The BC817-40 is a NPN bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. It has a maximum collector current (IC) of 500mA, a maximum voltage rating of 45V, and a power dissipation of 625mW. The transistor is housed in a SOT-23 package, making it suitable for low power circuits and space-constrained applications.
The BC817-40 has a high current gain (hfe) of 100 to 450, ensuring reliable and efficient amplification. It features a low base-emitter saturation voltage of 0.75V, allowing for low power consumption in switching applications. The transistor also has a fast switching speed and high transition frequency, making it ideal for high-frequency applications.
Overall, the BC817-40 is a versatile and reliable discrete semiconductor component that is widely used in a variety of electronic circuits, including audio amplifiers, signal processing, and voltage regulators. Its compact size, high performance, and affordability make it a popular choice among electronics hobbyists and professionals alike
