ATS-04D-174-C2-R0
AI

The **ATS-04D-174-C2-R0** is a high-performance heat sink manufactured by **Advanced Thermal Solutions (ATS)**. It is specifically designed for cooling electronic components like CPUs, GPUs, and high-power semiconductors.
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### Technical Specifications
| Parameter | Specification |
| :--- | :--- |
| **Manufacturer** | Advanced Thermal Solutions Inc. |
| **Part Number** | ATS-04D-174-C2-R0 |
| **Attachment Method** | pushPIN™ (Spring-loaded) |
| **Material** | Aluminum (Body), Blue Anodized Finish |
| **Dimensions (L x W x H)** | 30.00mm x 30.00mm x 35.00mm |
| **Fin Type** | Fine Pitch (Grid Array) |
| **Thermal Resistance** | ~4.02°C/W (Unducted Flow @ 100 LFM) |
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### Key Components & Features
#### 1. Heat Sink Body (Aluminum)
The body is constructed from aluminum for high thermal conductivity and low weight. The **Blue Anodized** finish is not just aesthetic; it provides surface protection and slightly improves radiation heat transfer.
#### 2. pushPIN™ Attachment System
This part utilizes a specialized mounting system:
* **Compression Springs:** Ensure consistent pressure on the component (TIM) for optimal heat transfer.
* **Push-Pins:** These secure the heat sink to pre-drilled holes in the PCB, offering a more reliable connection than adhesive tapes.
#### 3. Thermal Interface Material (TIM)
The model typically comes with **T766** pre-applied. This is a high-performance thermal grease/pad that fills microscopic air gaps between the component and the heat sink base.
#### 4. Fin Design (Fine Pitch)
The "grid" or "pin fin" design allows for maximum surface area. This specific model is optimized for **forced air cooling** (fans), as the dense fin arrangement requires air pressure to move through the gaps effectively.
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### Comparison: Thermal Performance
| Airflow Velocity (LFM) | Thermal Resistance (°C/W) |
| :--- | :--- |
| 100 (0.5 m/s) | 4.02 |
| 300 (1.5 m/s) | 2.11 |
| 500 (2.5 m/s) | 1.61 |
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### Common Applications
* **Embedded Systems:** Cooling microcontrollers or FPGAs.
* **Networking:** Routers and switches where high-profile cooling is necessary in restricted footprints.
* **Power Electronics:** Transistors and VRMs (Voltage Regulator Modules).
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What are the PCB hole requirements for the pushPIN attachment system?
- ⤷ How does 'Anodization' impact the thermal performance of this heat sink?
- ⤷ Can this heat sink be used with a custom thermal pad instead of the pre-applied T766?