The Doeshare ESD3Z5V0C is an SOD-323 ESD Protection Device. It is a bidirectional zener diode voltage clamp that is RoHS compliant. It is designed to provide protection against electrostatic discharge (ESD) without causing disruption to the host device. It has an operating voltage range of 5.0V, and a reverse leakage current of 5.0nA. It can handle an ESD surge of up to 15kV, and has a maximum breakdown voltage of 5.40V.