The BZT55C4V3-Q1-H Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. With a Zener voltage of 4.3V and a power dissipation of 500mW, this diode effectively stabilizes voltage levels in electronic devices. Encased in a compact SOD-80 package, it offers ease of integration into diverse circuit designs. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring that you receive genuine, high-quality products. This Zener diode is ideal for applications requiring precise voltage control and overvoltage protection. Trust Supreme Components International for reliable electronic components and exceptional service.