RF Industries RSA-3261 SMA Female Flange RF Connector Panel Mount Solder Cup

The RF Industries RSA-3261 is a panel-mount SMA female connector engineered for reliable, permanent installation in chassis walls, enclosures, and RF equipment panels. Its two-hole flange mounting configuration provides a mechanically secure, vibration-resistant attachment point compared to single-hole bulkhead styles, making it well suited for demanding fixed-installation environments such as test benches, antenna distribution systems, and communication equipment assemblies. The solder cup termination on the center pin and outer conductor delivers a clean, low-resistance connection to coaxial cable center conductors and ground braids. Material choices reflect RF-grade standards: a nickel-plated body for corrosion resistance and consistent conductivity, a gold-plated center pin for oxidation-free signal transfer at the critical contact interface, and a PTFE dielectric that maintains stable electrical characteristics across a wide temperature range while providing excellent insulation.

Key features & benefits

• Two-Hole Flange Panel Mount — The dual-hole flange secures the connector firmly to a panel or chassis, reducing mechanical stress on the mating interface and minimizing connector movement in high-vibration or high-cycle-count installations.
• Gold-Plated Center Pin — The gold-plated central contact resists oxidation and corrosion over time, preserving low contact resistance and signal integrity at the critical conductor junction.
• Nickel-Plated Body — Nickel cladding on the connector body provides a durable, corrosion-resistant outer surface suitable for long-term fixed installations in varied environmental conditions.
• PTFE Dielectric — Polytetrafluoroethylene dielectric material offers excellent electrical insulation, low dielectric loss, and thermal stability, all of which contribute to consistent RF performance across temperature extremes.
• Solder Cup Termination — The solder cup interface allows for precise, repeatable hand-soldering of the center conductor, giving technicians a secure mechanical and electrical bond without requiring specialized crimping tooling.
• SMA Female Interface — The standard SMA female mating interface ensures broad compatibility with the extensive ecosystem of SMA male connectors and cables used across RF, microwave, and wireless communication applications.