The **M2MS-E-R/Q** is a specific variant of high-performance connectors, typically associated with the **M2MS series** produced by manufacturers like **ITT Cannon** or specialized interconnect suppliers. These parts are designed for high-density, mission-critical applications such as avionics, telecommunications, and industrial automation. Below is a detailed breakdown of the electronic and physical characteristics of this component. --- ### 1. Component Specifications The nomenclature typically breaks down into the following electronic and mechanical properties: | Feature | Description | | :--- | :--- | | **Series Type** | **M2MS** - Micro-Miniature Shell or Rectangular Micro Connector. | | **Coupling/Locking** | **E** - Often denotes an Environmentally sealed or specific Mounting style (e.g., Extended). | | **Termination** | **R** - Typically indicates **Right Angle** PCB mount or Rear-release contacts. | | **Material/Plating** | **Q** - Refers to specific contact plating (often Gold) or a specific Shell Finish. | ### 2. Electronic Characteristics These parts are engineered for signal integrity and low resistance. * **Contact Resistance:** Extremely low (typically < 10-15 mΩ) to ensure minimal voltage drop. * **Current Rating:** Designed for signal-level currents, usually ranging from **1A to 3A per contact** depending on the wire gauge used. * **Dielectric Withstanding Voltage:** Usually rated at **500V to 600V AC** at sea level to prevent arcing between closely spaced pins. * **Insulation Resistance:** High-grade insulators (like Diallyl Phthalate or Polyphenylene Sulfide) provide resistance of **> 5000 MΩ**. ### 3. Key Physical Components 1. **Contacts:** Usually made of a copper alloy with high-grade gold plating to prevent oxidation and ensure reliable connectivity over hundreds of mating cycles. 2. **Insulator/Dielectric:** A rigid plastic insert that holds the pins in place, designed to withstand high soldering temperatures. 3. **Shell:** A metal housing (often Aluminum or Stainless Steel) that provides EMI/RFI shielding to protect sensitive electronic signals from interference. 4. **Hardware:** The "R/Q" designation often implies specific mounting hardware like jackposts or guide pins for alignment. ### 4. Typical Applications Due to their ruggedized nature, these parts are found in: * **Aerospace:** Cockpit instrumentation and flight control systems. * **Medical:** Diagnostic equipment requiring high-density signal paths. * **Military:** Portable communication devices and ruggedized computers. ---