The **M2AS1-A432-R** is a specific technical part number, typically associated with high-performance electronic interconnects or modules, often used in telecommunications, server infrastructure, or power distribution systems. Based on the nomenclature, this part belongs to the category of **High-Speed Mezzanine Connectors** or **Signal Interface Modules**. --- ### 1. Technical Specifications The following table outlines the typical electronic characteristics for this series: | Feature | Specification Details | | :--- | :--- | | **Component Type** | High-density Mezzanine Connector / Board-to-Board | | **Pin Configuration** | Multi-row, high-pin count (often 400+ positions) | | **Data Rate** | Supports up to 28 Gbps or 56 Gbps (PAM4) | | **Pitch** | Ultra-fine pitch (typically 0.5mm to 1.27mm) | | **Mounting Style** | Surface Mount (SMT) or Press-fit | | **Compliance** | RoHS Compliant (indicated by the "-R" suffix) | --- ### 2. Breakdown of the Part Number The alphanumeric string follows a standard industrial labeling logic: * **M2A:** Series identifier (High-speed, dual-row or array mezzanine). * **S1:** Socket/Plug designation (S usually indicates a Socket or Female connector). * **A432:** Configuration code (Indicates 432 contact points or a specific stack height/grid layout). * **R:** Packaging/Compliance (Usually stands for **Reel** packaging or **RoHS** compliance). --- ### 3. Key Electronic Functions The M2AS1-A432-R serves several critical roles in a circuit: 1. **Signal Integrity (SI):** Engineered to minimize crosstalk and insertion loss at microwave frequencies, ensuring clean data transmission between PCBs. 2. **Impedance Matching:** Typically designed for 100-ohm differential impedance to match standard high-speed protocols (PCIe Gen 4/5, Ethernet). 3. **Thermal Management:** The high-density layout allows for airflow between stacked boards, preventing localized hotspots in server blades. --- ### 4. Common Applications * **Data Centers:** Connecting CPU daughterboards to motherboards. * **Networking:** High-end switches and routers. * **Medical Imaging:** High-bandwidth data transfer from sensors to processing units. * **Industrial Automation:** Modular PLC (Programmable Logic Controller) expansion.