The BC817-40-Q is a versatile NPN Bipolar Junction Transistor (BJT) manufactured by Diotec. Supreme Components International is an authorized distributor of Diotec components. This transistor is designed for general-purpose amplification and switching applications. It features a collector-emitter voltage (Vceo) of 45V and a collector current (Ic) of 500mA. The BC817-40-Q boasts a transition frequency (Ft) of 250MHz, enabling it to operate effectively in high-frequency circuits. Its SOT-23 package allows for efficient board space utilization. This transistor is commonly used in audio amplifiers, signal processing circuits, and switching circuits. Supreme Components International ensures the authenticity and quality of all components we distribute. Benefit from our extensive inventory and reliable supply chain.