s m d ty p e i c w w w . k e x i n . c o m . c n 1 s m d ty p e t r a n s i s t o r s f e a tu r e s h i g h v e b o . w i d e a s o a n d h i g h d u r a b i l i t y a g a i n s t b r e a k d o w n . e l e c t r i c a l c h a r a c t e r i s ti c s t a = 2 5 a b s o l u t e m a x i m u m ra t i n g s t a = 2 5 t i n u g n i t a r l o b m y s r e t e m a r a p v e g a t l o v e s a b - r o t c e l l o c c b o - 6 0 v v e g a t l o v r e t t i m e - r o t c e l l o c c e o - 5 0 v v e g a t l o v e s a b - r e t t i m e e b o - 1 5 v i t n e r r u c r o t c e l l o c c - 1 5 0 m a i ) e s l u p ( t n e r r u c r o t c e l l o c c p - 3 0 0 m a p n o i t a p i s s i d r o t c e l l o c c 2 0 0 m w t e r u t a r e p m e t n o i t c m u j j 1 2 5 t e r u t a r e p m e t e g a r o t s s tg - 5 5 t o + 1 2 5 pnp tra ns is tors 2 sa1 2 5 2 p ar am eter s y m bol t es t condi ti ons m i n t y p m ax uni t col l ec tor - bas e br eak dow n v ol tage v c b o ic = - 100 a i e = 0 - 60 col l ec tor - em i tter br eak dow n v ol tage v c e o ic = - 1 m a i c = 0 - 50 e m i tter - bas e br eak dow n v ol tage v e b o i e = - 100 a i b = 0 - 15 col l ec tor - bas e c ut- off c ur r ent i c b o v c b = - 40 v , i e = 0 - 0.1 e m i tter c ut- off c ur r ent i e b o v e b = - 10v , i c = 0 - 0.1 col l ec tor - em i tter s atur ati on v ol tage v c e ( sa t ) i c = - 50 m a , i b = - 5m a - 0.5 b as e- em i tter s atur ati on v ol tage v b e ( sa t ) i c = - 50 m a , i b = - 5m a - 1.2 dc for w ar d c ur r ent gai n h fe v c e = - 6v , i c = - 1m a 90 600 col l ec tor output c apac i tanc e c o b v c b = - 6v , f= 1m hz 3.5 pf t r ans i ti on fr equenc y f t v c e = - 6v , i c = - 1m a 100 m hz v ua v c las s if ic at ion of h fe com pl em entar y to 2s c3134 t y p e 2 s a 1 2 5 2 - d 4 2 s a 1 2 5 2 - d 5 2 s a 1 2 5 2 - d 6 2 s a 1 2 5 2 - d 7 r a n g e 9 0 - 1 8 0 1 3 5 - 2 7 0 2 0 0 - 4 0 0 3 0 0 - 6 0 0 m a r k i n g d 4 d 5 d 6 d 7 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
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 2 sa1 2 5 2 ty pic al c har ac t er is it ic s i c - v ce 0 - - 0.2 - - 0.4 - - 0.6 - - 0.8 - - 1.0 0 - - 10 - - 20 - - 30 - - 40 - - 50 i b =0 - -200 a - -150 a - -100 a - -50 a - -250 a 2sa1252 from top - -500a - -450a - -400a - -350a - -300a i c - - v ce 0 - - 10 - - 20 - - 30 - - 40 - - 50 0 - - 4 - - 8 - - 12 - - 16 - - 20 i b =0 - -70a 2sa1252 - -60a - -50 a - -40a - -30 a - -20a - -10 a i c - - v be 0 - - 0.4 - - 0.8 - - 1.2 - - 1.6 0 - - 20 - - 40 - - 60 - - 80 - - 100 2sa1252 v ce = - - 6v pulse collector current , i c ? ma collector-to-emitter voltage , v ce ? v collector current , i c ? ma collector-to-emitter voltage , v ce ? v collector current , i c ? ma base-to-emitter voltage , v be ? v 1000 100 h fe - - i c 2 5 2 5 2 2 5 - - 0.1 - - 1.0 - - 10 - - 100 2 3 5 7 2 3 5 7 2sa1252 v ce = - - 6v pulse dc current gain, h fe collector current , i c ? ma 7 - - 1.0 3 3 2 5 7 - - 10 5 7 - - 100 2 2 10 7 100 5 3 7 1000 5 3 2 2 f t - - i c 2sa1252 v ce = - - 6v pulse 7 - - 1.0 3 3 2 5 7 5 - - 10 5 7 - - 100 2 1.0 7 10 5 3 3 2 2 cob - - v cb 2sa1252 f= 1mhz gain-bandwidth product, f t ? mhz collector current, i c ? ma output capacitance, co b ? pf collector -to-base v oltage, v cb - - v v ce (sat) - - i c 5 7 - - 10 2 - - 1.0 3 2 7 5 3 - - 100 2 - - 0.1 7 7 - - 1.0 5 3 3 5 3 2 2 2sa1252 i c / i b = 10 collector current, i c ? ma collector-to-emitter saturation voltage , v ce (sat) ? v 0 20 40 60 80 100 120 140 0 40 80 200 120 160 240 p c - - t a 2sa1252 collector dissipation, p c ? mw ambient temperature, ta ? ?c
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