The BC817K-40 is a versatile NPN Bipolar Junction Transistor (BJT) manufactured by Diotec. As an authorized distributor, Supreme Components International offers this high-quality transistor, ensuring authenticity and reliable performance. This device features a collector-emitter voltage (Vceo) of 45V and a collector current (Ic) of 500mA. With a transition frequency (Ft) of 250MHz, the BC817K-40 is well-suited for both amplification and switching applications. Its compact SOT-23 package makes it ideal for space-constrained designs. The BC817K-40 is commonly used in audio amplifiers, signal processing circuits, and general-purpose switching applications. Supreme Components International is your trusted source for genuine Diotec components.