BC547B General Purpose Transistor Electrical Characteristics (Ta = 25°C unless otherwise specified)ParametersSymbolTest ConditionValueUnitsDynamic Characteristics I Transition Frequency f C = 10mA, VCE = 5V T Typical 300 MHz f = 100MHz Collector Output Capacitance Ccbo VCB = 10V, f = 1MHz <4.50 pF Emitter Input Capacitance Cib VEB = 0.5V, f = 1MHz Typical 9.0 I Noise Figure NF C = 0.2mA, VCE = 5V <10 dB Rs = 1kΩ, f = 200Hz Small Signal Current Gain hfe Typical 330 - Input Impedance hie 3.2 - 8.5 kΩ IC = 2mA, VCE = 5V Voltage Feedback Ratio hre Typical 2.0 x 10-4 Output Impedance hoe <60 µΩ SpecificationsVhfVCBOFETCEOIPMaximumCMinimum(Typical)totPackagePart Number(V)(A)(mW)(V)at IC = 2mAMHz 45 50 0.1 200 300 625 TO-92 BC547B Page <3> 12/05/08 V1.1
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