The **ATS-18B-49-C2-R0** is a specific electronic cooling component, categorized as a **High-Performance Heat Sink**. It is manufactured by Advanced Thermal Solutions (ATS) and belongs to their "blueICE" series. --- ### 1. Technical Specifications The following table outlines the physical and thermal characteristics of the part: | Characteristic | Specification | | :--- | :--- | | **Material** | Aluminum | | **Finish** | Blue Anodized | | **Dimensions** | 25mm x 25mm x 20mm | | **Mounting Style** | pushPIN™ | | **Thermal Resistance** | 5.41° C/W (@ 1.0 m/s) | | **Flow Direction** | Vertical (Cross-Cut) | | **Spring Type** | Stainless Steel | --- ### 2. Breakdown of the Part Number The part number is a coded string representing specific design choices: - **ATS**: Manufacturer (Advanced Thermal Solutions). - **18**: Part Series/Attachment method. - **B**: Specific revision or material grade. - **49**: Length/Width dimension code (25mm x 25mm). - **C2**: Height code (20mm) and specific thermal performance profile. - **R0**: RoHS Compliance indicator. --- ### 3. Key Electronic Cooling Features #### A. pushPIN™ Attachment System Unlike adhesive tapes or simple clips, this model uses a **pushPIN™** mechanism. This provides a precise, reliable, and repeatable pressure against the electronic component (CPU, GPU, or FPGA), ensuring optimal heat transfer and preventing the sink from shifting during vibration. #### B. Cross-Cut Fin Design The fin structure is "cross-cut," meaning air can enter and exit from multiple directions. This makes it ideal for dense PCB layouts where the direction of airflow from cooling fans might be turbulent or non-linear. #### C. Thermal Interface Material (TIM) Typically, these units come pre-applied with a high-performance thermal interface (such as **T766**), which fills microscopic air gaps between the heat sink and the chip to maximize thermal conductivity. --- ### 4. Applications This heat sink is designed for mid-range heat dissipation in constrained spaces, including: * **Networking Hardware:** Routers, switches, and gateways. * **Embedded Systems:** Industrial controllers and IoT hubs. * **Power Supplies:** Cooling voltage regulators and MOSFETs. ---