The 1-1337581-0 is a professional-grade MCX series RF jack receptacle designed for terminating coaxial connections directly to a printed circuit board. This connector features a straight body style with a through-hole mount, constructed from brass with gold plating on the body and a gold-plated beryllium copper center contact. It utilizes a PTFE dielectric, includes a PCB retention feature with four mounting legs for stability, and is compatible with PCB thicknesses from 1.60 mm to 3.20 mm. Engineered by Greenpar, this 50 Ohm connector is ideal for various RF systems requiring a reliable, board-mounted coaxial interface with a maximum operating temperature of 165°C.