ATS-04H-77-C3-R0
AI

The **ATS-04H-77-C3-R0** is a high-performance **Heat Sink** manufactured by Advanced Thermal Solutions (ATS). It belongs to the *push-pin* attachment series designed for cooling electronic components such as CPUs, GPUs, and power modules.
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### 1. Technical Specifications
The following table highlights the physical and thermal properties of this specific model:
| Property | Description |
| :--- | :--- |
| **Material** | Aluminum |
| **Finish** | Blue Anodized |
| **Dimensions** | 25mm x 25mm x 20mm |
| **Attachment Type** | Push-Pin (Spring Loaded) |
| **Fin Style** | Straight Fin |
| **Thermal Resistance** | 9.58°C/W (at 1.0 m/s airflow) |
| **Thermal Interface Material (TIM)** | T412 (High Performance) |
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### 2. Key Design Features
#### A. Push-Pin Attachment Mechanism
The "04H" in the part number signifies the specific push-pin and spring combination.
* **Ease of Assembly:** Allows for quick installation onto pre-drilled holes in the PCB.
* **Constant Pressure:** The spring-loaded pins ensure a consistent downward force, optimizing the contact between the heat sink and the component to improve heat transfer.
#### B. Straight Fin Geometry
The fins are arranged in a parallel, straight pattern.
* **High Airflow Efficiency:** Designed for environments with forced air (fans).
* **Low Pressure Drop:** The open-ended design allows air to pass through with minimal resistance.
#### C. T412 Thermal Interface Material
This model comes pre-applied with **T412** thermal tape.
* **Thermal Conductivity:** Provides an efficient path for heat to travel from the chip to the aluminum fins.
* **Convenience:** Eliminates the need for applying separate thermal paste or grease during assembly.
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### 3. Applications
This heat sink is typically used in space-constrained electronic environments, including:
* **Telecommunications:** Cooling small chips on network switches or routers.
* **Embedded Systems:** Industrial PCs and IoT gateways.
* **Power Electronics:** Cooling MOSFETs or voltage regulators that generate localized heat.
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- ⤷What is the difference between the C1
- ⤷ C2
- ⤷ and C3 suffixes in ATS heat sinks?
- ⤷ What is the recommended hole diameter for the push-pin installation?
- ⤷ How does the thermal resistance change at higher airflow speeds?