BC547
SKU: R3-F-4-2
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Description:
The BC547 is a general-purpose NPN bipolar junction transistor (BJT) commonly used for switching and amplification in low-power electronic circuits. It is one of the most popular transistors in education, hobby electronics, and embedded systems due to its reliability, low cost, and ease of use.

Specifications:

  • Type: NPN BJT Transistor
  • Collector-Emitter Voltage (Vce): 45V
  • Collector-Base Voltage (Vcb): 50V
  • Emitter-Base Voltage (Veb): 6V
  • Continuous Collector Current (Ic): up to 100mA
  • Power Dissipation: ~500mW
  • Current Gain (hFE): 110 – 800 (varies A/B/C variants)
  • Transition Frequency: ~300 MHz
  • Package: TO-92

The BC547 can handle up to ~100mA collector current and ~45V, making it suitable for low-power switching and amplification

Features:

  • General-purpose transistor for switching and amplification
  • High current gain (hFE up to ~800)
  • Low cost and widely available
  • Compact TO-92 package
  • Easy to use in breadboards and PCB circuits

Applications:

  • LED switching circuits
  • Relay drivers (with proper design)
  • Signal amplification (audio, sensors)
  • Arduino and microcontroller interfacing
  • Oscillators and small-signal circuits

Pin Configuration (Flat side facing you):

  • Collector (C)
  • Base (B)
  • Emitter (E)

Important Note:

  • Suitable for low current applications only (≤100mA)
  • Use a base resistor to limit current
  • Not suitable for high-power loads

Package Includes:

  • 1 × BC547 Transistor

Disclaimer:
No warranty. No guarantee. No return. No replacement.

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