BC856W series bc857w series surface mount pnp silicon transistor description: the central semiconductor BC856W and bc857w series types are pnp silicon transistors manufactured by the epitaxial planar process, epoxy molded in a supermini tm surface mount package, designed for general purpose switching and amplifier applications. marking code: see marking code table on following page note: reverse lead codes available, add r to the end of the part # and marking code. maximum ratings: (t a =25c) symbol bc857w BC856W units collector-base voltage v cbo 50 80 v collector-emitter voltage v ceo 45 65 v emitter-base voltage v ebo 5.0 v continuous collector current i c 100 ma peak collector current i cm 200 ma peak base current i bm 200 ma power dissipation p d 275 mw operating and storage junction temperature t j , t stg -65 to +150 c thermal resistance ja 455 c/w electrical characteristics: (t a =25c unless otherwise noted) symbol test conditions min max units i cbo v cb =30v 15 na i cbo v cb =30v, t a =150c 4.0 a i ebo v eb =5.0v 100 na bv cbo i c =10a (bc857w) 50 v bv cbo i c =10a (BC856W) 80 v bv ceo i c =10ma (bc857w) 45 v bv ceo i c =10ma (BC856W) 65 v bv ebo i e =10a 5.0 v v ce(sat) i c =10ma, i b =0.5ma 0.30 v v ce(sat) i c =100ma, i b =5.0ma 0.65 v v be(sat) i c =100ma, i b =5ma 0.95 v v be(on) i c =2.0ma, v ce =5.0v 0.60 0.75 v v be(on) i c =10ma, v ce =5.0v 0.82 v c ib v eb =0.5v, i c =0, f=1.0mhz 12 pf c ob v cb =10v, i e =0, f=1.0mhz 5.0 pf f t v ce =5.0v, i c =10ma, f=100mhz 100 mhz nf v ce =5.0v, i c =200a, r s =2.0k , f=1.0khz, bw=200hz 10 db bc856aw bc856bw bc857aw bc857bw bc857cw min max min max min max h fe v ce =5.0v, i c =2.0ma 125 250 220 475 420 800 sot-323 case r1 (20-november 2009) www.centralsemi.com
BC856W series bc857w series surface mount pnp silicon transistor sot-323 case - mechanical outline lead code: * reverse lead codes available, add r to the end of the part # and marking code. standard 1) base 2) emitter 3) collector *reverse 1) emitter 2) base 3) collector device marking code bc856aw 3at bc856bw 3bt bc857aw 3et bc857bw 3ft bc857cw 3gt www.centralsemi.com r1 (20-november 2009)
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