BC 142 NPN

BC 142 NPN is a general-purpose NPN semiconductor transistor designed for reliable switching and low-noise amplification in a wide range of electronic circuits. Its combination of moderate voltage tolerance and controlled current handling makes it suitable for many mid-power applications where stability and signal integrity are important. Collector-Emitter Voltage: 50V — suitable for mid-power circuit designs. Collector Current: up to 0.1A — supports low- to medium-current switching tasks. Power Dissipation: 500mW — allows stable operation under moderate loads. Gain Bandwidth Product (fT): 100 MHz — provides adequate frequency response for amplification. Low Noise Figure — contributes to clearer signal amplification in audio and RF circuits. Compared with other transistors in its class, the BC 142 NPN balances power efficiency and noise reduction while offering improved frequency handling. Its stable gain across specified operating conditions supports predictable performance in amplification stages and switching roles. The device's compact package and thermal stability facilitate straightforward implementation on compact circuit boards and in space-constrained designs. Manufactured using refined semiconductor processes, the BC 142 NPN delivers consistent electrical characteristics that suit both hobbyist projects and professional applications. Typical uses include low-noise audio preamplifiers, small-signal RF stages, general switching duties, and other circuits that require dependable mid-range voltage and current performance. This transistor delivers dependable behavior without compromising thermal stability or signal quality.