The **JR16-R-4LMP11** belongs to a specific series of industrial-grade connectors, typically part of the **Hirose (HRS) JR Series**. These connectors are designed to meet the rigorous demands of industrial equipment, communication devices, and high-reliability electronics. --- ### 1. Component Breakdown The part number follows a specific nomenclature that defines its mechanical and electrical characteristics: | Code Segment | Description | Specific Detail | | :--- | :--- | :--- | | **JR** | Series Name | Hirose JR Series (Standardized Circular) | | **16** | Shell Size | Outer diameter of the mating interface (16mm) | | **R** | Connector Type | **R** stands for **Receptacle** (Panel mount) | | **4** | Number of Pins | Contains 4 electrical contacts | | **L** | Contact Gender | **L** signifies Female contacts (Solder type) | | **MP** | Shell Material | Metal Plug/Shell (High durability) | | **11** | Variation Code | Specific configuration or revision number | --- ### 2. Key Technical Specifications These connectors are built for stability and low resistance. * **Current Rating:** Typically 5A to 10A per pin (depending on wire gauge). * **Voltage Rating:** AC 300V / DC 420V. * **Contact Resistance:** Maximum 5 mΩ at DC 1A. * **Insulation Resistance:** Minimum 1,000 MΩ at DC 500V. * **Mating Cycles:** Durable for 500+ insertions/extractions. * **Vibration Resistance:** Designed to withstand high-frequency industrial vibration without signal loss. --- ### 3. Physical Construction The JR16 series is favored for its rugged build: 1. **Shell:** Zinc alloy or Aluminum alloy with nickel plating for corrosion resistance. 2. **Insulator:** PPS (Polyphenylene Sulfide) resin, providing high heat resistance and UL94V-0 flammability rating. 3. **Contacts:** Copper alloy with Silver or Gold plating for superior conductivity. 4. **Coupling:** Screw-lock mechanism (Threaded) ensuring the connection does not vibrate loose. --- ### 4. Typical Applications Because of its 4-pin configuration and robust shell, it is commonly used in: * **Industrial Motors:** Power supply for small servo or stepper motors. * **Medical Equipment:** High-reliability power and signal transmission. * **Test & Measurement:** Connections for sensors and diagnostic tools. * **Broadcast Media:** Professional audio/video equipment connections. ---