The NTE5579 is a discrete semiconductor component commonly known as a silicon controlled rectifier (SCR). It is designed for high power applications where controlled switching of electrical currents is required. Key features of the NTE5579 include a voltage rating of 400 volts, maximum current rating of 25 amps, and a gate trigger current of 100 milliamps. It has a TO-220 package with three leads for easy mounting on a circuit board. The NTE5579 is ideal for use in motor control, power supplies, and lighting applications where precise control of current flow is necessary. With its high power handling capabilities and reliable performance, the NTE5579 is a versatile and essential component for a wide range of electronics projects