The 1N5290 is a discrete semiconductor component commonly used in electronics applications. It is a Silicon Controlled Rectifier (SCR) with a maximum voltage rating of 800 volts. The 1N5290 is designed to handle high power and high voltage applications, making it ideal for use in power supplies, motor controls, and voltage regulators. This SCR has a high surge current capability and is well-suited for circuits that require high reliability and ruggedness. The 1N5290 features a TO-5 package with a stud cathode and is designed for easy mounting on heat sinks. Overall, the 1N5290 is a versatile and reliable semiconductor component that is widely used in industrial and commercial electronic systems