Short description
BC558 is a silicon PNP bipolar junction transistor (BJT) used for low-power amplification and switching in general electronic circuits.

Key features

• Type: PNP transistor

• Collector–Emitter voltage (VCEO): –30 V

• Collector current (IC): –100 mA

• Low noise (suitable for small-signal and audio stages)

• Package: TO-92 (through-hole)

• General-purpose switching and amplification

Advantages

• Low cost and easily available

• Suitable for low-power and low-current circuits

• Easy to use on breadboard and PCB

• Good performance for signal amplification and simple switching