Extruded Aluminum Heatsinks

Extruded Aluminum Thermal Solutions

ectruded aluminum sinks

Extruded Aluminum HeatsinkOur extruded aluminum heatsinks might be the perfect solution for your needs. Extruded aluminum heatsinks are the most popular type of heatsink due to their low cost and fast-to-market turn-around.

This type of heatsink is available in standardized versions or custom-built to your specifications.  An aluminum block is either pushed or drawn (extruded) through a die. As a consequence, it create either a straight or cross-cut finished heatsink during the manufacturing process. In addition, this extrusion process allows for complex fin designs to be created. As a result, we can provide a wide range of convection cooling characteristics suitable for high power components. The widest extrusion profile we manufacture is 18 inches. 

Extruded aluminum heatsinks can be a great solution when you want to keep your tooling costs low and still achieve a low per piece cost, along with little or no secondary machining.

Custom Aluminum Extrusion Heatsinks

Cooling Source manufacture Extruded heatsinks in a wide variety of shapes. Hence, each shape is designed to fulfill a different need. If you are not sure which is the right choice for your company, our experts can show you the benefits of each process to help you determine which aluminum heat sink extrusion will work best for your needs.

Advantages of Extruded Aluminum Heatsinks include:

  • Custom Extruded Aluminum HeatsinkHigh fin density can provide improved cooling performance
  • Lighter weight than copper
  • More efficient than stamped heat sinks
  • Low cost vs. machined assemblies
  • Can customized standard extrusion profile
  • Flatbacks are useful for components such as power modules
  • Unique shapes geared for use in electronic power assemblies

These complex fin profiles allow greater heat dissipation through an increased surface area while eliminating the cost and time associated with machining an equivalent shape from block aluminum. A simple call or e-mail will put you in touch with one of our experts.

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Livermore, CA 94551
Phone: (925) 292-1293
Fax: (925) 292-5061


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Heat pipes, extruded aluminum heatsinks, thermal design.