The BC817-25W-Q is a versatile NPN bipolar junction transistor (BJT) manufactured by Diotec. With a collector-emitter voltage of 45V and a collector current of 500mA, this transistor is suitable for a wide range of applications, including amplification and switching circuits. Its 250MHz transition frequency ensures good performance in high-frequency applications. The BC817-25W-Q is housed in a space-saving SOT-323 package, making it ideal for compact designs. Supreme Components International is an authorized distributor of Diotec components, ensuring that you receive a genuine and high-quality product. Trust Supreme Components International for all your electronic component needs.