2SB1457

Features of the 2SB1457 are:(1)high DC current gain:hFE=200(Min.)(VCE=-2V,IC=-1A);(2)low saturation voltage:VCE(sat)=-1.5V(Max.)(IC=-1A,IB=-1mA)).

The absolute maximum ratings of the 2SB1457 can be summarized as:(1):the characteristic is collector-base voltage,the symbol is VCBO,the rating is -100,the unit is V;(2):the characteristic is collector-emitter voltage,the symbol is VCEO,the rating is -100,the unit is V;(3):the characteristic is cemitter-base voltage,the symbol is VEBO,the rating is -8,the unit is V;(4):the characteristic is collector current DC,the symbol is IC,the rating is -2,the unit is A;(5):the characteristic is collector current peak,the symbol is ICP,the rating is -3,the unit is A;(6):the characteristic is base current,the symbol is IB,the rating is -0.5,the unit is A;(7):the characteristic is collector power dissipation,the symbol is PC,the rating is 900,the unit is mW;(8):the characteristic is junction temperature,the symbol is Tj,the rating is 150,the unit is ;(9):the characteristic is storage temperature range,the symbol is Tstg,the rating is -55 to 150,the unit is . 

The electrical characteristics of the 2SB1457 can be summarized as:(1):the characteristic is collector cut-off current,the symbol is ICBO,the Max is -10,the unit is A;(2):the characteristic is emitter cut-off current,the symbol is IEBO,the Max is -4,the unit is mA;(3):the characteristic is collector-emitter breakdown voltage,the symbol is V(BR)CEO,the Min is -100,the unit is V;(4):the characteristic is DC current gain,the symbol is hFE,the Min is 2000;(5):the characteristic is collector-emitter saturation voltage,the symbol is VCE(sat),the Max is -1.5,the unit is V;(6):the characteristic of 2SB1457 is base-emitter voltage,the symbol is VBE(sat),the Max is -2.0,the unit is V;(7):the characteristic is transition frequency,the symbol is fT,the Typ is 50,the unit is MHz;(8):the characteristic is collector output capacitance,the symbol is Cob,the Typ is 27,the unit is pF;(10):the characteristic is switching time rise time,the symbol is ton,the Max is 0.4,the unit is s;(11):the characteristic is switching time storage time,the symbol is tstg,the Max is 2.0,the unit is s;(12):the characteristic is switching time fall time,the symbol is tf,the Max is 0.4,the unit is s.