BC547

The BC547 is a versatile, general-purpose NPN bipolar junction transistor (BJT) widely used in electronic circuits for switching and amplification purposes. It is commonly found in low-power applications and is known for its reliability and ease of use. The BC547 is suitable for a variety of applications, including signal processing, amplification, and switching.

Key Features:

• General-Purpose NPN Transistor: Suitable for a wide range of applications
• Low Power Consumption: Ideal for low-power circuits
• High Gain: Provides high current gain (hFE)
• Compact Package: TO-92 package for easy integration into various designs
• High Reliability: Proven performance in diverse electronic circuits

Technical Specifications:

• Transistor Type: NPN
• Collector-Emitter Voltage (VCEO): 45V
• Collector-Base Voltage (VCBO): 50V
• Emitter-Base Voltage (VEBO): 6V
• Collector Current (IC): 100mA
• Power Dissipation (Ptot): 500mW
• DC Current Gain (hFE): 110 to 800 (depending on the model)
• Transition Frequency (fT): 300MHz
• Package Type: TO-92
• Operating Temperature Range: -55°C to +150°C

Applications:

• Signal amplification
• Switching applications
• General-purpose amplification
• Low-noise stages in audio equipment
• Sensor interfacing
• Hobby and DIY projects

Usage:

1. Identify the pin configuration of the transistor: Collector (C), Base (B), and Emitter (E).
2. Connect the base to the control signal through a suitable current-limiting resistor.
3. Connect the emitter to ground or negative voltage rail.
4. Connect the collector to the load or positive voltage rail, depending on the application.
5. Ensure the power supply voltage and current ratings do not exceed the transistor’s maximum ratings.

Caution:

• Avoid exceeding the maximum voltage and current ratings to prevent damage to the transistor.
• Ensure proper heat dissipation if operating near the maximum power dissipation limit.
• Handle with care to prevent damage from electrostatic discharge (ESD).

Datasheet:
For detailed technical specifications, refer to the BC547 Datasheet.