The 5.0SMCJ18A-Q1-H is a high-reliability 18V Transient Voltage Suppressor (TVS) Diode manufactured by FORMOSA MICROSEMI. Packaged in a robust 5.0SMC package, this diode is designed to protect sensitive electronic equipment from voltage transients caused by electrostatic discharge (ESD), lightning, and other transient voltage events. As an authorised distributor of FORMOSA MICROSEMI components, Supreme Components International ensures the authenticity and quality of this TVS diode. The 5.0SMCJ18A-Q1-H offers excellent clamping capability, high surge current capability, and a fast response time, making it suitable for a wide range of applications, including automotive, industrial, and consumer electronics. It provides a reliable and cost-effective solution for overvoltage protection.