sot-23 epitaxial planar die construction surface device type mounting moisture sensitivity level 1 matte tin(sn) lead finish with nickel(ni) underplate pb free version and rohs compliant case : sot- 23 small outline plastic package weight : 0.008 grams (approximately) maximum ratings and el ectrical characteristics rating at 25c ambient temperature unless otherwise specified. maximum ratings symbol units p d mw bc856 bc857 bc858 bc856 bc857 bc858 v ebo v i c a t j , t stg c notes : 1. valid provided that electrodes are kept at ambient temperature features high temperature soldering guaranteed : 260c/10s v -30 -65 -45 -30 small signal product green compound (halogen free) with suffix "g" on packing code and prefix "g" on date code parameter -80 power dissipation collector-base voltage collector-emitter voltage v cbo v ceo version : f14 emitter-base voltage collector current junction and storage temperature range -5 -0.1 -55 to + 150 bc856a/b, bc857a/b/c, bc858a/b/c 200mw, pnp small signal transistor v mechanical data terminal : matte tin pl ated, lead free, solderable per mil-std-202, method 208 guaranteed value 200 -50
electrical characteristics ( t a = 25 o c unless otherwise noted ) symbol min max units -80 collector-base breakdown voltage i c = -10 ai e = 0 -50 -30 -65 collector-emitter breakdown voltage i c = -10ma i b = 0 -45 -30 emitter-base breakdown voltage i e = -1 ai c = 0 v (br)ebo -5 - v v cb = -70v - -100 v cb = -45v - -100 v cb = -25v - -100 emitter cut-off current v eb = -5v i c =0 i ebo --0.1 a 125 250 dc current gain v ce = -5v i c = -2ma h fe 220 475 420 800 i c = -100ma i b = -5ma v ce(sat) - -0.65 v base-emitter saturation voltage i c = -100ma i b = -5ma v be(sat) --1.1v transition frequency v ce = -5v i c = -10ma f= 100mhz f t 100 - mhz bc858 collector cut-off current na i cbo i e = 0 bc857c, bc858c collector-emitter saturation voltage bc856b, bc857b, BC858B bc856 bc857 bc858 bc856 bc857 bc856a, bc857a, bc858a parameter small signal product bc856 bc857 bc858 version : f14 v (br)cbo - - v v v (br)ceo
version : f14 small signal product ratings and characteristic curves 0 5 10 15 20 25 30 35 40 45 50 0 2 4 6 8 101214161820 i c [ma], collector current v ce [v], collector-emitter voltage fig. 1 static characteristic i b = -400 a i b = -300 a i b = -250 a i b =- 200 a i b = -150 a i b = -100 a i b = -50 a 10 100 1000 -0.1 -1.0 -10.0 -100.0 fig. 2 dc current gain v ce = - 5v i c [ma], collector current h fe, dc current gain -0. -1. -10. -100. -0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -1.2 i c [ma], collector current v be [v], base-emitter voltage fig. 4 base-emitter on voltage v ce = - 5v 1 10 100 -1. -10. -100. -1000. c ob [pf], capacitance v cb [v], collector-base voltage fig.5 collector output capacitance f=1mhz i e =0 1 10 100 1000 -0. -1. -10. -100. f t [mhz], current gain-bandwidth product i c [ma], collector current fig. 6 current gain bandwidth product f=1mhz i e =0 0.01 0.1 1 10 0.1 1 10 100 fig.3 base-emitter saturation voltage vs.collector-emitter saturation i c = 10 i b i c [ma], collector current v be(sat), v ce(sat) [v], saturation voltage v be (sat) v ce (sat)
version : f14 small signal product ratings and characteristic curves 0 50 100 150 200 250 300 350 400 450 500 0.01 0.1 1 10 100 1000 h fe fig. 7 dc current gain as a function of collector current; typical values h fe -i c bc857a: vce=5v -i c (ma) ta=150 o c ta=25 o c ta=55 o c 0 200 400 600 800 1000 1200 0.01 0.1 1 10 100 1000 v be fig. 8 base-emitter voltage as a function of collector current; typical values v be -i c bc857a: vce=-5v -i c (ma) ta=150 o c ta=25 o c ta=55 o c
orderin g information ( detail , exam p le ) bc85xx (note 1) sot-23 3k / 7 " reel rfg bc856a sot-23 3k / 7 " reel rfg tape & reel specification item symbol carrier width a carrier length b carrier depth c sprocket hole d reel outside diameter d reel inner diameter d1 feed hole width d2 sprocket hole position e punch hole position f sprocket hole pitch p0 embossment center p1 overall tape thickness t tape width w reel width w1 version : f14 8.10 0.20 12.30 0.20 13.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 2.00 0.05 0.229 0.013 3.15 0.10 2.77 0.10 1.22 0.10 1.50 0.10 178 1 55 min small signal product dimension packing code (green) manufacture code rf note 1 : "xx" is device code from "6a" thru "8c". note 2 : manufacture special control, if empty means no special control requirement. rf (note 2) part no. package packing packing code
dimensions min max min max a 2.70 3.10 0.106 0.122 b 1.10 1.50 0.043 0.059 c 0.30 0.51 0.012 0.020 d 1.78 2.04 0.070 0.080 e 2.20 2.60 0.087 0.102 f 0.90 1.30 0.035 0.051 g h suggested pad layout a b c d part no. marking bc856a 3a bc856b 3b bc857a 3e bc857b 3f bc857c 3g bc858a 3j BC858B 3k bc858c 3l 0.035 unit(inch) typ. typ. version : f14 0.8 0.031 2.0 0.079 0.9 0.004 ref dim. marking 0.1 ref 0.550 ref 0.95 0.037 dim. unit(mm) small signal product 0.022 ref unit(mm) unit(inch)
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