s m a l l s i g n a l t r a n s i s t o r rohs device features -power dissipation p cm : 0.15w (@t a =25c) -collector current i cm : -0.1a -collector-base voltage v cbo : bc856w= -80v bc857w= -50v bc858w= -30v -operating and storage junction temperature range: t j , t stg = -65 to +150c mechanical data -case: sot -323, molded plastic. -t erminals: solderable per mil-std-750, method 2026. circuit diagram bc856a w -g thru. bc858cw -g (pnp) collector-base v oltage collector-emitter v oltage emitter-base v oltage collector current -continuous s t o r a g e t e m p e r a t u r e r a n g e units symbol parameter v alue 3 1 2 v cbo v ceo v ebo i c p c -80 -50 -30 -65 -45 -30 -5 1 5 0 v v v a m w d i m e n s i o n s i n i n c h e s a n d ( m i l l i m e t e r ) s o t - 3 2 3 1 2 3 0 . 0 8 7 ( 2 . 2 0 ) 0 . 0 7 9 ( 2 . 0 0 ) 0 . 0 9 6 ( 2 . 4 5 ) 0 . 0 8 5 ( 2 . 1 5 ) 0 . 0 1 6 ( 0 . 4 0 ) 0 . 0 0 8 ( 0 . 2 0 ) 0 . 0 5 3 ( 1 . 3 5 ) 0 . 0 4 5 ( 1 . 1 5 ) 0 . 0 3 9 ( 1 . 0 0 ) 0 . 0 3 5 ( 0 . 9 0 ) 0 . 0 1 0 ( 0 . 2 6 ) 0 . 0 0 4 ( 0 . 1 0 ) m a x 0 . 0 0 6 ( 0 . 1 5 ) 0 . 0 0 3 ( 0 . 0 8 ) 0 . 0 5 5 ( 1 . 4 0 ) 0 . 0 4 7 ( 1 . 2 0 ) 0 . 0 1 8 ( 0 . 4 6 ) j u n c t i o n t e m p e r a t u r e t j 1 5 0 o c collector power dissipation bc856w -g bc858w -g bc857w -g bc856w -g bc858w -g bc857w -g -0.1 -1.base -2.emitter -3.collect or t s t g - 6 5 t o + 1 5 0 o c -ideally suited for automatic insertion -for switching and af amplifier applications maximum ratings (at t a=25c unless otherwise noted) comchip t echnology co., l td. page 1 rev :b qw -btr36 company reserves the right to improve product design , functions and reliability without notice.
electrical characteristics ( t a = 25 c unless otherwise specified) comchip t echnology co., l td. page 2 rev :b s m a l l s i g n a l t r a n s i s t o r qw -btr36 collector-base breakdown v oltage collector-emitter breakdown v oltage emitter-base break v oltage down collector cut-of f current collector-emitter saturation v oltage units symbol parameter min v cbo v ceo v ebo i cbo v ce(sat) c o b -80 -50 -30 -65 -45 -30 -5 -15 4 . 5 v v v na t est conditions i c = -10 a , i e =0 i c = -10ma , i b =0 i e = -1 a , i c =0 v cb = -30v , i e =0 max dc current gain h fe bc856a w ,857a w ,858a w bc856bw ,857bw ,858bw bc857cw ,858cw v ce = -5v , i c = -2ma 250 475 800 i c =-100ma , i b =-5ma -0.65 base-emitter saturation v oltage v be(sat) v i c =-100ma , i b =-5ma t ransition frequency f t mh z 1 0 0 v ce =-5v , i c =-10ma f=100mh z collector capacitance v cb =-10v , f=1mh z pf bc856w -g bc858w -g bc857w -g bc856w -g bc858w -g bc857w -g -1.1 125 220 420 company reserves the right to improve product design , functions and reliability without notice. v
electrical characteristic curves (bc856a w -g thru. bc858cw -g) v b e ( m v ) -400 -1200 comchip t echnology co., l td. page 3 rev :b -10 -10 -200 -1 -800 s m a l l s i g n a l t r a n s i s t o r qw -btr36 i c (ma) -600 -1000 0 -2 -10 -1 -10 2 -10 3 t am b= -5 5 c t a m b = 2 5 c t a m b = 1 5 0 c bc857a w;v ce = -5v fig.2- base-emitter v oltage as a function of collector current;typical values v b e s a t ( m v ) -400 -1200 -10 -10 -200 -1 -800 i c (ma) -600 -1000 0 -1 -10 2 -10 3 bc857a w;i c /i b = 20 t am b= -5 5 c t am b= 25 c t am b= 15 0 c fig.4- base-emitter saturation voltage as a function of collector current; typical values h f e 200 500 100 400 i c (ma) 300 0 fig.1- dc current gain as a function fo collector current ;typical values. -10 -10 -1 -2 -10 -1 -10 2 -10 3 bc857a w;v ce = -5v t amb=150c t amb=25c t amb=-55c v c e s a t ( m v ) -10 -10 -1 i c (ma) -1 -10 2 -10 3 fig.3- collector-emitter saturation voltage as a function of collector current; typical values. -10 4 -10 3 -10 2 -10 t amb=25c t amb=-55c t amb=150c bc857a w;i c /i b = 20 fig.6- base-emitter voltage as a function v b e ( m v ) -400 -1200 -10 -10 -200 -1 -800 i c (ma) -600 -1000 0 -2 -10 -1 -10 2 -10 3 t am b= -5 5 c t a m b = 2 5 c t a m b = 1 5 0 c bc857bw;v ce =-5v of collector current;typical values. h f e 400 1000 200 800 i c (ma) 600 0 fig.5- dc current gain as a function fo collector current ;typical values. -10 -10 -1 -2 -10 -1 -10 2 -10 3 bc857bw;v ce = -5v t amb=150c t amb=25c t amb=-55c company reserves the right to improve product design , functions and reliability without notice.
electrical characteristic curves (bc856a w -g thru. bc858cw -g) v b e ( m v ) -400 -1200 comchip t echnology co., l td. page 4 rev :b -10 -10 -200 -1 -800 s m a l l s i g n a l t r a n s i s t o r qw -btr36 i c (ma) -600 -1000 0 -2 -10 -1 -10 2 -10 3 t am b= -5 5 c t a m b = 2 5 c t a m b = 1 5 0 c bc857cw;v ce = -5v fig.10- base-emitter v oltage as a function of collector current;typical values v b e s a t ( m v ) -400 -1200 -10 -10 -200 -1 -800 i c (ma) -600 -1000 0 -1 -10 2 -10 3 bc857bw;i c /i b = 20 t am b= -5 5 c t am b= 25 c t am b= 15 0 c fig.8- base-emitter saturation v oltage as a function of collector current;typical values h f e 400 1000 200 800 i c (ma) 600 0 fig.9- dc current gain as a function fo collector current ;typical values. -10 -10 -1 -2 -10 -1 -10 2 -10 3 bc857cw;v ce = -5v t a m b = 1 5 0 c t amb=25c t amb=-55c v c e s a t ( m v ) -10 -10 -1 i c (ma) -1 -10 2 -10 3 fig.7- collector-ernitter saturation voltage as a function of collector current typical values. -10 4 -10 3 -10 2 -10 t amb=25c t amb=-55c t amb=150c bc857bw;i c /i b = 20 v b e s a t ( m v ) -400 -1200 -10 -10 -200 -1 -800 i c (ma) -600 -1000 0 -1 -10 2 -10 3 bc857cw;i c /i b = 20 t am b= -5 5 c t am b= 25 c t am b= 15 0 c fig.12- base-emitter saturation v oltage as a function of collector current;typical values v c e s a t ( m v ) -10 -10 -1 i c (ma) -1 -10 2 -10 3 fig.1 1- collector-ernitter saturation voltage as a function of collector current; typical values. -10 4 -10 3 -10 2 -10 t amb=25c t amb=-55c t amb=150c bc857cw;i c /i b = 20 company reserves the right to improve product design , functions and reliability without notice.
qw -btr36 comchip t echnology co., l td. page 5 rev :b b c d d d 2 d 1 s o t - 3 2 3 s y m b o l a ( m m ) ( i n c h ) 2 . 1 4 2 0 . 0 1 6 4 . 0 0 0 . 1 0 1 . 5 5 + 0 . 1 0 5 4 . 4 0 0 . 4 0 1 3 . 0 0 . 2 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 1 0 1 7 8 1 . 0 0 0 . 0 6 1 0 . 0 0 4 + 7 . 0 0 8 0 . 0 3 9 0 . 5 1 2 0 . 0 0 8 s y m b o l ( m m ) ( i n c h ) 0 . 1 5 8 0 . 0 0 4 0 . 1 5 8 0 . 0 0 4 0 . 0 7 9 0 . 0 0 4 e f p p 0 p 1 w w 1 1 . 7 5 0 . 1 0 0 . 0 6 9 0 . 0 0 4 3 . 5 0 0 . 0 5 0 . 1 3 8 0 . 0 0 2 s o t - 3 2 3 2 . 2 5 0 . 1 0 0 . 0 8 9 0 . 0 0 4 2 . 5 5 0 . 1 0 0 . 1 0 0 0 . 0 0 4 1 . 1 9 0 . 1 0 0 . 0 4 7 0 . 0 0 4 9 . 5 0 1 . 0 0 0 . 3 7 4 0 . 0 3 9 8 . 0 0 0 . 3 0 / + C 0 . 1 0 0 . 3 1 5 0 . 0 1 2 / + C 0 . 0 0 4 s m a l l s i g n a l t r a n s i s t o r reel t aping specification o 1 2 0 t railer device leader 10 pitches (min) 10 pitches (min) ....... ....... ....... ....... ....... ....... ....... ....... end start d 1 d 2 d w 1 t c direction of feed i n d e x h o l e d e f b w p p 0 p 1 a company reserves the right to improve product design , functions and reliability without notice.
qw -btr36 comchip t echnology co., l td. page 6 rev :b suggested p ad layout size (inch) 0.031 (mm) 0.80 1.30 1.94 0.051 0.076 sot -323 2.74 0.108 a b c d part number bc856a w -g marking code 3a marking code bc857a w -g 3e bc858a w -g 3j xx 3 1 2 xx = product type marking code bc856bw -g 3b bc857bw -g 3f bc858bw -g 3k bc857cw -g 3g bc858cw -g 3l s m a l l s i g n a l t r a n s i s t o r a c b d standard packaging c a s e t y p e s o t - 3 2 3 3 , 0 0 0 r e e l ( p c s ) reel size (inch) 7 r e e l p a c k company reserves the right to improve product design , functions and reliability without notice.
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