The 031-238 is a Type BNC receptacle connector conforming to the UG-912/U standard, designed for RF and microwave applications. It features a 50-ohm impedance with a frequency range from DC to 2 GHz, supporting high-speed signal transmission. The connector is constructed with a brass body with nickel plating, beryllium copper contacts with silver plating, and PTFE insulation, ensuring durability and reliable electrical performance. It operates across a wide temperature range of -65°C to +165°C and is rated for a minimum of 500 mating cycles. The maximum panel thickness is 6.35 mm, and the connector is commonly used in test equipment, communications systems, and laboratory instrumentation where robust RF connectivity is required.