The BZT55B3V9A-H 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 electronic devices. Encased in a DO-35 package, it offers a compact footprint for space-constrained applications. Supreme Components International is an authorized distributor of FORMOSA MICROSEMI components, ensuring that you receive genuine and high-quality products. This Zener diode is suitable for a wide range of applications, including voltage clamping, overvoltage protection, and reference voltage generation. Trust Supreme Components International for reliable electronic components and expert support.