The ZJ3.9A Zener diode, manufactured by FORMOSA MICROSEMI, is a crucial component for voltage regulation and circuit protection. As an authorized distributor, Supreme Components International offers this high-quality diode, ensuring authenticity and reliability. This Zener diode features a voltage of 3.9V and a power dissipation of 500mW, housed in a standard DO-41 package. It's suitable for a wide range of applications, including voltage stabilization, overvoltage protection, and clipping circuits. The ZJ3.9A provides a stable reference voltage, making it an essential element in power supplies, communication equipment, and instrumentation. Choose Supreme Components International for guaranteed quality and dependable performance.