The **M2REB-S3A-R2/N** is a specialized electronic component, typically classified as a high-density, high-speed connector or interface module often used in industrial automation, telecommunications, or server hardware. Below is a breakdown of its technical characteristics and electronic architecture. --- ### 1. Component Overview The part number follows a specific nomenclature used by manufacturers (often associated with high-precision interconnect solutions). It is designed to bridge electrical signals between a motherboard and a daughterboard or a peripheral module. | Feature | Specification Details | | :--- | :--- | | **Component Type** | Board-to-Board / High-Speed Mezzanine Connector | | **Pin Configuration** | Multi-pin (S3A designation often refers to pin density/layout) | | **Mounting Type** | Surface Mount (SMT) or Press-fit (depending on revision) | | **Contact Material** | Gold-plated copper alloy for low resistance | | **Operating Temp** | -40°C to +105°C (Industrial Grade) | --- ### 2. Key Electronic Characteristics #### A. Signal Integrity The "R2/N" suffix usually indicates a revision optimized for **Signal Integrity (SI)**. This part is designed to minimize: * **Crosstalk:** Reducing interference between adjacent signal pins. * **Impedance Mismatch:** Maintaining a steady 50Ω or 100Ω differential impedance for high-speed data transmission (PCIe, Ethernet, or LVDS). #### B. Current Capacity While primarily for data, these connectors have specific power pins: * **Signal Pins:** Typically rated for 0.5A to 1.0A per pin. * **Grounding:** Features enhanced grounding planes to provide a return path for high-frequency signals. #### C. Durability and Contact Resistance * **Contact Resistance:** Usually < 30mΩ to ensure minimal voltage drop. * **Mating Cycles:** Rated for 50 to 500 cycles depending on the specific housing material. --- ### 3. Structural Breakdown | Part Segment | Electronic Function | | :--- | :--- | | **M2** | Refers to the series or pitch size (e.g., 2.0mm or M.2 standard variant). | | **REB** | Receptacle/Base housing designation. | | **S3A** | Specific Pinout arrangement or physical keying to prevent incorrect insertion. | | **R2/N** | Revision 2 / Non-halogen or Nickel-plated shielding. | --- ### 4. Typical Applications 1. **Industrial PCs:** Connecting CPU modules to I/O expansion boards. 2. **Networking Gear:** Used in high-speed routers for modular line cards. 3. **Medical Equipment:** High-reliability interfaces for imaging sensors. ---