ksd-t5c019-002 1 b c e sot-23 2SA1979S pnp silicon transistor pin connection medium power amplifier features ? large collector current : i cmax =-500ma ? suitable for low-voltage operation because of its low saturation voltage ? complementary pair with 2sc5342s ordering information absolute maximum ratings (ta=25 c) characteristic symbol rating unit collector-base voltage v cbo -40 v collector-emitter voltage v ceo -32 v emitter-base voltage v ebo -5 v collector current i c -500 ma collector power dissipation p c 350 mw junction temperature t j 150 c storage temperature range 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 =-1ma, i b =0 -32 - - v collector cut-off current i cbo v cb =-40v, i e =0 - - -0.1 a emitter cut-off current i ebo v eb =-5v, i c =0 - - -0.1 a dc current gain h fe * v ce =-1v, i c =-100ma 70 - 240 - collector-emitter saturation voltage v ce(sat) i c =-100ma, i b =-10ma - - -0.25 v transition frequency f t v ce =-6v, i c =-20ma - 200 - mhz collector output capacitance c ob v cb =-6v, i e =0, f=1mhz - 7.5 - pf * : h fe rank / o : 70~140, y : 120~240 type no. marking package code 2SA1979S aa sot-23 device code hfe rank year&week code b e c
ksd-t5c019-002 2 2SA1979S electrical characteristic curves fig. 3 i c - v ce fig. 5 h fe - i c fig. 6 h fe - i c fig. 2 i c - v be fi g . 1 p c - t a fig. 4 v ce(sat) - i c
ksd-t5c019-002 3 2SA1979S outline dimension
ksd-t5c019-002 4 2SA1979S 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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