The SM712.TCT is a ESD Protection Device manufactured by MSKSEMI in a SOT-23 package. This device is designed to protect electronic circuits from outside electrostatic discharge (ESD) and is compliant with the Restriction of Hazardous Substances Directive (RoHS) set by the European Union. It is a unidirectional diode that has an integrated zener and transil function that provides high power transient protection. The device has a peak pulse current rating of 6A and can endure a peak pulse power of 0.9W, with a clamping voltage of 5.5V. Other features include low capacitance and low resistance, fast response time, and very low leakage current. This device is suitable for a wide range of applications including Ethernet, USB ports, audio systems, and mobile phones.