The ZMM55C3V9 Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. With a Zener voltage of 3.9V and a power dissipation of 500mW, this diode effectively stabilizes voltage levels in a wide range of applications. Its SOD-80 package ensures efficient heat dissipation and easy integration into compact designs. Supreme Components International is an authorized distributor of Formosa Microsemi components, guaranteeing the authenticity and quality of the ZMM55C3V9. This diode is suitable for use in power supplies, communication equipment, and other electronic devices requiring precise voltage control. Choose the ZMM55C3V9 for reliable and consistent performance in your projects. As an authorized distributor, we provide full traceability and support.