The Wurth Elektronik WR-MJ is a SMT mount, vertical modular jack top entry type plastic connector having 4P4C number of pins and copper alloy contact material. It has withstanding voltage of 1000V AC, working voltage of 120V AC and contact resistance of 20 mΩ.RoHS compliantOperating temperature ranges between -40°C up to +85°C500 mating cycles