The **M2CEC-23502-R** is a specific electronic component typically categorized as a **Board-to-Board (BTB) High-Density Connector**. These parts are frequently used in telecommunications, server infrastructure, and industrial computing to connect high-speed signal modules to a carrier board. --- ### 1. Key Technical Specifications Based on the standard nomenclature for this series, here are the primary electrical and physical characteristics: | Feature | Specification Details | | :--- | :--- | | **Component Type** | Mezzanine Connector (Plug/Socket) | | **Pitch** | 0.5mm to 1.27mm (varies by specific sub-series) | | **Contact Plating** | Gold (Au) over Nickel (Ni) for high conductivity | | **Mounting Type** | Surface Mount (SMT) | | **Orientation** | Vertical / Straight | | **Application** | High-speed differential signaling | --- ### 2. Composition and Materials The "R" suffix usually denotes **RoHS Compliance** and often indicates that the part is delivered in **Tape and Reel** packaging for automated assembly. * **Housing:** High-temperature thermoplastic (LCP - Liquid Crystal Polymer) capable of withstanding reflow soldering temperatures. * **Contacts:** Copper alloy, providing a balance of mechanical spring force and electrical low-resistance. * **Shielding:** Many versions of this connector include integrated ground planes to reduce EMI (Electromagnetic Interference) and Crosstalk. --- ### 3. Common Applications These connectors are engineered for environments where space is limited but data throughput requirements are high: 1. **COM Express Modules:** Used to connect Computer-on-Modules to carrier boards. 2. **Blade Servers:** Facilitating the connection between CPU boards and backplanes. 3. **Network Switches:** Handling high-speed data packets between logic boards. 4. **Medical Imaging:** Used in portable ultrasound or MRI processing units where signal integrity is critical. --- ### 4. Implementation Example (Footprint) When designing a PCB for this part, engineers typically follow this layout logic: ```c // Example of a Pin-Out Mapping Logic Pin_1: VCC (Power) Pin_2: GND (Ground Shield) Pin_3: TX_P (Differential Transmit Positive) Pin_4: TX_N (Differential Transmit Negative) ... Pin_N: Reserved/GPIO ``` ---