2SA1891

Features of the 2SA1891 are:(1)low collector saturation voltage:VCE(sat)=-0.5V(Max.)(IC=-1A);(2)high collector power dissipation:PC=1.3W(Ta=25);(3)high speed switching time:tstg=300ns(Typ.);(4)complementary to 2SC5028.

The absolute maximum ratings of the 2SA1891 can be summarized as:(1):the characteristic is collector-base voltage,the symbol is VCBO,the rating is -60,the unit is V;(2):the characteristic is collector-emitter voltage,the symbol is VCEO,the rating is -50,the unit is V;(3):the characteristic is cemitter-base voltage,the symbol is VEBO,the rating is -6,the unit is V;(4):the characteristic is collector current,the symbol is IC,the rating is -2,the unit is A;(5):the characteristic is base current,the symbol is IB,the rating is -0.2,the unit is A;(6):the characteristic is collector power dissipation,the symbol is PC,the rating is 1.3,the unit is W;(7):the characteristic is junction temperature,the symbol is Tj,the rating is 150,the unit is ;(8):the characteristic is storage temperature range,the symbol is Tstg,the rating is -55 to 150,the unit is .  

The electrical characteristics of the 2SA1891 can be summarized as:(1):the characteristic is collector cut-off current,the symbol is ICBO,the Max is -1.0,the unit is A;(2):the characteristic is emitter cut-off current,the symbol is IEBO,the Max is -1.0,the unit is A;(3):the characteristic is collector-emitter breakdown voltage,the symbol is V(BR)CEO,the Min is -50,the unit is V;(4):the characteristic is DC current gain,the symbol is hFE(1),the Min is 120,the Max is 400;(5):the characteristic is DC current gain,the symbol is hFE(2),the Min is 40;(6):the characteristic is collector-emitter saturation voltage,the symbol is VCE(sat),the Max is -0.5,the unit is V;(7):the characteristic is base-emitter voltage,the symbol is VBE(sat),the Max is -1.2,the unit is V;(8):the characteristic is transition frequency,the symbol is fT,the Typ is 100,the unit is MHz;(9):the characteristic of 2SA1891 is collector output capacitance,the symbol is Cob,the Typ is 23,the unit is pF;(10):the characteristic is switching time rise time,the symbol is ton,the Max is 0.1,the unit is s;(11):the characteristic is switching time storage time,the symbol is tstg,the Max is 0.3,the unit is s;(12):the characteristic is switching time fall time,the symbol is tf,the Max is 0.1,the unit is s.