The 5.0SMCJ18CA-Q1-H is a Transient Voltage Suppressor (TVS) diode manufactured by Formosa Microsemi. Supreme Components International is an authorised distributor of Formosa Microsemi components. This TVS diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. It features a breakdown voltage of 18V with a 5% tolerance and is packaged in an SMC (Surface Mount Component) package. The 5.0SMCJ18CA-Q1-H offers fast response times and high surge current capability, making it suitable for automotive, industrial, and telecommunications applications. This robust component ensures reliable overvoltage protection, enhancing the overall system reliability and longevity. Part of the 5.0SMCJ series.