Base-emitter saturation voltage Collector cut-off current Collector cut-off current DC current gain DC current gain Output capacitance Transition frequency CONDITIONS IC=-1mA;IB=0 IC=-10µA ;IE=0 IE=-10µA ;IC=0 IC=-1A ;IB=-50mA IC=-500mA ;IB=-50mA VCB=-10V; IE=0 VCE=-18V; IB=0 IC=-500mA ; VCE=-2V IC.