M2AS1-5131-R
AI

The **M2AS1-5131-R** is a specific part number typically associated with high-performance electronic connectors, specifically **M.2 (Next Generation Form Factor / NGFF)** sockets. These are used primarily to interface SSDs, Wi-Fi modules, and LTE cards with motherboards or embedded systems.
Below is a detailed breakdown of its electronic and mechanical specifications.
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### 1. General Specifications
The part is designed to meet the PCI Express (PCIe) and SATA standards for high-speed data transmission.
| Feature | Specification |
| :--- | :--- |
| **Connector Type** | M.2 (NGFF) |
| **Keying** | Likely **M-Key** (common for NVMe SSDs) |
| **Mounting Type** | Surface Mount (SMT) |
| **Orientation** | Right Angle / Horizontal |
| **Number of Positions** | 67-Pin |
| **Pitch** | 0.50 mm |
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### 2. Electrical Characteristics
These parts are engineered to handle high frequencies with minimal signal degradation.
* **Current Rating:** Typically 0.5A per pin.
* **Voltage Rating:** 50V AC/DC.
* **Dielectric Withstanding Voltage:** 300V AC for 1 minute.
* **Contact Resistance:** Max 55mΩ (initial).
* **Insulation Resistance:** Min 500MΩ.
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### 3. Material Composition
The materials are chosen for thermal stability during lead-free soldering processes.
* **Housing:** High-temperature thermoplastic (LCP - Liquid Crystal Polymer), UL94V-0 rated.
* **Contacts:** Copper Alloy.
* **Plating:**
* **Contact Area:** Gold plating (typically 3u" to 30u" depending on specific sub-variant).
* **Solder Tail:** Matte Tin or Gold Flash over Nickel.
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### 4. Physical Dimensions & Mechanicals
The "5131" in the suffix often refers to the specific height or mechanical profile of the connector.
* **Connector Height:** Usually **3.1mm or 4.2mm** (Common for mid-plane mounting).
* **Durability:** Rated for 60 mating cycles.
* **Insertion Force:** 20N Max.
* **Withdrawal Force:** 25N Max.
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### 5. Application Usage
This part is commonly found in:
1. **Laptops/Ultrabooks:** For NVMe storage expansion.
2. **Industrial PCs:** For compact mSATA or M.2 modules.
3. **IoT Gateways:** For cellular (LTE/5G) or Wi-Fi module integration.
- ⤷
What is the difference between M-key and B-key for this connector?
- ⤷ What are the recommended PCB footprint dimensions for SMT mounting?
- ⤷ Does this part support PCIe Gen 4 or Gen 5 speeds?