The part number **31-320-RFX** refers to a high-quality **BNC Straight Plug (Male Connector)** manufactured by **Amphenol RF**. It is a standard RF (Radio Frequency) component used widely in telecommunications, video, and testing equipment. --- ### 1. Technical Specifications Below are the primary technical characteristics of the 31-320-RFX: | Feature | Specification | | :--- | :--- | | **Connector Type** | BNC (Bayonet Neill–Concelman) | | **Gender** | Male (Plug) | | **Impedance** | 50 Ohm | | **Orientation** | Straight | | **Cable Type** | RG-58, RG-141, RG-142, LMR-195 | | **Termination Style** | Crimp | | **Frequency (Max)** | 4 GHz | | **Voltage Rating** | 500V Peak | --- ### 2. Key Components and Materials The "RFX" designation in Amphenol's catalog typically indicates a commercial-grade series that balances performance with cost-effectiveness. * **Body Material:** Brass with Nickel plating for durability and corrosion resistance. * **Contact (Pin):** Brass with Gold plating to ensure high conductivity and minimal signal loss. * **Insulator:** Delrin or PTFE (Teflon), providing high dielectric strength. * **Coupling Mechanism:** Bayonet-style "twist and lock," which allows for quick connection and disconnection without tools. --- ### 3. Applications The 31-320-RFX is commonly found in the following environments: 1. **Test & Measurement:** Oscilloscopes, signal generators, and spectrum analyzers. 2. **Broadcasting:** Video signal transmission (though 75-ohm versions are more common for HD-SDI, 50-ohm is standard for RF). 3. **Wireless Infrastructure:** Connection of antennas to base stations or routers using RG-58 cabling. 4. **Medical Equipment:** Specialized imaging and monitoring devices. --- ### 4. Installation Requirements To properly install this part on a coaxial cable, you generally require: * **A Coax Stripper:** To remove the jacket, braid, and dielectric to specific dimensions. * **A Crimp Tool:** A hex-crimp tool is necessary to secure the ferrule over the braid and the pin onto the center conductor.