ATS-04H-191-C2-R0
AI

The **ATS-04H-191-C2-R0** is a high-performance electronic thermal management component, specifically a **Heat Sink** manufactured by Advanced Thermal Solutions (ATS). It belongs to the "push-pin" attachment series designed for cooling integrated circuits (ICs) and other electronic components.
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### 1. Technical Specifications
Below are the primary physical and thermal characteristics of the part:
| Feature | Specification |
| :--- | :--- |
| **Material** | Aluminum (AL6063) |
| **Finish** | Blue Anodized |
| **Attachment Method** | Push-Pin (Plastic or Brass) |
| **Spring Type** | Compression Spring |
| **Dimensions (L x W x H)** | 45mm x 45mm x 30mm |
| **Thermal Resistance** | 2.90 °C/W (at 200 LFM) |
| **Flow Orientation** | Vertical / Lateral (High-Performance Fin Array) |
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### 2. Design and Component Breakdown
#### A. Fin Geometry (The "Heat Dissipator")
The "191" in the part number refers to the specific fin density and arrangement. This model features a **straight-fin** design which is optimized for forced air cooling (fan-driven). The 30mm height provides a large surface area for heat transfer while maintaining a relatively small footprint.
#### B. Push-Pin Mounting System
Instead of using messy thermal adhesives or tapes, this part uses a mechanical fastening system:
* **Push-Pins:** Two pins go through pre-drilled holes in the Printed Circuit Board (PCB).
* **Compression Springs:** These apply consistent pressure between the heat sink and the chip, ensuring maximum thermal contact and preventing the sink from shifting due to vibration.
#### C. Thermal Interface Material (TIM)
The "C2" designation typically indicates that the part comes pre-applied with **ATS-specific thermal grease** or a phase-change material. This eliminates the need for manual application and ensures there are no air gaps between the component and the heat sink.
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### 3. Application Use Cases
This specific heat sink is commonly used in the following electronic environments:
* **Networking Gear:** Cooling high-speed switches, routers, and modems.
* **Industrial PC (IPC):** Cooling processors or FPGAs in automation equipment.
* **Embedded Systems:** High-power modules where passive cooling is insufficient and airflow is present.
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### 4. Thermal Performance Data
*Measured in Degrees Celsius per Watt (°C/W):*
* **@ 200 LFM (Linear Feet per Minute):** 2.90 °C/W
* **@ 400 LFM:** 1.68 °C/W
* **@ 600 LFM:** 1.35 °C/W
*Note: Lower numbers indicate better cooling efficiency as airflow increases.*
- ⤷What are the PCB hole requirements for the push-pin mounting of this heat sink?
- ⤷ Can this heat sink be used without a fan (passive cooling)?
- ⤷ What is the difference between the C2 and C1 versions of this part?