kst-i010-002 1 2SA1979M pnp silicon transistor description ? medium power amplifier features ? large collector current : i cmax =-500ma ? suitable for low-voltage operation because of its low saturation voltage ? complementary pair with 2sc5342m ordering information type no. marking package code 2SA1979M 1979 to-92m outline dimensions unit : mm s s e e m m i i c c o o n n d d u u c c t t o o r r pin connections 1. emitter 2. collector 3. base 13.6~14.4 3.9~4.1 0.44 ref 0.52 ref 2.9~3.1 1.27 typ. 2.44~2.64 2.9~3.1 3.8 min. 0.42 typ. 0.7 typ. 1 2 3
kst-i010-002 2 2SA1979M absolute maximum ratings (ta=25 c) characteristic symbol ratings 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 400 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-base breakdown voltage bv cbo i c =-100 a, 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 =-10 a, i c =0 -5 - - 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 transistor 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
kst-i010-002 3 2SA1979M 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 fig. 4 v ce(sat) - i c fi g . 1 pc - ta
kst-i010-002 4 2sa1980m these auk products are intended for usage in general electronic equipments(office and communication equipment, measuring equipmen t, domestic electrification, etc.). please make sure that you consult with us before you use these auk products in equipm- ents which require high quality and/or reliabi lity, and in equipments which could have major impact to the welfare of human life(atom ic energy control, airplane, spaceship, traffic signal, combustion central, all ty pes of safety device, etc.). auk cannot accept liability to any damage which may occur in case these auk products were used in the mentioned equipments without prior consultation with auk.
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