Panel-Mount SMA Receptacle, 50 Ohm to 18 GHz
The 1-1478966-0: It mounts through a panel bulkhead with a front-side nut and a lockwasher, giving you a clean RF ground reference at the chassis wall. The gold-plated stainless steel body handles corrosion in lab, field, or outdoor cabinet environments — the gold finish is a step above the standard passivated stainless or nickel SMA bodies you see on commodity parts. Termination is solder cup on the centre contact — you tin the centre conductor of your coax, feed it into the cup, and solder. No crimp tool required, which makes this a practical choice for prototype builds, field repairs, or short-run cable assemblies where you want a repeatable RF joint without investing in a die set.
The 18 GHz frequency ceiling means this connector supports the full L, S, C, and X bands plus the lower Ku band — enough headroom for most microwave test setups, radar subsystems, and satellite communications gear up to 18 GHz. The 500-cycle rating comes from the gold-on-gold contact interface — the gold-plated beryllium copper centre contact wipes against the gold-plated centre pin of the mating plug. The extended insulation feature (noted in the spec) gives extra dielectric creepage distance between centre and outer conductor — useful in applications where the connector sees DC bias or where condensation could track across a standard insulator.
Mounting and Cable Termination Details
This is a bulkhead-mount receptacle with front-side nut installation — the connector body slides through the panel from the outside, and the nut and lockwasher tighten from behind. The panel cutout is the standard SMA bulkhead hole (0.312-inch diameter), and the lockwasher gives you a positive ground bond to the chassis. No gasket or O-ring is listed, so this is not a sealed bulkhead pass-through; keep it in dry indoor or protected outdoor enclosures unless you add your own sealing compound.