The BC817-40-AQ is a versatile NPN Bipolar Junction Transistor (BJT) manufactured by Diotec. As an authorised distributor, Supreme Components International offers this reliable component for various electronic applications. This transistor is designed for general-purpose amplification and switching, featuring a collector-emitter voltage (Vceo) of 45V and a continuous collector current (Ic) of 500mA. Its high transition frequency (Ft) of 250MHz makes it suitable for high-speed switching circuits. The BC817-40-AQ is housed in a through-hole TO-92 package, ensuring easy mounting and soldering. With a power dissipation of 330mW, this BJT is ideal for low-power applications. It is commonly used in audio amplifiers, signal processing circuits, and small signal switching circuits. The BC817-40-AQ provides excellent performance and reliability in a compact package.