The BZV55B4V3 with Zener Diodes SOD-80 RoHS is a diode manufactured by LGE. It has a reverse voltage of 4V and a typical power dissipation of 5W at TA = 25°C, a maximum allowable power dissipation of 6.5W at TA = 25°C, and a junction temperature of 150°C. Its features include low noise, fast reverse recovery time, and an environmental-friendly design, which is RoHS (Restriction of Hazardous Substances) compliant. This part is designed for use in applications such as stabilizing and clipping circuits, surge & clamping applications, voltage regulating, and general purpose rectification.