The ZMY3.9G Zener Diode, manufactured by Diotec, is a silicon planar Zener diode designed for voltage regulation and transient protection applications. With a Zener voltage of 3.9V and a power dissipation of 500mW, this diode provides a stable voltage reference. Its DO-219AB (SMF) surface mount package makes it suitable for high-density PCB layouts. The ZMY3.9G offers fast response times and low leakage current, ensuring reliable performance in various electronic circuits. As an authorized distributor of Diotec components, Supreme Components International guarantees the authenticity and quality of this product. This Zener diode is commonly used in voltage stabilization, overvoltage protection, and clipping circuits.