M2AS1-4323-R
AI

The **M2AS1-4323-R** is a specific electronic component belonging to the category of **High-Speed Connectivity Solutions**, typically associated with M.2 (Next Generation Form Factor) interface standards.
Below is a detailed breakdown of its technical characteristics and electronic composition.
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### 1. General Specification
The part is primarily identified as an **M.2 Connector** (specifically an M-Key configuration) used for mounting SSDs or other high-speed modules onto a PCB.
| Attribute | Specification |
| :--- | :--- |
| **Connector Type** | M.2 (NGFF) |
| **Orientation** | Right Angle / Surface Mount (SMT) |
| **Keying** | M-Key (Typically for PCIe x4 NVMe SSDs) |
| **Height** | 4.3mm (Common profile for laptop/embedded use) |
| **Pin Count** | 67-Pin |
| **Mounting Type** | SMT + Hold-down posts/tabs |
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### 2. Physical & Material Composition
The electronic integrity of this part depends on its material engineering:
* **Contacts:** Usually made of a high-conductivity **Copper Alloy**. To prevent oxidation and ensure low signal loss at high frequencies, the contacts are typically plated with **Gold (Au)** over Nickel.
* **Housing:** High-temperature thermoplastic (e.g., LCP - Liquid Crystal Polymer). This allows the part to withstand **Reflow Soldering** temperatures (up to 260°C).
* **Solder Tabs:** Stainless steel or copper alloy with tin plating for mechanical stability and grounding to the PCB.
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### 3. Electrical Performance
This component is designed to handle high-speed data protocols such as **PCIe Gen 3, Gen 4, and SATA 3.0**.
| Parameter | Value |
| :--- | :--- |
| **Voltage Rating** | 50V AC/DC |
| **Current Rating** | 0.5A per pin maximum |
| **Contact Resistance** | < 55 mΩ (typically) |
| **Insulation Resistance** | > 500 MΩ |
| **Dielectric Strength** | 300V AC for 1 minute |
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### 4. Mechanical & Environmental Features
* **Durability:** Rated for approximately 60 mating cycles.
* **Vibration Resistance:** Designed for mobile and industrial applications where high-frequency vibration occurs.
* **Operating Temperature:** Typically rated from **-40°C to +85°C**, making it suitable for industrial-grade hardware.
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### 5. Application Circuit Usage
In a typical PCB design, the M2AS1-4323-R acts as the physical bridge between:
1. **The Host Controller:** (CPU or PCH via differential pairs).
2. **The Peripheral:** (NVMe SSD, AI Accelerator, or Wireless module).
It requires a specific **PCB Footprint** with precise land patterns for the 0.5mm pitch pins and mechanical grounding pads for EMI shielding.
- ⤷
What is the recommended PCB footprint for the M2AS1 series?
- ⤷ How does M-Key differ from B-Key in terms of pinout?
- ⤷ What are the common failure modes for SMT M.2 connectors?