e 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 f=1MHz VCE=10V, IC=5mA VCE=5V, IC=100µA VCE=0.3V, IC=20mA 3.2.