BUY BC548-B https://www.utsource.net/itm/p/876502.html
Small Signal Bipolar Transistor, 0.1A I(C), 1-Element, NPN, Silicon, TO-92D, 3 PIN
Description: The BC548-B is a general-purpose NPN bipolar junction transistor (BJT) manufactured by Infineon Technologies AG. Features: * Collector-emitter voltage: 45 V * Collector current: 100 mA * Power dissipation: 500 mW * Operating temperature range: -65°C to +150°C Applications: The BC548-B can be used in a variety of applications, including audio amplifiers, switching circuits, and general-purpose amplifiers. It is also used in low-noise preamplifiers and signal processing circuits. (For reference only)