The ZS4727A-AF-H is a high-performance unidirectional TVS diode manufactured by Formosa Microsemi. Supreme Components International is an authorised distributor of Formosa Microsemi components. This diode is designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and ESD. With a power dissipation rating of 400W, the ZS4727A-AF-H effectively clamps transient voltages to safe levels, preventing damage to downstream circuitry. 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 reliable overvoltage protection is crucial. The unidirectional configuration ensures optimal protection for DC circuits.