BC547 NPN (BJT)
5.00৳
Features
✅ Low cost
✅ Easy to use
✅ High gain
✅ Low noise
✅ Good switching performance
✅ Widely available
Description
The BC547 is a general-purpose NPN bipolar junction transistor (BJT) widely used in electronic circuits for switching and amplification applications. Due to its low cost, reliability, and ease of use, it is one of the most popular transistors among students, hobbyists, and professional circuit designers. The BC547 can amplify small electrical signals and can also be used as an electronic switch to control LEDs, relays, buzzers, and other low-current devices.
Specifications
- Type: NPN Transistor
- Package: TO-92
- Maximum Collector-Emitter Voltage (VCEO): 45V
- Maximum Collector Current (IC): 100mA
- Maximum Power Dissipation: 500mW
- DC Current Gain (HFE): 110–800
- Operating Temperature: -55°C to +150°C
- Not suitable for motors or high-power loads directly
- Lower efficiency than MOSFETs in switching applications
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