2SC2644

Features of the 2SC2644 are:(1)high gain;(2)low IMD;(3)fT=4GHz(Typ.).

The absolute maximum ratings of the 2SC2644 can be summarized as:(1):the characteristic is collector-base voltage,the symbol is VCBO,the rating is 25,the unit is V;(2):the characteristic is collector-emitter voltage,the symbol is VCEO,the rating is 12,the unit is V;(3):the characteristic is cemitter-base voltage,the symbol is VEBO,the rating is 3.0,the unit is V;(4):the characteristic is collector current,the symbol is IC,the rating is 120,the unit is mA;(5):the characteristic is base current,the symbol is IB,the rating is 40,the unit is mA;(6):the characteristic is collector power dissipation,the symbol is PC,the rating is 0.5,the unit is W;(7):the characteristic is junction temperature,the symbol is Tj,the rating is 125,the unit is ;(8):the characteristic is storage temperature range,the symbol is Tstg,the rating is -55 to 125,the unit is .

The microwave charactristics of the 2SC2644 can be summarized as:(1):the characteristic is collector cut-off current,the symbol is ICBO,the Max. is 1,the unit is A;(2):the characteristic is emitterr cut-off current,the symbol is IEBO,the Max. is 10,the unit is A;(3):the characteristic is DC current gain,the symbol is hFE,the Min. is 20,the Typ. is 50;(4):the characteristic is transition frequency,the symbol is fT,the Typ. is 4.0,the unit is GHz;(5):the characteristic is collector output capacitance,the symbol is Cob,the Typ. is 1.6,the unit is pF;(6):the characteristic is reverse transfer capacitance,the symbol is Cre,the Typ. is 1.1,the unit is pF.