bc857at, bt, ct features x epitaxial die construction x for switching and af amplifier applications pnp small signal surface mount transistor maximum ratings @ 25 o c unless otherwise specified symbol rating rating unit v ceo collector-emitter voltage -45 v v cbo collector-base voltage -50 v v ebo emitter-base voltage -6.0v i c collector current-continuous -100 ma p d power dissipation 150mw t j operating junction temperature -55 to +150 : t stg storage temperature -55 to +150 : electrical characteristics @ 25 o c unless otherwise specified symbol parameterminty p max units v (br)ceo collector-emitter breakdown voltage (i c =-10ma, i b =0) -45------v v (br)cbo collector-base breakdown voltage (i c =-10ua, i b =0) -50------v v (br)ebo collector-emitter breakdown voltage (i e =-1ua, i c =0) -6 ------v i cbo collector cutoff current ( v cb = -30v) ----- --1 5 na h fe dc current gain current gain a ( v ce =-5.0v,i c =-2.0ma ) b c 125 220 420 --- --- --- 250 475 800 --- v ce( sat ) collector-emitter saturation voltage ( i c = -10ma, i b = -0.5ma ) ( i c = -100ma, i b = -5.0 ma) --- --- --- --- -300 -650 mv v be(sat) base-emitter saturation voltage ( i c = -10ma, i b = -0.5ma) (i c = -100ma,i b = -5.0ma) --- --- -700 -900 --- --- mv v be(on) base-emitter voltage (v ce = -5.0v, i c = -2.0ma) ( v ce = -5.0v, i c = -10ma) -600 --- --- --- -750 -820 mv noise figure nf (i c = -0.2ma, v ce = -5.0v, r s = 2.0k
, f = 1.0khz,bw = 200hz) ------10 db f t transition frequency (v ce = -5.0v, i c = -10ma,f=100mhz) 100------mhz c ob output capacitance ( v cb = -10v, f = 1.0mhz ) --- --- 4.5 pf classification of h fe rank at bt ct marking3e 3f 3g mcc revision: a 2011/01/01 inches mm dim min max min max note a .059 .067 1.50 1.70 b .030 .033 0.75 0.85 c .057 .069 1.45 1.75 d .020 nominal 0.50nominal e .035 .043 0.90 1.10 g .000 .004 .000 .100 h .028 .031 .70 0.80 j .004 .008 .100 .200 k .010 .014 .25 .35 a c b d e g h j k e b c sot-523 www. mccsemi .com 1 of 3 tm micro commercial components
omponents 20736 marilla street chatsworth
epoxy meets ul 94 v-0 flammability rating moisture sensitivity level 1 ? lead free finish/rohs compliant ("p"suffix designates compliant. see ordering information)
bc857at,bt,ct typical characteristics mcc tm micro commercial components revision: a 2011/01/01 www. mccsemi .com 2 of 3
mcc tm micro commercial components eision 2 11 1 1 mccsemi com 3 of 3 device packing part number-tp tape&reel: 3kpcs/reel ordering information : *** i m p o r t a n t n o t ic e * ** m i c r o c o m m e r c i a l c o m p on e n ts c o r p . r e s e rve s t h e r i g h t t o m a k e c h a n g e s w i t ho u t f u r t h e r no t i c e t o a n y p r o d u c t h e r e i n t o m a k e c o rr e c t i o n s , m o d i f i c a t i o n s , e n h a n c e m e n t s , i m pr o v e m e n t s , o r o t h e r ch a n g e s . m i c r o c o m m e r c i a l c o mp o n e n ts c o r p . d o e s n o t a s s u m e a n y l i a b i l i t y a r i s i n g ou t o f t h e a p p l i c a t i on o r u s e o f a n y p r o d uc t d e sc r i be d h e r e i n ; n e i t h e r d o e s i t c o n v e y a n y li c e n s e un der i t s p a t e n t r i g h t s , n o r t h e r i g h t s o f o t h e r s . t h e u s e r o f pr o d uc t s i n s u c h a p p l i c a t i o n s sh a l l a ss u m e a l l r i s k s o f su c h u s e a n d w ill a g r ee t o h o l d m i c r o c o mm er c i a l c o m p o n e n t s c o r p . a n d a ll t h e c o m p a n i e s w ho s e p r o d u c t s a r e r e p r e s e n t ed o n ou r w e b s i t e , h a r m l e s s a g a i n s t a l l d a m a g e s. * * * l i f e s u p p o r t *** m c c ' s pr o d uc t s a r e n o t a u t h o r iz ed f o r u s e a s c r i t i c a l c o m p o n e n t s i n l i f e s u pp o r t d e v i c e s o r s y s t e m s w i t h ou t t h e e x pre ss wr i tt e n a p p r o v a l o f m i c r o c o mm e r c i a l c o m p o n e n t s c o rp o r a t i o n. * * * c u s t o m e r a w a r e n e ss*** c o un t e r f e i t i n g o f s e m i c o n d u c t o r p a r t s i s a gr o w i n g p r o b l e m i n t h e i n d u s t ry . m i c r o c o mm e r c i a l c o m p o n e n t s ( m cc ) i s t a k i n g s t r o n g m e a su r e s t o p r o t e c t ou r s e l v e s a n d o u r cu s t o m e r s f r o m t h e pr o l i f e r a t i on o f c o u n t e r f e i t p a r t s . m c c s t r o n g l y e nc o u r a g e s c u s t o m e r s t o p u r c h a s e m c c p a r t s e i t h e r d i r e c t l y f r o m m c c o r f r o m a u t ho r i z e d m c c d i s t r i b u t o r s w ho a r e l i s t e d b y c o u n t r y o n o u r w e b p a g e c i t ed below . p r o d uc t s c us t o m e r s b u y e i t h e r f r o m m c c d i r e c t l y o r f r o m a u t ho r i z e d m cc d i s t r i b u t o r s a r e g e n u i n e p a r t s , h a v e f ul l t r a c e a b il i t y , m e e t m c c ' s q u a l i t y s t a n d a r d s f o r h a n d li n g a n d s t o r a g e . m c c wi l l n o t p r o v i d e a n y w a rr a n ty c o v e r a g e o r o t h e r a s s i s t a n c e f o r p a r ts b o u g h t f r o m u n a u t h o r i z e d s o u r c e s. m c c i s c o m m i t t e d t o c o m b a t t h i s g l o b a l pr o b l e m a n d e n c ou r a g e o u r c u s t o m e r s t o d o t h e i r p a r t in s t o p p i n g t h i s p r a c t i c e b y b u y i n g d i r e c t o r f r o m a u t h o r i z ed d i s t r i b u t o r s.
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