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BC548 NPN Transistor – Low Noise General Purpose TO-92 IC

The BC548 NPN Transistor is a widely used general-purpose bipolar junction transistor (BJT) ideal for amplification and switching applications in Bangladesh. Known for its low noise and stable performance, this transistor is commonly used in audio circuits, signal processing, and small electronic projects.

Housed in a compact TO-92 package, the BC548 is easy to mount on PCBs and breadboards, making it perfect for students, hobbyists, and professional engineers. It offers reliable operation in low current and low voltage applications.

This transistor is suitable for electronics labs, repair work, DIY projects, and circuit development.

➤ Key Features:

✹ NPN bipolar junction transistor
✹ Model: BC548
✹ Low noise performance
✹ TO-92 compact package
✹ Suitable for switching and amplification
✹ Easy to use in breadboard and PCB
✹ Reliable and stable operation

⚙ Applications:

✹ Audio amplifier circuits
✹ Signal amplification
✹ Switching circuits
✹ LED drivers
✹ Educational electronics projects
✹ General purpose circuit design

⚙ Technical Specifications:

✹ Type: NPN Bipolar Junction Transistor (BJT)
✹ Model: BC548
✹ Package: TO-92
✹ Collector-Emitter Voltage (Vce): 30 V
✹ Collector-Base Voltage (Vcb): 30 V
✹ Emitter-Base Voltage (Veb): 5 V
✹ Collector Current (Ic): 100 mA max
✹ Power Dissipation (Ptot): 500 mW max
✹ DC Current Gain (hFE): 110 – 800 (depending on grade)
✹ Transition Frequency (ft): 100 MHz typical
✹ Operating Temperature: -55°C – 150°C
✹ Applications: Low-noise amplification, switching, audio circuits, general-purpose electronics

The BC548 NPN Transistor is a reliable choice in Bangladesh for anyone needing a stable, low-noise, and easy-to-use transistor for small-signal and low-power electronic applications.