M2AS1-4341-R/Q
AI

The **M2AS1-4341-R/Q** refers to a high-speed, multi-lane connector system, typically associated with the **QSFP (Quad Small Form-factor Pluggable)** or **SFP** cage and connector assemblies used in networking hardware. These parts are engineered for high-density data transmission, such as 40G, 100G, or 400G Ethernet applications.
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### 1. Component Overview
This component is generally a **Stacked Connector and Cage Assembly**. The "Stacked" configuration means it provides two rows of ports (one on top of the other) to maximize port density on a Printed Circuit Board (PCB).
| Feature | Specification Details |
| :--- | :--- |
| **Form Factor** | QSFP+ / QSFP28 (Typical for 4341 series) |
| **Configuration** | 2x1 Stacked (2 ports in a vertical column) |
| **Mounting Type** | Through-hole / Press-fit (Action Pin) |
| **Data Rate** | Up to 28 Gbps per channel (NRZ) or 56 Gbps (PAM4) |
| **Integrated EMI** | Multi-point spring fingers or gaskets |
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### 2. Key Electronic & Mechanical Parts
#### A. The High-Speed Connector
Inside the metal cage sits the actual signal interface.
* **Contacts:** Usually made of a copper alloy with gold plating (often 15μ" or 30μ") to ensure low contact resistance and durability over hundreds of mating cycles.
* **Differential Pairs:** The internal pins are arranged to minimize crosstalk and maintain 100-ohm differential impedance.
#### B. The Shielding Cage
The metal housing (often nickel-silver or stainless steel) serves two purposes:
1. **EMI Shielding:** Prevents Electromagnetic Interference from leaking out of the high-speed data streams.
2. **Heat Dissipation:** Often includes integrated heat sink clips or airflow vents to cool the optical modules plugged into them.
#### C. Press-Fit Pins (Action Pins)
Instead of traditional soldering, these parts often use **Press-fit technology**.
* This reduces thermal stress on the PCB during assembly.
* It ensures a gas-tight connection that is highly resistant to vibration.
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### 3. Electrical Characteristics
Below is a typical breakdown of the electrical performance expected from this class of connector:
| Parameter | Value (Typical) |
| :--- | :--- |
| **Voltage Rating** | 30V AC (Max) |
| **Current Rating** | 0.5A per contact |
| **Insulation Resistance** | 1000 MΩ Minimum |
| **Operating Temp** | -55°C to +85°C |
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### 4. Typical Applications
* **Datacenters:** High-density switches and routers.
* **Storage:** SAN (Storage Area Networks) and Fiber Channel.
* **Telecommunications:** 5G Base stations and core networking equipment.
- ⤷
What are the specific PCB layout requirements for the M2AS1 series press-fit pins?
- ⤷ Does this connector support thermal management accessories like integrated heat sinks?
- ⤷ What is the specific difference between the -R and -Q suffixes in this part number?