QST7

Features of the QST7 are:(1)a collector is large;(2)collector saturation voltage is low.VCE(sat) -370mV at IC = -1A/IB = -50mV.Applications of the QST7 are:(1)low frequency amplifier;(2)driver.

The absolute maximum ratings of the QST7 can be summarized as:(1):the parameter is collector-base voltage,the symbol is VCBO,the limits is -30,the unit is V;(2):the parameter is collector-emitter voltage,the symbol is VCEO,the limits is -30,the unit is V;(3):the parameter is emitter-base voltage,the symbol is VEBO,the limits is -6,the unit is V;(4):the parameter is collector current,the symbol is IC,the limits is -1.5,the unit is A;(5):the parameter is collector current,the symbol is ICP,the limits is -3,the unit is A;(6):the parameter is power dissipation,the symbol is PC,the limits is 500,the unit is mW/TOTAL;(7):the parameter is junction temperature,the symbol is Tj,the limits is 150,the unit is ;(8):the parameter is range of storage temperature,the symbol is Tstg,the limits is -55 to +150,the unit is .

The electrical characteristics of the QST7 can be summarized as:(1):the parameter is collector-base breakdown voltage,the symbol is BVCBO,the limits is -30,the unit is V;(2):the parameter is collector-emitter breakdown voltage,the symbol is BVCEO,the limits is -30,the unit is V;(3):the parameter is emitter-base breakdown voltage,the symbol is BVEBO,the limits is -6,the unit is V;(4):the parameter is collector cutoff current,the symbol is ICBO,the limits is -100,the unit is nA;(5):the parameter is emitter cutoff current,the symbol is IEBO,the limits is -100,the unit is nA;(6):the parameter is collector-emitter saturation voltage,the symbol is VCE(sat),the limits is -200 to -370,the unit is mV;(7):the parameter is DC current gain,the symbol is fFE,the limits is 270 to 680;(8):the parameter is transition frequency,the symbol is fT,the limits is 280,the unit is MHz;(9):the parameter is corrector output capacitance,the symbol is Cob,the limits is 13,the unit is pF.