SMA Panel-Mount Receptacles Amphenol RF SMA Panel-Mount Receptacles offer superior VSWR performance up to 18GHz and come in 2-hole and 4-hole flange configurations. These receptacles include a stainless steel body with passivated or gold finish. The termination option includes post contacts with extended polytetrafluoroethylene (PTFE) insulators as well as a solder cup, tab, and slotted contacts. The series operates in a -65°C to +105°C temperature range and offers 50Ω impedance and 5000MΩ insulation resistance. Amphenol RF SMA Panel-Mount Receptacles are ideal for use in attenuators, couplers, detectors, microwave filters, solid-state switches, and RF amplifiers.