New Ohmite Heatsinks Designed for Higher Power Densities

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Ohmite's new R2 Heatsinks achieve better thermal performance

By adding a cam-clip and eliminating the need for a screw hole, the rear side of Ohmite’s new R Series heatsink benefits from being fully populated with extra fins which provide a larger cooling surface area and a significant improvement in thermal performance while using less space.

Compared to a conventional heatsink, additional fins have been extruded by removing the necessity for a 12mm access channel to the screw hole. In doing this, Ohmite claims to have achieved better thermal performance for the 38mm tall R2 heatsink compared to a similar heatsink without the cam-clip, in a package width that requires less space - 35.2mm instead of 42mm.

The labor-saving attachment mechanism is capable of attaching either a TO-220 or a TO-247 component, provides the same amount of force after repeated use, and is offered in both degreased and black anodized finishes. Product details can be viewed at http://www.ohmite.com/catalog/pdf/r2-sink.pdf.

Pricing for R2 heatsinks ranges from $1.84 to $1.90, depending on finish, in 1000 piece quantities.

In business since 1925, Ohmite Manufacturing is a global supplier of fixed and variable power resistors as well as heatsink solutions and electronic hardware. For more information on Ohmite products and local distributors go to http://www.ohmite.com and follow Ohmite on Twitter and Facebook.

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Kristin Nugent
McNeil, Gray & Rice
617-367-0100 148
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