Diotec BC558B is a bipolar junction transistor (BJT) housed in the compact TO-92 package and belongs to the PNP category of transistors. This silicon-based component is designed for amplifying or switching applications, capable of managing moderate current and low power levels typically required in analogue circuits. The BC558B is specified with a collector current rating of 100 mA and a maximum collector-emitter voltage of 30 V, making it suitable for use in audio amplifiers, signal processing circuits, and various driver applications in electronic devices. Its reliable performance and high gain characteristics ensure stability and efficiency in low-power circuits, offering a useful solution for engineers involved in designing consumer electronics and other signal processing systems. https://elecena.pl/product/29680010/diotec-bc558b-transistor-bjt-discrete-to-92-pnp 2026-01-10 https://elecena.pl/product/29680010/diotec-bc558b-transistor-bjt-discrete-to-92-pnp 2026-05-08