50 Ohm Coaxial Receptacle for Board-Edge RF Launch
The Hirose GT16C-1P-DS is a single-port coaxial receptacle from the GT16 series, designed as the board-mount half of a push-pull RF interconnect. The 50 Ohm impedance and 3 GHz frequency ceiling suit it for signal-level RF paths in telecom, instrumentation, and industrial wireless equipment.
The 3 GHz max frequency is the usable bandwidth; above that the VSWR rises and insertion loss increases, so this connector is not suited for 5G mmWave or high-speed digital beyond that ceiling. The 250 V rating covers typical RF signal levels but limits use in bias-T or power-over-coax circuits that carry higher DC voltages. The tin-plated centre contact (phosphor bronze base) is rated for 30 mating cycles. Tin is adequate for a one-time install or occasional reconnection in a test fixture, but for repeated field mating — say, a portable instrument cable cycled daily — a gold-plated contact would hold up longer. The mounting flange provides additional mechanical retention beyond the solder joints — important when the cable is subject to strain or vibration after installation.
This is the receptacle (board-mount) half with a male centre pin. It mates with a female plug on the cable side — the GT16 series uses a push-pull fastening mechanism for quick connect and disconnect. The centre contact is terminated by soldering; the outer shell and mounting flange are soldered to the PCB ground plane. The housing is gray PBT, with a PPS dielectric around the centre contact.