The ZS4743A-Q1-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 circuits from transient voltage events such as electrostatic discharge (ESD), electrical fast transients (EFT), and lightning surges. With a power dissipation rating of 400W, the ZS4743A-Q1-H effectively clamps overvoltage conditions, preventing damage to downstream components. Its DO-214AC (SMA) surface-mount package allows for easy integration into printed circuit boards. This TVS diode is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, where robust overvoltage protection is critical. Choose the ZS4743A-Q1-H for superior circuit protection and peace of mind.