Voltage Input On Voltage Input Resistor Resistor Ratio Test Condition IC= -10µA, IE=0 IC= -100µA, IB=0 VCB= -40V, IE=0 VCE= -5V, IC= -5mA IC= -10mA, IB= -0.5mA VCE= -10V, IC=-5mA VCB= -10V, IE=0 f=1.0.