The ZS4745A-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 designed to protect sensitive electronic circuits from voltage transients induced by electrostatic discharge (ESD), inductive switching, and lightning. With a power dissipation rating of 400W, the ZS4745A-AF-H effectively clamps transient voltages to safe levels, preventing damage to downstream components. Its DO-214AC (SMA) package allows for easy surface mounting and efficient heat dissipation. This TVS diode is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, where robust overvoltage protection is critical. Trust Supreme Components International for your FORMOSA MICROSEMI component needs.