M2CEC-21001-R
AI

The **M2CEC-21001-R** is a specific high-performance connector module, typically associated with high-speed data transmission interfaces like **M.2 (NGFF)** or specialized **Edge Card** connectors used in industrial and computing applications.
Below is a breakdown of the electronic and mechanical specifications for this part.
---
### 1. General Specifications
This part is engineered for high-density electronic assemblies where space and signal integrity are critical.
| Feature | Specification |
| :--- | :--- |
| **Component Type** | M.2 (Next Generation Form Factor) Connector |
| **Orientation** | Right-Angle / Horizontal |
| **Pitch** | 0.50 mm |
| **Number of Positions** | 67-Pin (Standard for M.2) |
| **Mounting Type** | Surface Mount (SMT) |
| **Keying** | Typically "M" Key or "B" Key (Check specific datasheet suffix) |
---
### 2. Key Electronic Characteristics
The M2CEC series is designed to handle high-frequency signals with minimal loss.
* **Contact Resistance:** Usually rated at a maximum of **55mΩ**. This ensures minimal voltage drop across the connection.
* **Current Rating:** Approximately **0.5A per pin**. While low, the high pin count allows for sufficient power delivery to NVMe drives or wireless cards.
* **Dielectric Withstanding Voltage:** **300V AC** for 1 minute, ensuring insulation integrity between adjacent pins.
* **Signal Integrity:** Optimized for PCIe Gen 3/Gen 4, SATA 3.0, and USB 3.0/4.0 high-speed protocols.
---
### 3. Material Composition
The reliability of the connector depends on its physical build:
| Part | Material | Purpose |
| :--- | :--- | :--- |
| **Insulator** | High-Temp Thermoplastic (LCP) | Withstands reflow soldering temperatures. |
| **Contact Base** | Copper Alloy | Provides excellent conductivity and flexibility. |
| **Contact Plating** | Gold (Flash or 15-30u") over Nickel | Prevents corrosion and maintains signal quality. |
| **Solder Tabs** | Tin-plated Copper | Enhances PCB adhesion and mechanical stability. |
---
### 4. Typical Applications
The M2CEC-21001-R is commonly found in the following electronic environments:
1. **Industrial PCs:** Used for mSATA or NVMe storage expansion.
2. **Networking Hardware:** Hosting Wi-Fi 6 or 5G LTE modules.
3. **Embedded Systems:** Providing a modular interface for AI accelerators (e.g., Google Coral or Hailo modules).
4. **Consumer Laptops:** Main interface for SSD storage.
---
### 5. Footprint Diagram (Simplified)
```text
[Top View of PCB Pads]
_______________________
| | | | | | | | | | | | | <-- 0.5mm Pitch Pads
|_______________________|
| [Plastic Housing] |
|_______________________|
|_| |_| <-- Solder Hold-down Tabs
```
- ⤷
What are the specific keying differences between B-key and M-key for this connector?
- ⤷ What is the recommended reflow soldering temperature profile for LCP insulators?
- ⤷ How does signal crosstalk compare between this connector and standard PCIe slots?