The center contact is gold-plated copper alloy, the body is a tin-plated zinc alloy with a black thermoplastic dielectric. This is the plug half of a shielded quadraxial interconnect system used for high-frequency signal paths in automotive infotainment, camera, and telematics modules — anything carrying a differential signal pair plus a shield that needs a controlled impedance channel.
Code A Keying and Mating Half
Code A is the mechanical keying variant of the HSD Fakra interface — it prevents cross-mating with other code variants (B, C, D, E, F, G, H, I, K) in the same connector family. The shield termination is soldered to the PCB ground plane, so the board footprint must include the shield leg pads.