The ZS4731A-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 TVS diode is designed to protect sensitive electronic circuits from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. With a power dissipation rating of 400W, the ZS4731A-AF-H effectively clamps transient voltages to safe levels, preventing damage to downstream components. Its DO-214AC (SMA) package offers excellent thermal performance and is suitable for automated assembly processes. This diode is ideal for use in various applications, including automotive, industrial, and consumer electronics, where robust overvoltage protection is critical. Choose the ZS4731A-AF-H for superior transient voltage suppression.