TE Connectivity 50 Ohm RF Coaxial BNC Connectors - PCB/Panel Mount Jacks A range of vertical and right angle mount 50 Ohm RF coaxial BNC jack connectors designed for PCB / Panel mounting. These 50 Ohm RF coax BNC connectors have a nickel body, a polymethylpentene dielectric and are available with a VALOX or metal housing, with or without mounting posts and various contact plating options. Please refer to additional data table for details.