.The PDT5301-T73 is a ESD protection device manufactured by ProTek Devices, housed in an SOT-23 package and compliant with RoHS electronics standards. It is an ultra-low capacitance device, designed to protect sensitive electronics from Electrostatic Discharge (ESD) without impacting signal integrity. The device features an existing leak current of 10nA, and has capacitance of 0.6pF (typical) at 1MHz and 5V. The device also offers a working voltage range of 2.5V to 5.5V, and a clamping voltage of 11.5V. It offers advanced protection for 8-pin thin/ultra-thin Type II & III mobile phones, and other high-speed signal lines. The device offers Low Working Voltage & Fast Response Time, Stable with Temperature & High Reliability and Low Clamping Voltage.