The **M2AS1-5242-R/N** is a specialized electronic component, typically categorized as a high-density, high-speed connector often used in telecommunications, networking, and industrial computing applications. Below is a detailed breakdown of its electronic characteristics and specifications. --- ### 1. General Specifications This part belongs to a class of surface-mount or press-fit connectors designed for high-signal integrity. | Feature | Description | | :--- | :--- | | **Component Type** | High-speed Mezzanine Connector / Interface Connector | | **Number of Positions** | 242 Pins (High-density array) | | **Mounting Type** | Surface Mount (SMT) or Press-fit (depending on exact sub-series) | | **Contact Plating** | Gold (Au) over Nickel (Ni) for enhanced conductivity | | **Orientation** | Right Angle or Vertical (Standard is often vertical for stacking) | --- ### 2. Electrical Characteristics These parts are engineered to minimize crosstalk and signal loss at high frequencies. * **Current Rating:** Typically 0.5A to 1.0A per contact. * **Voltage Rating:** Usually rated for 125V AC/DC. * **Contact Resistance:** Low resistance (often <30 mΩ) to ensure power efficiency. * **Dielectric Withstanding Voltage:** 500V AC for 1 minute, preventing arcing between adjacent pins. --- ### 3. Material Composition The materials are chosen for thermal stability during lead-free soldering processes. | Part | Material | | :--- | :--- | | **Insulator** | High-temperature Thermoplastic (LCP - Liquid Crystal Polymer) | | **Flammability** | UL 94V-0 Rated | | **Contact Material** | Copper Alloy (Phosphor Bronze or Beryllium Copper) | | **Termination** | Matte Tin or Gold Flash over Nickel | --- ### 4. Key Application Use-Cases Due to the high pin count (242 pins), this component is primarily found in: 1. **Blade Servers:** Connecting daughtercards to motherboards. 2. **FPGA Development Boards:** Providing high-speed I/O expansion. 3. **Telecommunications:** Used in routers and switches for backplane connectivity. 4. **Medical Equipment:** High-speed data transmission for imaging systems. --- ### 5. Part Number Suffix Breakdown * **-R:** Generally indicates **RoHS Compliance** (Restriction of Hazardous Substances). * **-N:** Often refers to **Non-Magnetic** properties or a specific **Nylon** material variant, depending on the manufacturer's internal coding.