Folded Fin Heatsinks

 
Specifically designed for high power, forced convection applications where space is at a premium, folded fin heat sinks offer increased surface area without increasing heatsink volume. Offering reduced thermal resistance of up to 60%, folded fin heat sinks are a high performance method of meeting cooling needs. Manufactured by folding one continuous sheet of metal in a square wave pattern to maximise cooling surface area, the folded fins are then attached to the heatsink base by either brazing, solder or epoxy resin. Folded fin heat sinks are available in either aluminium or copper, with copper having the benefit of improved thermal conductivity, but at a higher cost and weight compared to an aluminium equivalent.

 

The key features of the folded fin heat sink are the use of lightweight cooling fins resulting in reduced material cost and part weight. The lightweight fins make them particularly useful for applications where weight is important, such as man-carried or vehicle mounted products. Most folded fin solutions will be customised to specific applications, however, as leaders in this field we are well placed to advise you on the best, most cost effective solution for your needs.

 
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PROTOTYPING AND TESTING

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