The SLD8S43A-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 equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge (ESD). It features a reverse standoff voltage of 66.4V and a breakdown voltage of 133V. The SLD8S43A-Q1-H is housed in a DO-220AA package, offering excellent power dissipation capabilities. This robust TVS diode is suitable for automotive, industrial, and consumer electronics applications where reliable overvoltage protection is critical. Its fast response time and low clamping voltage ensure effective protection against damaging voltage surges, enhancing the overall reliability and lifespan of your electronic circuits.