ATS-04F-156-C2-R0
AI

The **ATS-04F-156-C2-R0** is a high-performance heat sink manufactured by **Advanced Thermal Solutions (ATS)**. It is part of the "push-pin" series designed for cooling electronic components like CPUs, GPUs, and power modules.
### 1. Technical Specifications
The following table highlights the physical and thermal properties of the component:
| Feature | Specification |
| :--- | :--- |
| **Material** | Aluminum (Blue Anodized) |
| **Dimensions (L x W x H)** | 40mm x 40mm x 25mm |
| **Fin Style** | Straight (optimized for airflow) |
| **Attachment Method** | Push-Pin (with 27mm pitch) |
| **Thermal Resistance** | 4.14 °C/W (@ 1.0 m/s airflow) |
| **Thermal Interface Material** | T766 (pre-applied thermal pad) |
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### 2. Key Electronic Functions
While the heat sink itself is a passive mechanical part, its role in an electronic system is critical for stability and longevity:
* **Thermal Dissipation:** It increases the surface area of the integrated circuit (IC), allowing heat to transfer more efficiently to the surrounding air via convection.
* **Thermal Interface Material (TIM):** The "C2" in the part number indicates it comes with **T766** thermal grease/pad. This fills microscopic air gaps between the chip and the heat sink, reducing thermal impedance.
* **Component Protection:** By maintaining the junction temperature ($T_j$) below the manufacturer's limit, it prevents thermal throttling and permanent silicon damage.
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### 3. Part Number Breakdown
Understanding the nomenclature helps in identifying specific features:
| Segment | Meaning |
| :--- | :--- |
| **ATS** | Manufacturer: Advanced Thermal Solutions |
| **04** | Attachment style (Push-Pin) |
| **F** | Fin height/Style category |
| **156** | Specific footprint/geometry code |
| **C2** | Thermal Interface Material (T766) |
| **R0** | RoHS Compliant / Revision code |
---
### 4. Installation & Compatibility
This heat sink is designed for **PCB-level mounting**. It uses a spring-loaded push-pin mechanism which provides:
1. **Consistent Pressure:** Ensures the thermal pad is compressed correctly against the chip.
2. **Ease of Assembly:** Can be installed manually or with automated equipment without specialized tools.
3. **Vibration Resistance:** The spring tension keeps the heat sink secure even in mobile or high-vibration environments.
- ⤷
How do I calculate if the 4.14 °C/W thermal resistance is sufficient for my 10W chip?
- ⤷ What are the physical hole diameters required on the PCB for the push-pins?
- ⤷ Are there versions of this heat sink with different thermal interface materials?