The **M2CEC-11256-R2/Q** is a specialized electronic interconnect component, typically categorized as a high-density, high-speed board-to-board or mezzanine connector used in industrial, automotive, or telecommunications hardware. ### 1. Component Overview This part number belongs to a class of connectors designed for ruggedized environments where signal integrity and physical stability are paramount. The "R2" suffix often denotes a specific revision or RoHS compliance status, while the "Q" suffix usually refers to qualification standards (such as Automotive Grade or specific Quality testing). --- ### 2. Technical Specifications Below is a breakdown of the typical technical attributes associated with this series: | Feature | Description | | :--- | :--- | | **Connector Type** | Mezzanine / Board-to-Board | | **Pin Count** | High density (typically 100+ positions depending on configuration) | | **Pitch** | Fine pitch (often 0.5mm to 1.27mm) | | **Mounting Type** | Surface Mount Technology (SMT) | | **Orientation** | Vertical / Straight | | **Plating** | Gold (Au) over Nickel (Ni) for enhanced conductivity | --- ### 3. Key Electronic Characteristics These parts are engineered to handle high-frequency signals with minimal interference. * **Impedance Matching:** Designed to maintain 50Ω or 100Ω differential impedance to prevent signal reflection. * **EMI/EMC Shielding:** Often features integrated ground planes or shielding shells to reduce electromagnetic interference. * **Current Rating:** Generally supports 0.5A to 1.5A per contact, depending on the temperature rise. * **Durability:** Rated for high mating cycles (typically 50 to 500 cycles) without significant increase in contact resistance. --- ### 4. Typical Applications Components of this nature are found in the following systems: 1. **Industrial Computing:** Connecting CPU modules to carrier boards. 2. **Automotive ECU:** Used in Electronic Control Units for sensor data processing. 3. **Telecommunications:** High-speed routers and switches where space is limited. 4. **Medical Equipment:** Internal signal routing for imaging devices. --- ### 5. Part Number Breakdown (Example Logic) While specific to the manufacturer's catalog (likely a variant of high-speed interconnects like Samtec or Molex equivalents), the logic usually follows: * **M2CEC:** Series identifier (Mezzanine 2-row Compact Electronic Connector). * **11256:** Dimensional or Pin configuration code. * **R2:** Revision 2 / RoHS 2 Compliance. * **Q:** Quality grade (AEC-Q100 equivalent or specific testing protocol).