The **ATS-55450D-C2-R0** is a high-performance heat sink manufactured by **Advanced Thermal Solutions (ATS)**. It is specifically designed for cooling electronic components such as CPUs, GPUs, and FPGAs that require efficient heat dissipation in confined spaces. --- ### 1. Technical Specifications The part belongs to the **maxiFLOW™** product line, which features a flared fin structure to maximize surface area and improve airflow. | Feature | Specification | | :--- | :--- | | **Manufacturer** | Advanced Thermal Solutions (ATS) | | **Part Number** | ATS-55450D-C2-R0 | | **Dimensions** | 45mm x 45mm x 9.5mm | | **Material** | Aluminum (Anodized Blue) | | **Attachment Method** | maxiGRIP™ (Frame Clip) | | **Thermal Resistance** | 2.50°C/W (at 200 LFM) | | **Fin Style** | Flared Fin | --- ### 2. Key Electronic Components This part is not an "electronic" component in terms of circuitry, but rather a **mechanical thermal management component**. Its design includes several critical sub-parts: #### A. The Heat Sink (Aluminum Body) The core component is made of extruded aluminum. The **flared fin design** is its most distinct electronic-cooling feature: * **Purpose:** It reduces the "pressure drop" of air moving through the system. * **Benefit:** This allows the device to cool more effectively even when the cooling fans are spinning at lower, quieter speeds. #### B. The maxiGRIP™ Attachment Unlike heat sinks that use messy thermal glue or permanent epoxy, this part uses a mechanical clip system: * **Frame Clip:** A plastic frame that surrounds the electronic chip (BGA). * **Spring Clip:** A "steady force" spring that snaps over the heat sink to press it firmly against the chip. * **Advantage:** It allows the heat sink to be removed or replaced without damaging the PCB (Printed Circuit Board). #### C. Thermal Interface Material (TIM) The "C2" in the part number often indicates that it comes pre-applied with a thermal pad or phase-change material. * **Function:** It fills the microscopic air gaps between the top of the electronic chip and the bottom of the heat sink. * **Material:** Usually a high-conductivity silicone or polymer. --- ### 3. Application Use Cases This specific heat sink is typically used for: 1. **Networking Hardware:** High-speed routers and switches. 2. **Embedded Systems:** Industrial computers where fans might fail. 3. **BGA Packages:** Specifically sized for 45mm x 45mm Ball Grid Array processors. --- ### 4. Comparison of Performance | Airflow (LFM) | Thermal Resistance (°C/W) | | :--- | :--- | | 200 (Low) | 2.50 | | 400 (Medium) | 1.80 | | 600 (High) | 1.50 |