The DIOTEC ZPD3.9 is a Zener diode designed to provide a stable 3.9V voltage reference. Encased in a compact DO-35 package, this diode is well-suited for through-hole PCB assembly. With a power dissipation of 500mW, it offers reliable performance in voltage regulation, overvoltage protection, and clipping circuits. Supreme Components International is an authorised distributor of DIOTEC components, ensuring you receive a genuine and high-quality product. This Zener diode is commonly used in power supplies, communication equipment, and instrumentation where precise voltage control is essential. Its robust design and stable characteristics make it a dependable choice for various electronic applications. Benefit from our extensive inventory and fast shipping.