The MM5Z3V9-Q1-H is a high-quality 3.9V Zener Diode manufactured by FORMOSA MICROSEMI. This diode is specifically designed for voltage regulation and circuit protection applications. With a power dissipation of 500mW, it provides reliable performance in a small SOD-523 package. Zener diodes are crucial components in electronic circuits, ensuring stable voltage levels and preventing damage from voltage spikes. Supreme Components International is an authorised distributor of FORMOSA MICROSEMI, ensuring that you receive only genuine and high-quality components. This Zener diode is suitable for a wide range of applications, including power supplies, voltage references, and overvoltage protection circuits. Choose the MM5Z3V9-Q1-H for dependable voltage regulation.