The **ATS-18B-59-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 like BGA, FPGA, and ASIC chips. --- ### 1. Technical Specifications The following table summarizes the physical and thermal characteristics of this specific part number: | Parameter | Specification | | :--- | :--- | | **Material** | Aluminum (Blue Anodized) | | **Dimensions (L x W x H)** | 54.00mm x 59.00mm x 24.50mm | | **Thermal Resistance (Airflow)** | 1.61°C/W @ 200 LFM (Linear Feet per Minute) | | **Attachment Method** | **pushPIN™** (Plastic Pins) | | **Spring Type** | Brass (R0 designation) | | **TIM (Thermal Interface Material)** | T766 (Pre-applied) | | **Fin Style** | maxiFLOW (Tapered Fin) | --- ### 2. Breakdown of the Part Number To understand the electronic application, we can decode the part number suffix: * **ATS-18**: The series identifier. * **B**: Denotes the revision or specific mechanical design. * **59**: Refers to the physical width/length profile (in this case, 59mm). * **C2**: Indicates the specific color and finish (Blue Anodized). * **R0**: Refers to the compliance and packaging (RoHS compliant). --- ### 3. Key Electronic Components This heat sink is composed of three critical "electronic-grade" subsystems: #### A. The Fin Geometry (maxiFLOW™) Unlike standard straight-fin heat sinks, the maxiFLOW™ design uses a tapered fin structure. This reduces pressure drop and increases surface area, allowing it to cool dense electronic components more efficiently in high-airflow environments (like server racks). #### B. The pushPIN™ Attachment System Electronic PCBs are sensitive to mechanical stress. The `pushPIN™` system used here ensures: * **Consistent Pressure:** Applies a specific amount of force (calculated in Newtons) to ensure optimal contact between the chip and the heat sink. * **Secure Mounting:** Prevents the heat sink from shifting during vibration or shipping. #### C. Thermal Interface Material (T766) The unit comes with **T766 phase-change material** pre-applied. In electronics, the microscopic gaps between the chip (die) and the heat sink act as insulators. The T766 fills these gaps to ensure the heat moves from the silicon to the aluminum as fast as possible. --- ### 4. Typical Applications * **Telecommunications:** Cooling line cards and switches. * **Computing:** High-speed processors and graphics units. * **Industrial:** Power modules and motor controllers.