B6251F1-005-NT3G-75 is a BNC PCB mount receptacle jack connector designed for high-frequency RF applications. It features a 75 ohm impedance with a frequency range from DC to 2 GHz and a maximum VSWR of 1.3, ensuring excellent signal integrity across the operating bandwidth. The connector is constructed with a brass body with nickel plating, phosphor bronze contacts with gold plating, and a PTFE insulator, providing robust electrical performance and corrosion resistance. It operates reliably over a temperature range of -40°C to +155°C with a dielectric withstanding voltage of 750 VRMS minimum and mechanical durability rated for 500 cycles minimum. This connector is ideal for RF/microwave test equipment, communication systems, and precision measurement applications requiring reliable high-frequency signal transmission.