current i c ( a ) 0.01 0.1 1 10 0.03 0.3 3 0.01 0.03 0.1 0.3 1 3 10 30 100 i c /i b =8 t c =100?c 25?c C25?c collector current i c ( a ) collector to emitter saturation voltage v ce(sat) ( v ) 0.01 0.1 1 10 0.03 0.3 3 1 3 10 30 100 300 1000 3000 10000 v ce =4v t c =100?c 25?c C25?c collector current i c ( a ) forward current transfer ratio h fe 0.01 0.1 1 10 0.03 0.3 3 1 3 10 30 100 300 1000 3000 10000 v ce =10v f=10mhz t c =25?c collector current i c ( a ) transition frequency f t ( mhz ) 1 10 100 1000 3 30 300 0.01 0.03 0.1 0.3 1 3 10 30 100 non repetitive pulse t c =25?c i cp i c t=10ms 300ms 1ms 2sd1742a collector to emitter voltage v ce ( v ) collector current i c ( a ) 10 ?4 10 10 ?3 10 ?1 10 ?2 0 1 1 3 10 2 10 4 10 ?1 1 10 10 2 10 3 (1) without heat sink (2) with a 50 50 2mm al heat sink (1) (2) time t ( s ) thermal resistance r th (t) ( ?c/w )
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