The ZS4759A-H, manufactured by Formosa Microsemi, is a high-performance unidirectional TVS diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and inductive load switching. Housed in a DO-15 package, this diode offers a surge protection capability of 400W. Its unidirectional configuration ensures effective clamping of positive voltage spikes, preventing damage to downstream circuitry. This TVS diode is suitable for a wide range of applications, including industrial controls, telecommunications equipment, and consumer electronics. Supreme Components International is an authorised distributor, guaranteeing the authenticity and quality of this Formosa Microsemi product. Choose the ZS4759A-H for reliable and efficient transient voltage suppression.