The **M2AS1-5111-R2** is a high-performance **M.2 (NGFF) connector** designed for internal mounting on Printed Circuit Boards (PCBs). These connectors are standardized for slim devices like laptops, NUCs, and industrial embedded systems to accommodate SSDs, Wi-Fi modules, and LTE cards. Below is the technical breakdown of its electronic and mechanical specifications. --- ### 1. General Specifications This part follows the PCI Express M.2 specification standards. The "R2" suffix typically denotes a specific revision related to packaging (like Tape & Reel) or minor material adjustments. | Feature | Specification | | :--- | :--- | | **Connector Type** | M.2 (Next Generation Form Factor - NGFF) | | **Orientation** | Right Angle / Horizontal SMT | | **Pitch** | 0.50 mm | | **Number of Positions** | 67 Pins | | **Mounting Height** | Typically 3.2mm or 4.2mm (standard profile) | | **Keying** | Usually **M-Key** (for PCIe x4 SSDs) | --- ### 2. Electrical Characteristics The electronic integrity of this connector is designed to handle high-speed data signals (PCIe Gen 3/4 and SATA 3.0). * **Current Rating:** 0.5A per pin maximum. * **Voltage Rating:** 50V AC/DC. * **Contact Resistance:** 55 mΩ Max (initial). * **Insulation Resistance:** 500 MΩ Min. * **Dielectric Withstanding Voltage:** 300V AC for 1 minute. --- ### 3. Material Composition The choice of materials ensures durability and signal stability over time. | Component | Material | Finish/Notes | | :--- | :--- | :--- | | **Housing** | High-Temp Thermoplastic (LCP) | UL 94V-0 Rated (Heat Resistant) | | **Contacts** | Copper Alloy | Gold plating on contact area | | **Solder Pegs** | Copper Alloy | Tin over Nickel plating | --- ### 4. Pin Configuration and Keying The **M2AS1-5111-R2** is most commonly configured with an **M-Key**: * **M-Key:** Missing pins 59-66. This is the standard for NVMe high-speed SSDs using up to 4 PCIe lanes. * **Data Rates:** Designed to support speeds up to 16Gbps (per lane) depending on the PCB trace quality. --- ### 5. Application Use Cases * **Storage:** NVMe M.2 2242, 2260, or 2280 SSDs. * **Connectivity:** High-speed network interface cards. * **Embedded Computing:** Industrial motherboards where space is a premium. ---