The TPD4E1U06DCKR is an ESD protection device with SOT-363 package manufactured by TECH PUBLIC. It is designed to protect electronic components against damage due to electrostatic discharge. It consists of four independently-controlled, bidirectional, symmetrical, parallel-channel TVS devices connected in a reverse-directional configuration. Its working voltage range is 5.5V to 6.5V and working current range is 2.5A to 8A. It features high ESD clamping voltage, low leakage current, and ESD protection up to 25kV contact discharge. This ROHS-compliant device is suitable for a variety of applications, including portable electronics, computer peripherals, and industrial equipment.