BZG03C43-M3-08 is a Zener diode manufactured by Vishay. It is a surface mount device with a compact design that is created for use in low-power applications. It has an operating junction temperature range of -55°C to +150°C, a Zener voltage of 3.6V, a power dissipation of 300mW, a reverse leakage current of 1.0uA, and a maximum surge current of 5A. It is rated for an ESD protection of greater than 2kV and is RoHS compliant.