2SA1900 electrical characteristics ta = 25 parameter symbol testconditons min typ max unit collector-base breakdown voltae bv cbo i c = -50a -60 v collector-emitter breakdown voltage bv ceo i c = -1ma -50 v emitter-base breakdown voltage bv ebo i e = -50a -5 v collector cutoff current i cbo v cb = -40v -0.1 a emitter cutoff current i ebo v eb =-4v -0.1 a collector-emitter saturation voltage v ce(sat) i c /i b = -500ma/-50ma -0.4 v dc current transfer ratio h fe v ce /i c = -3v/-0.5a 120 270 transition frequency f t v ce =-5v,i e = 50ma , f=100mhz 150 mhz output capacitance c ob v cb = -10v , i e = 0a , f=1mhz 20 pf marking marking alq features low saturation voltage, typically v ce(sat) = ?0.15v at ic / i b = ?500ma / ?50ma p c =2w (on 40x40x0.7mm ceramic board) absolute maximum ratings ta = 25 parameter symbol rating unit collector-emitter voltage v ceo -60 v collector-base voltage v cbo -50 v emitter-base voltage v ebo -5 v -1 a -2 a(pulse) *1 0.5 w 2w*2 jumction temperature t j 150 storage temperature t stg -55to+150 *1 single pulse pw=20ms, duty=1/2 *2 when mounted on a 40x40x0.7mm seramic board. collector current i c collector power dissipation p c sales@twtysemi.com 1 of 1 http://www.twtysemi.com smd type ic smd type product specification 4008-318-123
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