ATS-21E-145-C3-R0
AI

The **ATS-21E-145-C3-R0** is a high-performance electronic thermal management component, specifically a **Heat Sink** manufactured by Advanced Thermal Solutions (ATS). It is designed to dissipate heat from electronic components like CPUs, GPUs, or power transistors to prevent thermal throttling or hardware failure.
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## 1. Technical Specifications
The part number follows a specific nomenclature that defines its physical and thermal characteristics.
| Feature | Specification |
| :--- | :--- |
| **Manufacturer** | Advanced Thermal Solutions (ATS) |
| **Series** | pushPIN™ |
| **Material** | Aluminum (typically blue anodized) |
| **Dimensions (L x W x H)** | 30.00mm x 30.00mm x 30.00mm |
| **Attachment Method** | pushPIN™ (Spring-loaded) |
| **Thermal Resistance** | ~2.98 °C/W (at 200 LFM air flow) |
| **Fin Type** | Square Fin |
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## 2. Key Electronic & Mechanical Features
### A. pushPIN™ Attachment System
This part utilizes a specialized mechanical attachment rather than simple adhesive.
* **Springs:** Provides a precise, pre-calculated pressure on the electronic component to maximize thermal interface contact.
* **Plastic Push Pins:** Allows for easy installation into pre-drilled holes on the Printed Circuit Board (PCB).
### B. Material Composition
* **Aluminum 6063:** Chosen for its high thermal conductivity and lightweight properties.
* **Blue Anodized Finish:** Not only provides aesthetic value but also increases the surface emissivity and protects the aluminum from oxidation.
### C. Thermal Interface Material (TIM)
* The "-R0" suffix usually indicates that the heat sink comes with a **pre-applied Thermal Interface Material** (often a phase-change material or high-performance thermal grease). This ensures there are no air gaps between the chip and the heat sink.
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## 3. Applications in Electronics
This specific size and thermal rating are commonly used in:
1. **Telecommunications:** Cooling small processors in networking switches.
2. **Embedded Systems:** For industrial PCs where space is limited but vertical clearance allows for a 30mm height.
3. **Power Supplies:** Cooling high-wattage voltage regulators or MOSFETs.
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## 4. Performance Comparison (Airflow)
Thermal performance is highly dependent on the "Linear Feet per Minute" (LFM) of the airflow within the chassis:
| Airflow (LFM) | Thermal Resistance (°C/W) |
| :--- | :--- |
| 100 (Unducted) | 4.78 |
| 200 (Unducted) | 2.98 |
| 300 (Unducted) | 2.40 |
| 400 (Unducted) | 2.10 |
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What is the difference between the 'C3' and 'C1' variants of this series?
- ⤷ How do I calculate if the 2.98 °C/W thermal resistance is sufficient for my CPU?
- ⤷ Can this heat sink be used with a custom fan shroud?