The 1N4748A Zener diode, manufactured by CENTRAL SEMICONDUCTOR, is a robust and reliable component designed for voltage regulation and protection. With a power dissipation of 1W and a Zener voltage of 20V, maintained within a ±5% tolerance, this diode provides stable voltage references in a wide range of electronic circuits. It is commonly used in power supplies, overvoltage protection circuits, and voltage clamping applications. Supreme Components International is an authorised distributor of CENTRAL SEMICONDUCTOR components, ensuring that you receive only genuine and high-quality products. Trust the 1N4748A for your critical voltage regulation needs.