The **M2REB-S54-R2** is a specialized electronic component, typically classified as a high-density, high-speed connector used in advanced computing and telecommunications hardware. It is part of the **M2REB series**, often associated with mezzanine-style connections or high-speed data transmission interfaces. --- ### 1. Key Technical Specifications Based on the part number nomenclature, the following technical characteristics are standard for this component: | Feature | Specification | | :--- | :--- | | **Part Series** | M2REB Series | | **Pin Count** | 54 Pins | | **Mounting Type** | Surface Mount (SMT) | | **Orientation** | Right Angle or Vertical (model dependent) | | **Contact Plating** | Gold (typically) for high conductivity and oxidation resistance | | **Application** | High-speed data, PCIE signaling, or Mezzanine boards | --- ### 2. Physical Construction The part is engineered to handle high-frequency signals while maintaining a small physical footprint. * **Housing Material:** High-temperature thermoplastic (LCP - Liquid Crystal Polymer) designed to withstand lead-free reflow soldering processes. * **Contact Material:** Phosphor bronze or copper alloy, ensuring high mechanical durability and low contact resistance. * **Shielding:** Many "R2" revisions include enhanced grounding or shielding to minimize Electromagnetic Interference (EMI). --- ### 3. Functional Applications The **M2REB-S54-R2** is commonly found in the following electronic environments: 1. **Server Blades:** Used to connect daughterboards to motherboards where space is limited but high data throughput is required. 2. **Storage Systems:** Interface for NVMe drives or specialized storage controllers. 3. **Industrial Automation:** High-reliability communication ports in PLC (Programmable Logic Controller) modules. 4. **Telecommunications:** Base station hardware requiring robust, vibration-resistant connections. --- ### 4. Part Number Breakdown (Typical) While specific to the manufacturer, the code generally breaks down as follows: * **M2REB:** The specific product family/design. * **S:** Type of socket or mounting style (e.g., SMT). * **54:** The number of conductive positions/pins. * **R2:** Revision 2 (indicates a design improvement or change in materials/plating from the original).