The SMCJ18A-A is a high-performance Transient Voltage Suppressor (TVS) diode manufactured by SMC Diodes. Supreme Components International is an authorised distributor of SMC Diodes, ensuring you receive authentic components. This surface-mount device (DO-214AB/SMC package) is designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). The SMCJ18A-A features a standoff voltage of 18V, a breakdown voltage range of 20.5V to 22.8V, and a clamping voltage of 30.6V. With a peak pulse power dissipation of 1500W, it provides robust overvoltage protection. Ideal for various applications requiring reliable transient voltage suppression, the SMCJ18A-A offers excellent performance and durability. Its compact size and surface-mount design make it easy to integrate into modern electronic assemblies.