The **ATS-21B-41-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 for cooling high-power semiconductors and integrated circuits. --- ### 1. Technical Specifications The following table outlines the physical and thermal characteristics of this specific part number: | Feature | Specification | | :--- | :--- | | **Manufacturer** | Advanced Thermal Solutions (ATS) | | **Material** | Aluminum (Black Anodized) | | **Dimension (L x W)** | 40.00mm x 40.00mm | | **Height (H)** | 17.50mm | | **Attachment Method** | pushPIN™ (Spring-loaded) | | **Thermal Resistance** | 10.03°C/W (at 1.0 m/s airflow) | | **Fin Style** | maxiFLOW (Tapered Fin) | | **Pressure Spring** | Brass, Nickel Plated | --- ### 2. Key Electronic Components & Design The ATS-21B-41-C2-R0 is engineered with several critical sub-components that optimize heat dissipation: #### A. The Heat Sink Body (maxiFLOW™) * **Geometry:** It features a "tapered fin" design. Unlike standard rectangular fins, these fins are wider at the base and narrower at the top. * **Function:** This maximizes the surface area for heat transfer while minimizing the pressure drop, allowing air to flow through more efficiently. #### B. Thermal Interface Material (TIM) * **Pre-Applied Material:** This model typically comes with **T766** thermal phase-change material or a high-performance thermal pad pre-applied to the base. * **Function:** It fills microscopic air gaps between the heat sink and the electronic component (CPU/GPU/FPGA), ensuring maximum thermal conductivity. #### C. pushPIN™ Attachment System * **Mechanism:** It uses a plastic or brass pin with a stainless steel spring. * **Function:** It provides a constant, calibrated pressure (Force) onto the electronic chip. This prevents the heat sink from shifting during vibration and ensures consistent contact with the heat source. --- ### 3. Application Use-Cases This part is commonly used to protect sensitive electronic systems from overheating in the following environments: 1. **Telecommunications:** Cooling high-speed data line cards. 2. **Embedded Systems:** Industrial PCs and automation controllers. 3. **Power Electronics:** Cooling MOSFETs and IGBT modules. 4. **Network Hardware:** Heat management for routers and switches. ---