SMA Female to TNC Female 4H Panel Mount Adapter

Description

The SMA Female to TNC Female 4-Hole Panel Mount Adapter is a specialized “between-series” RF component designed for secure mounting on chassis, cabinets, or equipment panels where standard bulkhead nuts may not provide sufficient stability. It features an SMA Jack (Female) on one side and a TNC Jack (Female) on the other, integrated into a single body with a precision-machined square flange. The flange includes four pre-drilled mounting holes, allowing the adapter to be bolted directly to a surface for zero-rotation and high-torque resistance.

This adapter is indispensable for engineers who require a rugged, external TNC interface for internal SMA-terminated circuitry in environments prone to extreme vibration or mechanical shock. The 4-hole mount design distributes mechanical stress across the panel, preventing damage to the connector or internal wiring during repeated mating cycles of heavy TNC cable assemblies. Constructed with a heavy-duty nickel-plated brass or stainless steel body and PTFE (Teflon) insulation, it maintains exceptional signal integrity and low VSWR up to 11 GHz.

Key Technical Advantages

• Four-Hole Flange Stability: The integrated square flange provides a superior mechanical anchor compared to single-nut bulkhead mounts, preventing rotation and ensuring long-term alignment.

• Vibration-Proof Transition: The threaded TNC jack ensures a secure, locked connection that resists loosening under physical shock, making it ideal for mobile and tactical equipment.

• Precision RF Pass-Through: Serves as a high-quality bridge for routing microwave signals through panel walls while maintaining a consistent 50 Ohm impedance.

• Superior EMI/RFI Shielding: The broad surface contact of the 4-hole flange against the metal chassis provides an exceptional ground path, significantly reducing signal leakage and interference.

• Maximum Conductivity: High-purity gold or silver plating on both internal center contact sockets ensures ultra-low contact resistance and long-term protection against oxidation.

Key Features

• SMA Female to TNC Female Interface: Consists of an SMA Jack (with socket and external threads) and a TNC Jack (with socket and external threads).

• Integrated 4-Hole Square Flange: Precision-machined for secure bolting to equipment panels and enclosures.

• Nickel-Plated Brass Construction: Offers superior corrosion resistance and professional-grade durability for military, aerospace, and industrial applications.

• Premium PTFE Dielectric: Offers high thermal stability and maintains consistent electrical performance across its frequency range.

• Industrial Durability: Rated for at least 500 mating cycles, ensuring reliable performance in high-traffic test and field communication systems.

Technical Summary