MCX Jack, 75 Ohm, End Launch — What This Connector Is
It's a snap-on, subminiature coaxial interconnect rated to 12 GHz, making it a fit for high-frequency video, telecom, or instrumentation signal paths where a 75 Ohm characteristic impedance is required.
The 12 GHz frequency ceiling means it handles signals up to 12 GHz before the insertion loss climbs; for typical 75 Ohm applications like broadcast video or high-speed data, that's plenty of headroom.
Mounting and Termination — What to Expect on the Board
The end launch footprint is typically a cutout in the PCB edge with plated half-holes; the connector aligns to those half-holes and gets soldered. This is a common approach for RF modules where you want the coax interface at the board boundary without a long trace run. The snap-on fastening mates with a standard MCX plug — no threading, no bayonet, just push until it clicks.