## Technical Analysis of ATS-21F-64-C2-R0 The **ATS-21F-64-C2-R0** is a high-performance electronic thermal management component, specifically a **Heat Sink** manufactured by **Advanced Thermal Solutions (ATS)**. It belongs to the **maxiFLOW™** series, designed to provide superior cooling for electronic components like BGAs and CPUs. ### 1. General Specifications The following table highlights the core physical and thermal attributes of the part: | Parameter | Specification | | :--- | :--- | | **Manufacturer** | Advanced Thermal Solutions (ATS) | | **Part Series** | maxiFLOW™ | | **Attachment Method** | pushPIN™ | | **Material** | Aluminum (with Blue Anodized Finish) | | **Dimensions (L x W x H)** | 40.00mm x 40.00mm x 25.00mm | | **Thermal Resistance** | 3.39°C/W (at 200 LFM) | | **Weight** | ~45 grams | --- ### 2. Design Features The "F" in the part number indicates a specific fin pattern designed for optimized airflow. * **Fin Geometry:** It features a **spread-fin design** (tapered fins). This maximizes surface area while reducing the pressure drop, allowing air to flow more efficiently through the heat sink. * **Attachment (pushPIN™):** This part utilizes a specialized mounting system that includes: * **Brass Bolts:** For secure mechanical connection. * **Pre-drilled Holes:** Designed for easy PCB installation. * **Compression Springs:** Provides consistent pressure to ensure optimal contact with the heat source. * **Thermal Interface Material (TIM):** This specific model typically comes with a pre-applied **T766** phase-change material or high-performance thermal grease to eliminate air gaps between the component and the sink. --- ### 3. Part Number Breakdown Understanding the nomenclature helps in identifying specific variations: | Segment | Meaning | | :--- | :--- | | **ATS** | Manufacturer (Advanced Thermal Solutions) | | **21** | Series Number (pushPIN™ series) | | **F** | Fin Type (Fine pitch/Spread-fin) | | **64** | Specific internal design/dimensions code | | **C2** | Thermal Performance/Material grade (Alum. Blue Anodized) | | **R0** | RoHS Compliant version | --- ### 4. Thermal Performance Data Performance varies based on the Airflow (measured in Linear Feet per Minute - LFM): | Velocity (LFM) | Thermal Resistance (°C/W) | | :--- | :--- | | 200 | 3.39 | | 400 | 2.01 | | 600 | 1.59 | | 800 | 1.38 | ---