1 emitter 2 base 3 collector 2SA1979UF features large collector current. suitable for low-voltage operation because of its low saturation voltage. absolute maximum ratings ta = 25 parameter 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 dissipation p c 200 mw junction temperature t j 150 storage temperature t stg -55to+150 electrical characteristics ta = 25 parameter symbol testconditons min typ max unit collector-base breakdown voltage bv cbo i c =-100a, i e =0 -40 v collector-emitter breakdown voltage bv ceo i c =-1ma, i b =0 -32 v emitter-base breakdown voltage bv ebo i e =-10a, i c =0 -5 v collector cutoff current i cbo v cb =-40v, i e =0 -0.1 a emitter cutoff current i ebo v eb =-5v, i c =0 -0.1 a dc current transfer ratio 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 output capacitance c ob v cb =-6v, i e =0, f=1mhz 7.5 pf h fe classification marking rank o y hfe 70 140 120 240 a smd type smd type product specification sales@twtysemi.com 1 of 1 http://www.twtysemi.com 4008-318-123
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