The BD438 is a versatile NPN Bipolar Transistor manufactured by CENTRAL_SEMICONDUCTOR. Supreme Components International is an authorised distributor of CENTRAL_SEMICONDUCTOR components, ensuring you receive genuine and high-quality products. This transistor is designed for amplification and switching applications, boasting a collector-emitter voltage (Vceo) of 45V and a continuous collector current (Ic) of 3A. Its TO-126 package provides efficient heat dissipation. The BD438 is commonly used in audio amplifiers, linear regulators, power supplies, and general-purpose switching circuits. Its robust design and reliable performance make it a popular choice for both hobbyists and professional engineers. Consider the BD438 for your next project requiring a dependable NPN bipolar transistor.