ksd-t5d037-000 1 BC857U pnp silicon transistor sot-323 pin connection descriptions ? general purpose application ? switching application features ? high voltage : v ceo =-45v ? complementary pair with bc847u ordering information type no. marking package code bv BC857U sot-323 device code hfe rank year&week code absolute maximum ratings (ta=25 c) characteristic symbol ratings unit collector-base voltage v cbo -50 v collector-emitter voltage v ceo -45 v emitter-base voltage v ebo -5 v collector current i c -100 ma collector dissipation p c 200 mw junction temperature t j 150 c storage temperature t stg -55~150 c electrical characteristics (ta=25 c) characteristic symbol test condition min. typ. max. unit collector-emitter breakdown voltage bv ceo i c =-2ma, i b =0 -45 - - v base -emitter turn on voltage v be(on) v ce =-5v, i c =-2ma - - -700 mv base -emitter saturation voltage v be(sat) i c =-100ma, i b =-5ma - -900 - mv collector-emitter saturation voltage v ce(sat) i c =-100ma, i b =-5ma - - -650 mv collector cut-off current i cbo v cb =-35v, i e = 0 - - -15 na dc current gain h fe * v ce =-5v, i c =-2ma 110 - 800 - transition frequency f t v cb =-5v, i c =-10ma - 150 - mhz collector output capacitance c ob v cb =-10v, i e =0, f=1mhz - - 4.5 pf noise figure nf v ce =-5v, i c =-200 a, f=1khz,rg=2k - - 10 db * : h fe rank / a : 110 ~ 220, b : 200 ~ 450, c : 420 ~ 800 1 2 3
ksd-t5d037-000 2 BC857U electrical characteristic curves fig. 3 i c- v ce fig. 4 h fe- i c fig. 5 v ce(sat)- i c fig. 2 i c- v be fig. 1 p c -t a
ksd-t5d037-000 3 bc857 outline dimension recommend pcb solder land [unit: mm]
ksd-t5d037-000 4 bc857 the auk corp. products are intended for the use as components in general electronic equipment (office and co mmunication equipment, m easuring equipment, home appliance, etc.). please make sure that you consult with us before you use these auk corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to th e welfare of human life(atomi c energy control, airplane, spaceship, transportation, co mbustion control, all types of safety device, etc.). auk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equi pments without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice.
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