ATS-04A-91-C2-R0
AI

The **ATS-04A-91-C2-R0** is a high-performance electronic thermal management component, specifically a **Heat Sink** manufactured by *Advanced Thermal Solutions (ATS)*. It belongs to the **maxiFLOW™** series, designed to dissipate heat from high-powered semiconductors like CPUs, GPUs, and ASICs.
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## 1. Technical Specifications
The following table highlights the primary mechanical and thermal properties of the component:
| Feature | Specification |
| :--- | :--- |
| **Material** | Aluminum (Blue Anodized) |
| **Dimensions (L x W x H)** | 40mm x 40mm x 10mm |
| **Fin Style** | maxiFLOW (Tapered) |
| **Attachment Method** | pushPIN™ |
| **Thermal Resistance** | 5.71 °C/W (at 200 LFM) |
| **Interface Material** | T766 (Thermal Tape) |
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## 2. Key Electronic & Mechanical Design Features
### A. maxiFLOW™ Fin Geometry
The fins are designed with a specific taper. This geometry is engineered to:
* Increase surface area for heat exchange.
* Reduce pressure drop, allowing more air to flow through the sink rather than around it.
* Enhance "spread" of thermal energy across the aluminum body.
### B. pushPIN™ Attachment System
Unlike simple adhesive sinks, the `R0` designation indicates it uses the **pushPIN™** system:
* **Secure Mounting:** Uses a brass or plastic pin with a high-performance compression spring.
* **Constant Pressure:** Ensures consistent contact between the heat sink and the electronic component (TIM), preventing gaps that lead to overheating.
* **Vibration Resistance:** Ideal for industrial or automotive electronics where physical movement occurs.
### C. Thermal Interface Material (TIM)
The part comes pre-applied with **T766** thermal tape. This eliminates the need for manual application of thermal paste and ensures a low-resistance path for heat to travel from the chip's surface into the aluminum fins.
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## 3. Application Use Cases
The ATS-04A-91-C2-R0 is typically used in the following electronic environments:
1. **Telecommunications:** Cooling of networking switches and routers.
2. **Power Electronics:** Dissipating heat from MOSFETs or Power Management ICs (PMICs).
3. **Computing:** Chipset cooling on motherboards or embedded industrial PCs.
- ⤷
What are the airflow requirements to achieve the maximum cooling efficiency for this heat sink?
- ⤷ How does the pushPIN mounting system compare to standard adhesive-based heat sinks?
- ⤷ Can the pre-applied T766 thermal tape be replaced with a different interface material?