The TPD4S009DCKR with the SOT-363 package is an advanced and robust Electrostatic Discharge (ESD) protection device manufactured by Leiditech. It is designed for high speed data line protection (USB) in consumer and application electronics. It provides the capability to protect designs from the damaging effects of ESD events in accordance with IEC 61000-4-2, level 4, as well as UL, CSA, and other hazardous standards. This product is RoHS compliant and is suitable for use in a wide variety of applications, including digital ports, high speed data lines, and I/O circuits. Additionally, it features low capacitance and low power consumption and is ideal for high speed applications.