2SA1797 features low saturation voltage. v ce(sat) =-0.35v(max.) at i c /i b =-1a/-50ma. excellent dc current gain characteristics. complements the 2SA1797 and 2sc4672. 1.80 +0.1 -0.1 4.50 +0.1 -0.1 2.50 +0.1 -0.1 0.80 +0.1 -0.1 4.00 +0.1 -0.1 0.53 +0.1 -0.1 0.48 +0.1 -0.1 1.50 +0.1 -0.1 0.44 +0.1 -0.1 2.60 +0.1 -0.1 0.40 +0.1 -0.1 3.00 +0.1 -0.1 sot-89 unit: mm 1. base 2. collector 3. emiitter absolute maximum ratings ta = 25 parameter symbol rating unit collector-emitter voltage v ceo -50 v collector-base voltage v cbo -50 v emitter-base voltage v ebo -6 v collector current i c -3 a collector power dissipation p c 0.5 w jumction temperature t j 150 storage temperature t stg -55to+150 electrical characteristics ta = 25 parameter symbol testconditons min typ max unit collector-emitter breakdown voltage bv ceo i c = -1ma -50 v collector-base breakdown voltae bv cbo i c =-50 a -50 v emitter-base breakdown voltage bv ebo i e =-50 a -6 v collector cutoff current i cbo v cb = -50v -0.1 a emitter cutoff current i ebo v eb =-5v -0.1 a collector-emitter saturation voltage v ce(sat) i c =-1a,i b = -50ma -0.15 -0.35 v dc current transfer ratio h fe v ce =-2v,i c = -0.5a 82 270 transition frequency f t v ce =-2v,i e = 0.5a , f = 100mhz 200 mhz output capacitance c ob v cb = -10v , i e = 0a , f = 1mhz 36 pf h fe classification marking rank p q hfe 82 180 120 270 ag sales@twtysemi.com 1 of 1 http://www.twtysemi.com product specification 4008-318-123
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