What is a Fansink?
A Fansink is classed as an Active heatsink as it uses a fan that is attached to a standard Heatsink to create its own cooling. This active heatsink is a great option when working in a test environment, or for demo boards as they provide around 200 LFM of airflow. Fansinks have many names such as Fan Heatsinks or HSF, which is short for heat sink and fan. A FanSink provides significant cooling benefits over system level fans for a single component as the dedicated fan increases localized airflow while improving thermal efficiency, and thermal performance over a passive heatsink solution. By matching the fan performance with the correct style heatsink base, and thermal analysis, fan heatsinks can be designed to meet specific application requirements. This type of Active heatsink requires a power source typically from the board at either 5 or 12 volts.
Active Heatsink options
The following lists are standard parts that we usually have available to ship within a few days.
Radian’s aluminum BGA heatsinks with fans are high efficiency heatsink cooling products designed for BGA chipsets and other OEM applications. These devices mount with EZ Snap™ mounting clips to provide optimum cooling for various package sizes, and are easy to install and require no special board modifications or complex assemblies. The heatsinks are constructed of aluminum for optimum heat transfer and are designed specifically for BGAs and other surface mount packages then finished with black anodize plating. Our standard Fansinks are mounted with screws the top, but for environments with high frequency vibration custom solutions are available that include attaching to the base of the heatsink using countersunk screws and lock-nuts.
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Fansink with Pushpins
Radian Thermal Products also offer a large variety of custom Fan sinks in addition to our standard line. These Custom Fansinks can be mounted using Screws or Pushpins. We also take care when selecting a fan to meet a customers performance, and budget requirements when considering the type of bearings.
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If airflow is an issue, a PCIe fansink has is an active heatsink that has been specifically designed for PCI card applications, but is also ideal for other low profile applications. The fansink has been modeled for pushpins, but can also be used with screws. For exact details on a particular PCIe fansink, please contact us for more information.
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