The ESD5Z3.3T is a specialised electronic component manufactured by Yenji. This part is a Transient Voltage Suppressor (TVS) diode packaged in a SOD-523 surface-mount package. It is designed to protect against electrostatic discharge, and is compliant with the European Restriction of Hazardous Substances (RoHS) directive. It is rated at 5.3V, 3.3W, and has a peak pulse power rating of 60W. It has a capacitance of 24pF at 1MHz.