The **M2AS1-6431-R/Q** refers to a high-speed, high-density connector series typically used in telecommunications, data centers, and industrial computing. These parts are often associated with the **M2A series**, which is designed for board-to-board mezzanine applications. --- ### 1. Key Technical Specifications Based on the standard nomenclature for this series, here are the primary electronic and physical characteristics: | Feature | Specification Details | | :--- | :--- | | **Component Type** | Mezzanine Connector (Plug/Receptacle) | | **Data Rate Support** | Up to 28+ Gbps (supporting PCIe Gen 4/5) | | **Pin Count** | High-density configuration (often 40 to 400+ pins) | | **Pitch** | Typically 0.5mm to 0.8mm | | **Mounting Style** | Surface Mount (SMT) | | **Contact Material** | Copper Alloy with Gold Plating | | **Shielding** | Integrated EMI/EMC shielding options | --- ### 2. Functional Components The "Electronic Parts" within this assembly serve specific signal integrity functions: * **Differential Pairs:** The internal pins are arranged to support differential signaling, minimizing crosstalk in high-speed data transmission. * **Grounding Planes:** Built-in ground blades or pins are used to maintain impedance control (typically 85Ω or 100Ω). * **Housing:** High-temperature Liquid Crystal Polymer (LCP) is used to withstand lead-free reflow soldering processes. --- ### 3. Part Number Breakdown (Generalized) While manufacturers vary slightly, the suffix codes typically represent specific variations: 1. **-R:** Usually denotes **Tape and Reel** packaging, used for automated pick-and-place assembly. 2. **-Q:** Often refers to specific **Qualification** levels or a particular pin orientation/stack height variation. --- ### 4. Typical Applications These parts are found in environments where space is limited but high bandwidth is required: * **GPU/NPU Modules:** Connecting AI accelerators to motherboards. * **Networking Switches:** High-speed backplane or daughtercard connections. * **Storage Systems:** High-density SSD array connections. ---