The 3.0SMCJ78A-H is a high-power Transient Voltage Suppressor (TVS) diode manufactured by FORMOSA MICROSEMI. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components. This unidirectional TVS diode is designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. It features a peak pulse power dissipation of 3000W and a reverse standoff voltage of 78V. The 3.0SMCJ78A-H is available in a compact SMC (DO-214AB) package, making it suitable for space-constrained applications. This TVS diode offers fast response time, low clamping voltage, and high surge capability, ensuring reliable overvoltage protection for a wide range of applications, including automotive, industrial, and consumer electronics.