
50Pcs BC546 BC547 BC548 BC556 BC557 BC558 Bipolar Transistors TO-92
The BC546, BC547, BC548 (NPN) and BC556, BC557, BC558 (PNP) series are general-purpose bipolar transistors in TO92 through-hole package, widely used for low-power amplification, signal switching, and driver circuits. These transistors offer high current gain, low noise, and reliable performance in consumer electronics, industrial controls, and DIY projects.
Applications
Audio amplifiers and preamplifiers
Relay/load drivers in automation systems
Signal switching in IoT devices
Educational electronics kits and Arduino/RPi projects
The BC546, BC547, BC548 (NPN) and BC556, BC557, BC558 (PNP) series are general-purpose bipolar transistors in TO92 through-hole package, widely used for low-power amplification, signal switching, and driver circuits. These transistors offer high current gain, low noise, and reliable performance in consumer electronics, industrial controls, and DIY projects.
Applications
Audio amplifiers and preamplifiers
Relay/load drivers in automation systems
Signal switching in IoT devices
Educational electronics kits and Arduino/RPi projects