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 np n t r an sist o r s m m bt a 44 ( k m b ta 4 4 ) f e a tu r e s h i g h c o l l e c t o r - e m i t t e r v o l t a g e c o m p l e m e n t t o m m b t a 9 4 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 4 0 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 0 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 2 0 0 c o l l e c t o r c u r r e n t - p u l s e d i c m 3 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 3 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 r ja 3 5 7 / 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 * 1 : p u l s e t e s t : p u l s e w i d t h 3 0 0 s , d u t y c y c l e 2 . 0 % . 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 4 0 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 * 1 v c e o i c = 1 m a i b = 0 4 0 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 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 = 4 0 0 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 v c e ( sa t ) 1 i c = 1 0 m a , i b = 1 m a 0 . 2 v c e ( sa t ) 2 i c = 5 0 m a , i b = 5 m a 0 . 3 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 * 1 v b e ( sa t ) i c = 1 0 m a , i b = 1 m a 0 . 7 5 h f e ( 1 ) v c e = 1 0 v , i c = 1 m a 5 0 h f e ( 2 ) v c e = 1 0 v , i c = 1 0 m a 80 300 h f e ( 3 ) v c e = 1 0 v , i c = 5 0 m a 4 0 h f e ( 4 ) v c e = 1 0 v , i c = 1 0 0 m a 4 0 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 = 2 0 v , i e = 0 , f = 1 m h z 7 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 = 2 0 , i c = 1 0 m a , f = 3 0 m h z 5 0 m h z v v n 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 * 1 d c c u r r e n t g a i n * 1 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 cl a s s i f i c a ti o n o f h f e(2) t y p e m m b t a 4 4 m m b t a 4 4 - l r a n g e 8 0 - 3 0 0 1 0 0 - 2 0 0 m a r k i n g 3 d
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 m m bt a 44 ( k m b ta 4 4 ) t y p i c a l ch a r a c te r i s i ti c s 0 . 1 1 1 0 1 1 0 10 0 0. 1 1 1 0 10 0 1 0 10 0 100 0 0 2 5 5 0 7 5 10 0 12 5 15 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 0. 1 1 1 0 10 0 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 1 1 0 10 0 1 0 10 0 0 5 1 0 1 5 2 0 0 2 4 6 8 1 0 1 2 1 4 1 6 3 0 30 0 f=1 m h z i e =0 / i c =0 t a =2 5 reverse v o l t a g e v ( v ) capaci t ance c ( p f ) v c b / v e b c o b / c i b ? ? c i b c o b 2 0 50 0 v ce = 10 v t a =10 0 t a =2 5 collector current i c (m a) dc current gain h f e i c h f e ? ? c o llec t o r p o wer dissipa t i o n p c (mw ) a m bien t t e m pera t ure t a ( ) p c ?? t a collector current i c (m a) base - emi tt e r sa t ura t i o n v o l t a g e v be s a t (v) t a =2 5 t a =10 0 =1 0 i c v b e sat ? ? t a =2 5 t a =10 0 =1 0 v c e sa t ?? i c collector-emitter saturation v o l t a g e v ce s a t (mv ) collector current i c (m a) co mm o n e m itt e r t a =2 5 80ua 72u a 64u a 56u a 48u a 40u a 32u a 24u a 16u a i b =8u a collector-em itter voltage v ce (v) collector current i c (ma ) s t a t i c c h arac t er i s t i c
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