Diotec BC817-40W is a discrete NPN bipolar junction transistor (BJT) housed in a compact SOT-323 package, characterised by its reliability and efficiency in electronic circuits. Designed for low to medium current amplification and switching operations, this silicon transistor supports a maximum collector current of 500 mA and a collector-emitter voltage of 45 V, making it suitable for a variety of applications in signal processing and power management. Engineers commonly utilise the BC817-40W in the development of amplifiers, signal conditioning circuits, and as a switch in consumer electronics, where compactness and performance are imperative. https://elecena.pl/product/29679987/diotec-bc817-40w-transistor-discrete-npn-sot-323-bc817-40w-reliable-part 2026-01-10 https://elecena.pl/product/29679987/diotec-bc817-40w-transistor-discrete-npn-sot-323-bc817-40w-reliable-part 2026-07-15