The 1N4743A Zener diode, manufactured by FORMOSA MICROSEMI, is a silicon planar power Zener diode in DO-41 package. It's designed for voltage regulation and protection applications. With a power dissipation of 1W and a nominal Zener voltage of 13V, this diode offers a stable and reliable voltage reference. The tight ±5% tolerance ensures accurate voltage regulation. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI components, guaranteeing the authenticity and quality of this product. This diode is suitable for a wide range of applications, including power supplies, voltage clamping, and overvoltage protection circuits. Its robust construction ensures long-term reliability and performance.