The 1N4747A Zener diode, manufactured by CENTRAL SEMICONDUCTOR, is a silicon planar power Zener diode designed for voltage regulation and protection applications. With a power dissipation of 1W and a Zener voltage of 20V, this diode offers a stable and reliable voltage reference. The tight ±5% tolerance ensures accurate voltage regulation in sensitive circuits. Supreme Components International is an authorised distributor of CENTRAL SEMICONDUCTOR 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. Its robust construction ensures long-term reliability and performance. Consider the 1N4747A for your next project requiring precise voltage control.