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BC547 NPN Transistor

The BC547 is a general-purpose NPN bipolar junction transistor (BJT) commonly used for low-power amplification and switching applications. It features a TO-92 package and is widely available for hobbyist and professional electronics projects.

BC547 NPN Transistor
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Specifications

Transistor Type: NPN Collector-Emitter Voltage (Vceo): 45V Collector-Base Voltage (Vcbo): 50V Emitter-Base Voltage (Vebo): 6V Collector Current (Ic): 100mA DC Current Gain (hFE): 110 to 800 Transition Frequency (ft): 300MHz Package: TO-92 Pins: 3 (Collector, Base, Emitter) Operating Temperature: -55°C to 150°C

Details

The BC547 is a versatile NPN epitaxial silicon transistor designed for general-purpose amplification and switching tasks. It is housed in a standard TO-92 package, making it easy to integrate into breadboards and PCBs. Key features include a collector-emitter voltage of 45V, collector current of 100mA, and a transition frequency of 300MHz, ensuring reliable performance in various circuits. This transistor is ideal for applications such as audio pre-amplification, signal processing, LED driving, and relay control. Its high hFE (DC current gain) allows for efficient signal amplification with minimal power loss. Whether you are building a hobbyist project or designing a professional circuit, the BC547 offers a cost-effective and dependable solution. Choose this component for its proven reliability, wide availability, and compatibility with countless electronic designs.

Tags

NPN TransistorBC547TO-92AmplifierSwitchingGeneral PurposeBipolar Junction TransistorElectronics Components

Alternatives

  • 2N2222
  • BC548
  • BC549
  • BC550