The NTE5681 is a discrete semiconductor component designed for high-speed switching applications. It is a Darlington NPN silicon power transistor with a maximum collector current of 12A and a collector-emitter voltage of 60V. The device is housed in a TO-220 package, making it suitable for use in a variety of industrial and commercial applications. The NTE5681 features a high current gain and low saturation voltage, ensuring efficient operation even in demanding conditions. Additionally, the transistor is designed to withstand high temperatures, making it suitable for use in harsh environments. Overall, the NTE5681 is a reliable and high-performance semiconductor component that is ideal for applications requiring high-speed switching and high current capabilities