75 Ohm MCX Plug for Belden 4855R – Kit Includes End Cap and Ferrule
The 919-416P-71A12G: Rated to 12 GHz, 500 mating cycles, 75 Ohm impedance. This is a kit: the connector, an end cap, and a ferrule are all in the bag. The end cap protects the interface when unmated, and the ferrule crimps over the cable braid for shield termination — no separate parts to order.
Designed for Belden 4855R, a 75 Ohm coax with a solid dielectric. The centre contact solders to the signal wire; the shield crimps through the ferrule. The PTFE dielectric material in the connector matches the cable's dielectric constant, keeping the impedance transition clean through the joint. Body materials are beryllium copper and brass, with gold and nickel finishes — the gold on the mating surfaces handles repeated connect-disconnect without corrosion, while the nickel on the body resists environmental oxidation. Centre contact is brass, gold-plated, for low and stable contact resistance over the 500-cycle life.
The base product number is 91941; the full suffix 416P-71A12G encodes the plating, cable group, and packaging variant. No documented cross-reference or direct substitute from other manufacturers — if the BOM calls for 919-416P-71A12G, match the full order code.