The SM8S12A-Q1-H is a high-performance 12V Transient Voltage Suppressor (TVS) Diode manufactured by Formosa Microsemi. Supreme Components International is an authorised distributor of Formosa Microsemi components. This diode is specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). Encased in a DO-220AA package, it offers excellent surge handling capability and a fast response time. With a breakdown voltage of 66.4V, the SM8S12A-Q1-H provides a reliable solution for safeguarding automotive electronics, industrial control systems, and other applications where transient voltage protection is critical. Its robust design ensures long-term reliability and performance in demanding environments.