M2AS1-5244-R/N
AI

The **M2AS1-5244-R/N** is a specialized high-speed connector, typically part of the **M2AS series** produced by manufacturers like **Lotes**. This specific part is designed for **M.2 (NGFF - Next Generation Form Factor)** applications, commonly used in laptops, desktops, and embedded systems for SSDs or wireless cards.
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### 1. Technical Specifications
Below are the general technical parameters associated with this class of electronic component:
| Feature | Specification |
| :--- | :--- |
| **Connector Type** | M.2 (NGFF) Card Edge |
| **Pin Count** | 67-Pin / 75-Position |
| **Keying** | Typically "M" Key or "B" Key (Application dependent) |
| **Mounting Type** | Surface Mount (SMT) |
| **Orientation** | Right Angle / Horizontal |
| **Pitch** | 0.50 mm |
| **Operating Height** | 4.2mm - 4.4mm (Mid-plane/Standard mount) |
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### 2. Key Internal Components & Materials
The construction of the M2AS1-5244-R/N involves high-performance materials to ensure signal integrity at high frequencies (PCIe Gen 3/4/5).
* **Housing:** High-temperature thermoplastic (LCP - Liquid Crystal Polymer), capable of withstanding lead-free reflow soldering temperatures.
* **Contacts:** Copper alloy base for conductivity, typically plated with **Gold (Au)** over Nickel (Ni) to prevent corrosion and maintain low contact resistance.
* **Solder Pegs/Nails:** Metal tabs on the sides that provide mechanical stability and strain relief to prevent the connector from lifting off the PCB during SSD installation.
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### 3. Electrical & Signal Characteristics
This part is engineered to handle high-speed data protocols. Its design focuses on minimizing impedance mismatch and crosstalk.
1. **Data Rate Support:** Compatible with **PCIe Gen 4** and **Gen 5** (depending on PCB layout), SATA 3.0, and USB 3.0/4.0.
2. **Current Rating:** Generally 0.5A per pin.
3. **Voltage Rating:** 50V AC/DC.
4. **Contact Resistance:** Max 40mΩ to 55mΩ (initial).
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### 4. Application Usage
The "R/N" suffix often denotes specific packaging (Tape & Reel) and environmental compliance (Halogen-Free/RoHS).
* **Storage:** NVMe SSD slots in Ultrabooks and Motherboards.
* **Connectivity:** High-speed WAN/LAN modules.
* **Industrial:** Embedded computing boards requiring compact, vibration-resistant storage interfaces.
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- ⤷
What is the specific 'Key' configuration (A
- ⤷ B
- ⤷ E
- ⤷ or M) for this model number?
- ⤷ Does this connector support PCIe Gen 5 signal integrity requirements?
- ⤷ What are the recommended reflow soldering profiles for the Lotes M2AS series?