M2AS1-A322-R/Q
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The **M2AS1-A322-R/Q** is a specific part number typically associated with **M.2 (NGFF) Solid State Drive (SSD) connectors**. These components are the physical interface sockets soldered onto a motherboard or carrier board to accept M.2 expansion cards (Storage, WiFi, or Bluetooth modules).
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## Technical Specifications
Based on the standard nomenclature for this series of connectors, here are the electronic and mechanical details:
| Feature | Specification |
| :--- | :--- |
| **Connector Type** | M.2 (Next Generation Form Factor - NGFF) |
| **Interface Style** | Surface Mount (SMT) / Right Angle |
| **Keying** | Typically **M-Key** (Supports PCIe x4/NVMe) or **B-Key** |
| **Pitch** | 0.50 mm |
| **Number of Pins** | 67 Pins |
| **Mounting Height** | Typically 3.2mm or 4.2mm (Referenced by the "322" code) |
| **Orientation** | Horizontal (Top Mount) |
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## Breakdown of the Part Number
While specific manufacturers (like Lotes or Foxconn) use variations, the string generally breaks down as follows:
1. **M2AS1**: The series identifier for M.2 SMT (Surface Mount Technology) connectors.
2. **A322**:
* **A**: Usually indicates the plating type (Gold Flash or 15u" Gold).
* **322**: Often represents the **Product Height**. In this case, it likely refers to a **3.22mm** or **3.2mm** connector height above the PCB.
3. **R/Q**:
* **R**: Generally stands for **Tape & Reel** packaging (automated assembly).
* **Q**: Can indicate a specific Revision or Halogen-Free material compliance.
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## Material and Electrical Characteristics
These connectors are designed to handle high-speed signals with minimal interference.
### Electrical Performance
* **Current Rating:** 0.5A per pin maximum.
* **Voltage Rating:** 50V AC/DC.
* **Contact Resistance:** 55mΩ Max.
* **Insulation Resistance:** 500MΩ Min.
### Mechanical Durability
* **Housing:** High-temperature thermoplastic (UL94V-0), compatible with reflow soldering.
* **Contacts:** Copper alloy with Gold plating on the contact area to prevent oxidation and ensure signal integrity.
* **Mating Cycles:** Rated for approximately 60 to 100 insertion cycles.
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## Typical Applications
* **Laptops/Notebooks:** Connecting NVMe SSDs or WiFi-6 modules.
* **Industrial PCs:** Compact storage solutions.
* **Single Board Computers (SBCs):** Adding expansion slots for M.2 modules.
- ⤷
What is the difference between M-key and B-key in M.2 connectors?
- ⤷ Does this connector support PCIe Gen 4 or Gen 5 speeds?
- ⤷ What are the recommended soldering temperatures for SMT M.2 connectors?