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NPN general purpose transistors
BC109 is a NPN bipolar junction transistor (BJT) with a CAN-3 (Complementary Alloy Network) package. It is designed for general purpose amplifier and switching applications. Description: The BC109 is a general purpose NPN transistor with a CAN-3 package. It has a maximum collector current of 500mA and a maximum collector-emitter voltage of 45V. Features: Low noise High gain High frequency Low collector-emitter saturation voltage High collector current Applications: Audio amplifiers Switching circuits Motor control Power supplies Relay drivers (For reference only)