N Female to SMA Male 4H Flange Adapter

Description

The N Female to SMA Male 4-Hole Flange Adapter is a specialized “between-series” RF component designed for flush-mounting onto chassis, cabinets, or bulkhead plates. It features an N-Type Jack (Female) on one side and an SMA Plug (Male) on the other, both precision-mounted into a robust, square metal flange. The flange includes four pre-drilled mounting holes located at each corner, allowing the adapter to be bolted or screwed directly to a flat surface.

This adapter is indispensable for engineers who require maximum mechanical stability for their RF interfaces. Unlike threaded bulkhead adapters, the 4-hole flange design prevents the connector from rotating or loosening under the high torque typical of heavy N-Type cable assemblies. It is widely used to provide an external N-Type interface for internal SMA female ports on microwave modules, amplifiers, and filters. Constructed with a nickel-plated brass body and PTFE (Teflon) insulation, it maintains exceptional signal integrity and low VSWR up to 6 GHz.

Key Technical Advantages

• Maximum Rotational Stability: The 4-hole square flange design ensures the connector cannot spin or shift, even when subjected to extreme cable torque or high-vibration environments.

• Flush-Mount Integration: Provides a clean, professional interface that sits flush against the equipment panel, ideal for rack-mounted systems and industrial enclosures.

• Superior RF Shielding: The broad contact area of the flange against the chassis provides an exceptional ground path, significantly reducing EMI and signal leakage.

• High-Power Durability: The rugged brass construction is designed to handle the mechanical load of large-diameter outdoor coaxial cables without stressing internal circuitry.

• Precision Conductivity: High-purity gold or silver plating on the internal center contacts ensures ultra-low contact resistance and protection against oxidation.

Key Features

• N Female to SMA Male Interface: Consists of an N-Type Jack (with socket) and an SMA Plug (with center pin and hex coupling nut).

• Square 4-Hole Flange: Features four mounting holes for secure attachment using standard machine screws or bolts.

• Nickel-Plated Brass Construction: Offers superior corrosion resistance and professional-grade durability for industrial and laboratory use.

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

• Standard 50 Ohm Impedance: Specifically engineered to match standard high-performance wireless communication and microwave test instrumentation.

Technical Summary