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Please visit the Technical Documents library for the 2020 Magnetics Powder Core Catalog. Other reference materials including technical bulletins, application notes and white papers are also available for download.
Magnetics Kool Mu (sendust) cores are distributed air gap cores made from a 85% Iron, 9% Silicon, and 6% Aluminum alloy powder for low losses at elevated frequencies.
The 10,500 gauss saturation level of Kool Mμ provides a higher energy storage capability than can be obtained with gapped ferrite E-cores, resulting in smaller core size. Kool Mμ E cores are competitively priced against gapped ferrite E cores and their distributed air gap eliminates gap loss problems associated with ferrites. Lastly, Kool Mμ E cores have significantly lower losses and substantially better thermal properties when compared to powdered iron E-cores. The Powder Core Shapes technical bulletin offers an in-depth overview of these comparisons.
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