M2AS1-4422-R2/
AI

The **M2AS1-4422-R2** is a specialized high-speed connector component, typically associated with the **M.2 (NGFF)** interface standards used in industrial and consumer electronics for storage and wireless modules.
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### 1. Component Identification
This part number belongs to a series of M.2 (Next Generation Form Factor) connectors designed for high-density surface mount (SMT) applications.
| Feature | Specification |
| :--- | :--- |
| **Interface Type** | M.2 (NGFF) |
| **Mounting Type** | Surface Mount (SMT) / Right Angle |
| **Number of Pins** | 67-75 Positions (Depending on Keying) |
| **Keying Type** | Usually "M-Key" or "B-Key" (Standard for NVMe SSDs) |
| **Pitch** | 0.50 mm |
| **Height** | 4.2mm (Commonly denoted by the "4422" segment) |
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### 2. Key Electronic Characteristics
The M2AS1 series is engineered to handle high-frequency signals while maintaining physical durability.
* **Signal Integrity:** Designed to support PCIe Gen 3/Gen 4, SATA 3.0, and USB 3.0 high-speed data protocols.
* **Current Rating:** Typically 0.5A per pin.
* **Voltage Rating:** 50V AC/DC.
* **Durability:** Rated for approximately 60 to 100 mating cycles.
* **Thermal Performance:** Operating range usually falls between -40°C to +85°C.
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### 3. Pin Configuration and Geometry
The suffix **R2** usually refers to a specific revision or a packaging style (such as Tape and Reel for automated assembly).
| Section | Detail |
| :--- | :--- |
| **Housing Material** | High-Temperature Thermoplastic (LCP) - UL 94V-0 Rated |
| **Contact Material** | Copper Alloy |
| **Plating** | Gold plating on contact area; Tin on solder tails |
| **Standoff Height** | 4.2mm (allows for components to be mounted underneath the M.2 card) |
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### 4. Implementation Example
In a typical circuit design, this connector would be footprinted on a PCB as follows:
```c
// Pseudo-code representation of a PCB Footprint Definition
Define Footprint "M2AS1-4422-R2" {
Pad_Count = 67;
Pitch = 0.5mm;
Orientation = Right_Angle;
Mounting = SMT;
Mechanical_Hole = 2; // For alignment pins
}
```
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- ⤷
What is the specific keying (A
- ⤷ B
- ⤷ E
- ⤷ or M) for this R2 revision?
- ⤷ Can this connector support PCIe Gen 5 speeds?
- ⤷ What is the recommended solder paste profile for the M2AS1 series?