The BC109B is a versatile NPN Silicon Planar Epitaxial Transistor from CENTRAL SEMICONDUCTOR. As an authorised distributor, Supreme Components International provides genuine components for your electronic projects. This BJT transistor is designed for low-noise amplifier input stages, offering excellent signal amplification with minimal noise interference. It's also suitable for general-purpose switching applications, providing reliable performance in diverse circuit designs. The BC109B features a robust construction and precise manufacturing, ensuring consistent electrical characteristics and long-term stability. Choose the BC109B for your next project and experience the quality and reliability of CENTRAL SEMICONDUCTOR components, available through Supreme Components International.