The ZS4746A-AF-H is a high-performance unidirectional TVS diode manufactured by FORMOSA MICROSEMI. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, ensuring you receive genuine and reliable parts. This diode is specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. With a power dissipation rating of 400W, the ZS4746A-AF-H effectively clamps transient voltages to safe levels, preventing damage to downstream components. Its DO-214AC (SMA) surface-mount package allows for easy integration into printed circuit boards. This TVS diode offers excellent clamping capability, high surge current capability, and fast response time, making it a crucial component for safeguarding your electronic designs. Ideal for various applications requiring robust overvoltage protection.