The ZJ39B is a high-quality Zener diode manufactured by FORMOSA MICROSEMI. As an authorized distributor, Supreme Components International guarantees the authenticity and reliability of this component. This single Zener diode features a Zener voltage of 3.9V with a 5% tolerance and a power dissipation of 500mW. Its surface mount design in a SOD-323 package allows for efficient PCB assembly. The ZJ39B is ideal for voltage regulation, overvoltage protection, and clipping applications in a wide range of electronic devices. Its compact size and robust performance make it a versatile choice for modern circuit designs. Consider the ZJ39B for your next project requiring precise voltage control.