g e n e r a l p u r p o s e t r a n s i s t o r rohs device mechanical data - case: sot -23, molded plastic. - t erminals: solderable per mil-std-750, method 2026. bc856-hf thru. bc858-hf series (pnp) collector-base voltage collector-emitter voltage emitter-base voltage 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 unit symbol parameter v alue v cbo v ceo v ebo i c p c -80 -50 -30 -65 -45 -30 -5 2 5 0 v v v a m w j u n c t i o n t e m p e r a t u r e r a n g e t j - 6 5 t o + 1 5 0 c collector dissipation bc856 bc858 bc857 bc856 bc858 bc857 -0.1 t s t g - 6 5 t o + 1 5 0 c features - power dissipation p cm : 0.25w (@t a =25c) - low current.(max. 100ma) - collector-base voltage v cbo : bc856 = -80v bc857 = -50v bc858 = -30v - operating and storage junction temperature range: t j , t stg = -65 to +150c - ideally suited for automatic insertion maximum ratings (at t a=25c unless otherwise noted) comchip t echnology co., l td. page 1 rev :a qw -jtr16 circuit diagram 3 1 2 - 1.base - 2.emitter - 3.collect or company reserves the right to improve product design , functions and reliability without notice. 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 - 2 3 3 1 2 0.122(3.10) 0.106(2.70) 0.059(1.50) 0.043(1.10) 0.079(2.00) 0.071(1.80) 0.039(1.00) t yp. 0.016(0.40) t yp. 0.004(0.10) t yp. 0.102(2.60) 0.087(2.20) halogen free 0.004(0.10) 0.001(0.02)
electrical characteristics ( t a = 25c unless otherwise specified) comchip t echnology co., l td. page 2 rev :a g e n e r a l p u r p o s e t r a n s i s t o r qw -jtr16 company reserves the right to improve product design , functions and reliability without notice. collector-base breakdown voltage collector-emitter breakdown voltage emitter-base break voltage down collector cut-of f current c ol le ct or -e m itt er s at ur at io n vo lta ge unit symbol parameter min v (br)cbo v ceo (br) v (br)ebo i cbo v ce(sat) -80 -50 -30 -65 -45 -30 -5 -15 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 ,857a ,858a bc856b ,857b ,858b bc857c ,858c v ce = -5v , i c = -2.2ma 250 475 800 -0.65 base-emitter saturation voltage v be(sat) v t ransition frequency f t mh z 1 0 0 v ce =-5v , i c =-10ma f=100mh z bc856 bc858 bc857 bc856 bc858 bc857 125 220 420 v i c =-100ma , i b =-5ma i c =-10ma , i b =-0.5ma -0.3 i c =-10ma , i b =-0.5ma i c =-100ma , i b =-5ma typ -1 -0.7 -0.85 base-emitter voltage v be(on) v i c =-2ma , v ce =-5v i c =-10ma , =-5v v ce -0.65 -0.82 -0.6 -0.75 c c 4 . 5 collector capacitance pf f 1 0 t ransition frequency db i c =-200ua, v ce =-5v r s =2k ,f=1khz, b=200hz 2 v cb =-10v , i e =i e =0 f=1mh z emitter cut-of f current i ebo -0.1 a v eb = -5v , i c =0
electrical characteristic curves (bc856-hf thru. bc858-hf series) v b e , ( m v ) -400 -1200 comchip t echnology co., l td. page 3 rev :a -200 -800 g e n e r a l p u r p o s e t r a n s i s t o r qw -jtr16 i c , (ma) -600 -1000 0 t am b= -5 5 c t a m b = 2 5 c t a m b = 1 5 0 c bc857a;v ce = -5v fig.2 - base-emitter voltage as a function of collector current; typical values v b e s a t , ( m v ) -400 -1200 -10 -200 -1 -800 i c , (ma) -600 -1000 0 -10 -1 -10 2 -10 3 bc857a;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. bc857a;v ce = -5v t amb=150c t amb=25c t amb=-55c v c e s a t , ( m v ) i c, (ma) 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;i c /i b = 20 v b e , ( m v ) -400 -1200 -10 -200 -1 -800 i c , (ma) -600 -1000 0 -10 -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 bc857b;v ce =-5v fig. 6 - base-emitter voltage as a function 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. bc857b;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. -10 -1 -10 -2 -10 -1 -10 2 -10 3 -10 -1 -10 -2 -10 2 -10 3 -10 -1 -10 -1 -10 -2 -10 2 -10 3 -10 -1 -10 -1 -10 -1 -10 2 -10 3
electrical characteristic curves (bc856-hf thru. bc858-hf series) v b e , ( m v ) -400 -1200 comchip t echnology co., l td. page 4 rev :a -200 -800 g e n e r a l p u r p o s e t r a n s i s t o r qw -jtr16 i c , (ma) -600 -1000 0 t am b= -5 5 c t a m b = 2 5 c t a m b = 1 5 0 c bc857c;v ce = -5v fig.10 - base-emitter voltage as a function of collector current; typical values v b e s a t , ( m v ) -400 -1200 -200 -800 i c , (ma) -600 -1000 0 bc857b;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 voltage as a function of collector current; values typical 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. bc857c;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 ) i c , (ma) fig.7 - 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 bc857b;i c /i b = 20 v b e s a t , ( m v ) -400 -1200 -200 -800 i c , (ma) -600 -1000 0 bc857c;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 voltage as a function of collector current; typical values fig.1 1 - collector-emitter saturation voltage as a function of collector current; typical values. company reserves the right to improve product design , functions and reliability without notice. v c e s a t , ( m v ) i c , (ma) bc857c;i c /i b = 20 t amb=25c t amb=-55c t amb=150c -10 -1 -10 -1 -10 2 -10 3 -10 4 -10 3 -10 2 -10 -10 -1 -10 -2 -10 -1 -10 2 -10 3 -10 -1 -10 -1 -10 2 -10 3 -10 -1 -10 -1 -10 2 -10 3 -10 -1 -10 -1 -10 2 -10 3 -10 -1 -10 -1 -10 2 -10 3
g e n e r a l p u r p o s e t r a n s i s t o r comchip t echnology co., l td. page 5 rev :a qw -jtr16 company reserves the right to improve product design , functions and reliability without notice. reel t aping specification reel t aping specification b c d d d 2 d 1 s o t - 2 3 s y m b o l a ( m m ) ( i n c h ) 2 . 1 4 2 0 . 0 2 0 4 . 0 0 0 . 1 0 1 . 5 0 0 . 1 0 5 4 . 4 0 0 . 5 0 1 3 . 0 0 0 . 5 0 4 . 0 0 0 . 1 0 2 . 0 0 0 . 0 5 1 7 8 . 0 0 1 . 0 0 0 . 0 5 9 0 . 0 0 4 7 . 0 0 8 0 . 0 3 9 0 . 5 1 2 0 . 0 2 0 s y m b o l ( m m ) ( i n c h ) 0 . 1 5 7 0 . 0 0 4 0 . 0 7 9 0 . 0 0 2 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 - 2 3 3 . 1 5 0 . 1 0 0 . 1 2 4 0 . 0 0 4 2 . 7 7 0 . 1 0 0 . 1 0 9 0 . 0 0 4 1 . 2 2 0 . 1 0 0 . 0 4 8 0 . 0 0 4 1 2 . 5 0 1 . 0 0 0 . 4 9 2 0 . 0 3 9 8 . 0 0 + 0 . 3 0 / - 0 . 1 0 0 . 3 1 5 + 0 . 0 1 2 / - 0 . 0 0 4 xx d f e b p 1 p 0 o 1 2 0 d 1 d 2 d w 1 w 0 . 1 5 7 0 . 0 0 4
qw -jtr16 comchip t echnology co., l td. page 6 rev :a part number bc856a-hf marking code 3a marking code BC857A-HF 3e bc858a-hf 3j xx 3 1 2 xx = product type marking code bc856b-hf 3b bc857b-hf 3f bc858b-hf 3k bc857c-hf 3g bc858c-hf 3l g e n e r a l p u r p o s e t r a n s i s t o r company reserves the right to improve product design , functions and reliability without notice. standard packaging case t ype qty per reel (pcs) 3,000 sot -23 reel size (inch) 7 suggested p ad layout a d c size (inch) 0.035 (mm) 0.90 0.80 2.00 0.031 0.079 sot -23 a b d b 1.90 0.075 c
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