The BZT52C3V9 Zener diode, manufactured by Diptronics, is a crucial component for voltage regulation and protection in electronic circuits. With a Zener voltage of 3.9V and a power dissipation of 500mW, this diode provides a stable voltage reference and safeguards sensitive components from voltage spikes. Its SOD-323 package allows for easy integration into compact designs. Supreme Components International is an authorised distributor of Diptronics components, ensuring that you receive genuine and reliable products. This Zener diode is suitable for a wide range of applications, including voltage stabilization, overvoltage protection, and clipping circuits. Trust Supreme Components International for your electronic component needs.