The NTE5400 is a Thyristor manufactured by NTE. It is a three-pin, through-hole, surface-mount, single-phase device that is used with AC or DC circuits. It has a voltage rating of 30V, a current rating of 0.8A, a holding current of 0.2mA, and is available in a TO92 package. It is designed to provide fast switching and protection against power surges, high efficiency, and low voltage drop. It is suitable for AC and DC applications, including motor switching, surge suppression, and various electronic circuits. It also offers temperature compensation for temperature-sensitive applications.