BC548 Datasheet PDF – 30V, 0.5A, NPN Transistor – Fairchild

This is one of the transistor types.

Part Number: BC548

Function : 500mA, 30V, NPN General Purpose Amplifier

Package: TO-92 Type

Manufacturer: Fairchild Semiconductor

This post explains for the semiconductor BC548.




This is 30V, 500mA, NPN General Purpose Amplifier.

This device is designed for use as general purpose amplifiers and switches requiring collector currents to 300 mA. Sourced from Process 10. See PN100A for characteristics.


1. Switching and Amplifier

2. High-Voltage : BC546, Vceo = 65V

3. Low-Noise : BC548, Vceo = 30V, BC549, BC550

BC548 Pinout



Absolute Maximum Ratings

1. Collector-Base Voltage: Vcbo = 30V
2. Collector-Emitter Voltage: Vceo = 30V
3. Emitter-Base Voltage: Vebo = 5V
4. Collector Current (DC) : Ic = 500mA
5. Total Device Dissipation: Pd = 625mW
6. Storage Junction Temperature Range : Tstg = -55 to 150°C
7. Operating Junction Temperature Range : Tj = -55 to 150°C

Other data sheets are available within the file: BC548A, BC548B, BC548C

BC548 Datasheet

BC548 pdf


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