2SA1721

Features of the 2SA1721 are:(1)high voltage :VCBO=-300V,VCEO=-300V;(2)low saturation voltage:VCE(sat)=-0.5V(Max);(3)small collector output capacitance:Cob=5.5pF(Typ.);(4)complementary to 2SC4497.

The absolute maximum ratings of the 2SA1721 can be summarized as:(1):the characteristic is collector-base voltage,the symbol is VCBO,the rating is -300,the unit is V;(2):the characteristic is collector-emitter voltage,the symbol is VCEO,the rating is -300,the unit is V;(3):the characteristic is cemitter-base voltage,the symbol is VEBO,the rating is -5,the unit is V;(4):the characteristic is collector current,the symbol is IC,the rating is -100,the unit is mA;(5):the characteristic is base current,the symbol is IB,the rating is -20,the unit is mA;(6):the characteristic is collector power dissipation,the symbol is PC,the rating is 150,the unit is mW;(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 2SA1721 can be summarized as:(1):the characteristic is collector cut-off current,the symbol is ICBO,the Max is -0.1,the unit is A;(2):the characteristic is emitter cut-off current,the symbol is IEBO,the Max is -0.1,the unit is A;(3):the characteristic is collector-emitter breakdown voltage,the symbol is V(BR)CEO,the Min is -300,the unit is V;(4):the characteristic is collector-base breakdown voltage,the symbol is V(BR)CBO,the Min is -300,the unit is V;(5):the characteristic of 2SA1721 is DC current gain,the symbol is hFE(1),the Min is 30,the Max is 150;(6):the characteristic is DC current gain,the symbol is hFE(2),the Min is 20;(7):the characteristic is collector-emitter saturation voltage,the symbol is VCE(sat),the Max is -0.5,the unit is V;(8):the characteristic is base-emitter voltage,the symbol is VBE(sat),the Min is -1.2,the unit is V;(9):the characteristic is transition frequency,the symbol is fT,the Min is 50,the Typ is 55,the unit is MHz;(10):the characteristic is collector output capacitance,the symbol is Cob,the Typ is 5.5,the Max is 6.0,the unit is pF.