The Z30-18B Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring you receive genuine and high-quality products. This diode, housed in a DO-41 package, boasts a Zener voltage of 18V. Zener diodes are designed to maintain a constant voltage across their terminals when reverse biased, making them ideal for creating stable voltage references, clipping signals, and protecting sensitive circuits from overvoltage conditions. The Z30-18B is suitable for a wide range of applications, including power supplies, voltage regulators, and surge protection circuits. Trust Supreme Components International for your electronic component needs.