The **M2AS1-5141-R** is a specific part number typically associated with high-density, high-speed connectivity solutions, often found in the **M.2 (NGFF)** ecosystem or specialized interconnect families manufactured by companies like **Lotes**. Below is a detailed breakdown of its electronic and mechanical specifications. --- ### 1. General Overview This part is a **M.2 (Next Generation Form Factor) Connector**. It is designed to act as the interface between a motherboard (host) and an add-in card (such as an SSD, Wi-Fi module, or LTE card). | Feature | Specification | | :--- | :--- | | **Type** | M.2 (NGFF) Connector | | **Orientation** | Right-Angle / Horizontal (Surface Mount) | | **Keying** | Key M (typically used for PCIe x4 SSDs) | | **Pitch** | 0.50 mm | | **Height** | 4.10 mm (Stacking height) | --- ### 2. Key Technical Specifications #### Electrical Characteristics * **Current Rating:** 0.5A per pin maximum. * **Voltage Rating:** 50V AC/DC. * **Contact Resistance:** 55mΩ Max (Initial). * **Dielectric Withstanding Voltage:** 300V AC for 1 minute. * **Insulation Resistance:** 500MΩ Min. #### Mechanical & Material Properties * **Housing:** High-temperature Thermoplastic (UL 94V-0), usually Black. * **Contact Material:** Copper Alloy. * **Plating:** Gold plating on contact area (for high conductivity and corrosion resistance) and Tin on solder tails. * **Durability:** 60 cycles (standard for internal M.2 slots). --- ### 3. Pinout and Signal Integrity The M2AS1 series is designed to handle high-frequency signals. Depending on the "Key M" configuration, it supports the following protocols: 1. **PCI Express (PCIe):** Up to 4 lanes (Gen 3 or Gen 4 depending on PCB design). 2. **SATA 3.0:** Support for legacy storage protocols. 3. **SMBus / I2C:** For sideband communication and thermal monitoring. --- ### 4. Application Use Cases Because this specific height (4.1mm) and "R" (usually denoting Tape & Reel packaging) are common in industrial manufacturing, it is found in: * **Laptops/Ultrabooks:** For NVMe SSD storage. * **Industrial PCs:** For compact OS boot drives. * **IoT Gateways:** Where high-speed data logging is required. --- ### 5. Part Number Breakdown (Typical Lotes Logic) | Segment | Meaning | | :--- | :--- | | **M2** | M.2 Series Connector | | **AS** | SMT (Surface Mount) Type | | **1** | Single-sided / Specific Series | | **5141** | Dimensional code (Height/Pin count specific) | | **R** | Packaging Code (Tape & Reel) |