The BD442 is a robust NPN Bipolar Junction Transistor (BJT) manufactured by CENTRAL_SEMICONDUCTOR. This transistor is designed for general-purpose amplification and switching applications. It features a collector-emitter voltage (Vceo) of 45V and a continuous collector current (Ic) of 4A, making it suitable for medium-power applications. The BD442 is housed in a TO-126 package, which provides good thermal dissipation. As an authorized distributor of CENTRAL_SEMICONDUCTOR, Supreme Components International guarantees the authenticity and quality of this component. This transistor is commonly used in audio amplifiers, power supplies, and various control circuits. Its reliable performance and widely available package make it a popular choice for both hobbyists and professional engineers. Consider the BD442 for your next project requiring a dependable NPN BJT.