919-389P-51A is an MCX right-angle crimp plug connector designed for use with RG-178B/U and RG-196A/U coaxial cables. This connector features a 50 Ohm impedance and operates over a frequency range of DC to 6 GHz, making it suitable for high-frequency RF applications. The construction includes a brass body with nickel plating, BeCu contact with gold plating, and a brass contact pin with gold plating, while the isolator is made from PTFE and Delrin. The connector is rated for a minimum of 500 mating cycles and operates within a temperature range of -40°C to +85°C. Common applications include telecommunications, wireless systems, and test equipment where reliable RF signal transmission is required.