The BZT55C4V3-H Zener diode, manufactured by Formosa Microsemi, is a crucial component for voltage regulation and circuit protection. With a Zener voltage of 4.3V and a power dissipation of 500mW, this diode provides stable voltage characteristics in a compact SOD-80 package. Its small size makes it suitable for high-density PCB layouts and portable electronic devices. As an authorized distributor, Supreme Components International guarantees the authenticity and quality of this component. The BZT55C4V3-H is widely used in voltage stabilization, overvoltage protection, and clipping circuits. It offers reliable performance and is an essential part of many electronic designs. This Zener diode ensures precise voltage control and protects sensitive components from voltage spikes.