The BZT52C3V9S-FL-H Zener Diode, manufactured by Formosa Microsemi, is a single silicon planar Zener diode designed for surface mounting. Housed in a compact SOT-23 package, this diode provides a stable 3.9V reference voltage. With a power dissipation of 500mW, it's suitable for a wide range of applications, including voltage regulation, overvoltage protection, and clipping circuits. Supreme Components International is an authorised distributor of Formosa Microsemi components, ensuring you receive genuine and high-quality products. This Zener diode offers excellent performance and reliability for your electronic designs. Its small size and surface mount capability make it easy to integrate into modern circuit boards. Benefit from precise voltage control and robust protection with this versatile Zener diode.