The **M2PHS2H-A2-R** is a specific part number belonging to the **M2PHS series** of high-density, high-speed board-to-board connectors, typically manufactured by companies like **Adam Tech** or similar interconnect specialists. These components are designed for high-performance computing and telecommunications hardware. --- ### 1. Technical Specifications Below are the primary electronic and mechanical characteristics of the M2PHS2H-A2-R: | Feature | Specification | | :--- | :--- | | **Component Type** | Pin Header (Male) | | **Pitch** | 2.00 mm (0.079") | | **Mounting Type** | Surface Mount (SMT) / Through-Hole (Model Dependent) | | **Number of Rows** | Dual Row (2) | | **Termination Style** | Horizontal (Right Angle) | | **Contact Plating** | Gold Flash or Selective Gold | | **Insulator Material** | High-Temperature Thermoplastic (UL94V-0) | | **Current Rating** | ~2.0A per contact | --- ### 2. Breakdown of the Part Number While nomenclature varies slightly by manufacturer, the code usually breaks down as follows: 1. **M2P**: Refers to the **2.00mm Pitch** series. 2. **HS**: Indicates **High-Speed** or **High-Density** configuration. 3. **2H**: Represents a **Dual Row, Horizontal** (Right Angle) orientation. 4. **A2**: Typically defines the **pin length** or specific dimensioning of the mating side. 5. **R**: Usually stands for **RoHS Compliant** or **Reel Packaging**. --- ### 3. Key Electronic Functions * **Signal Integrity:** Designed to minimize crosstalk and impedance mismatch in high-speed data transmission. * **Current Distribution:** Capable of handling low-power distribution alongside signal lines, making it ideal for daughtercard-to-backplane connections. * **Durability:** The gold plating ensures low contact resistance and prevents oxidation over thousands of mating cycles. ### 4. Common Applications * **Embedded Systems:** Connecting CPU modules to carrier boards. * **Networking Gear:** Switches, routers, and server blades. * **Industrial Automation:** PLCs and motor control logic boards where space is at a premium. ---