ATS-04H-46-C3-R0
AI

The **ATS-04H-46-C3-R0** is a high-performance electronic thermal management component, specifically an aluminum heat sink designed for cooling integrated circuits (ICs) and other electronic packages.
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### 1. Technical Specifications
The following table summarizes the physical and thermal characteristics of this specific part:
| Feature | Specification |
| :--- | :--- |
| **Manufacturer** | Advanced Thermal Solutions Inc. (ATS) |
| **Series** | pushPIN™ |
| **Material** | Aluminum (Blue Anodized) |
| **Dimensions (L x W)** | 25.00mm x 25.00mm |
| **Height** | 25.00mm |
| **Fin Style** | Straight Fin |
| **Attachment Method** | Push-Pin (with Compression Springs) |
| **Thermal Resistance** | 11.87 °C/W @ (1.0 m/s airflow) |
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### 2. Key Components & Construction
The "electronic parts" of this assembly include the mechanical interface and the thermal interface material (TIM) used to bridge the gap between the heat sink and the silicon chip.
#### A. The Heat Sink Body
Manufactured from lightweight aluminum, the body uses a **Straight Fin** design. This pattern is optimized for "forced air" cooling (where a fan is present), allowing air to flow through the channels to dissipate heat from the base.
#### B. The Push-Pin Mechanism
Unlike adhesive-based heat sinks, this model uses a mechanical mounting system:
* **Push-Pins:** Plastic or brass pins that lock into pre-drilled holes in the Printed Circuit Board (PCB).
* **Compression Springs:** These provide consistent pressure (clamping force) to ensure maximum contact between the chip and the heat sink.
#### C. Thermal Interface Material (TIM)
The "C3" in the part number indicates that it comes pre-applied with **T412** thermal tape or a similar high-performance phase-change material. This material fills microscopic air gaps between the CPU/GPU and the metal heat sink.
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### 3. Application Use Cases
This specific size (25mm x 25mm) is typically used for cooling the following types of electronic components:
* **Northbridge/Southbridge** chipsets on motherboards.
* **FPGAs** (Field Programmable Gate Arrays) in networking gear.
* **Voltage Regulator Modules (VRMs)** in power supplies.
* **Embedded Processors** in industrial IoT devices.
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- ⤷
What is the difference between straight fin and cross-cut fin designs in ATS heat sinks?
- ⤷ How do I calculate if the 11.87 °C/W thermal resistance is sufficient for my chip's TDP?
- ⤷ Are there different spring tensions available for the push-pin mounting system?