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Edge Computing Leverages Modular Power in Scalable Micro Data Centres - May 2022
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Powder Cores for Cutting Edge Performance

For designers of high-current inductors targeting minimum size and maximum efficiency, Magnetics has developed a powder alloy core material. Edge provides an improvement in DC bias performance over High Flux while also cutting AC core losses to less than half of High Flux losses.

The inherent advantage of powder alloy cores is their DC bias performance, meaning how well the material maintains inductance under current loading. For high current inductor applications, High Flux has often been the design solution that gives the smallest package size since it offers the best DC bias performance with the highest saturation level. Magnetics’ Edge boosts that saturation level even higher. For comparison, 60 permeability Edge reaches 50 % rolloff at 205 Oersteds, vs. 185-195 Oersteds for best-in-class high flux materials, and 165 Oersteds for 6.5 % Silicon Iron powder cores. Not only that, but the performance tradeoff that designers had to accept when using High Flux – inferior AC losses – is removed, because Edge core losses are reduced to a level similar with MPP (molypermalloy powder).

Edge is available in permeabilities of 26 and 60 and in standard toroid sizes up to 40 mm diameter, as well as custom heights. Larger cores and additional permeabilities, including 125 µ, are in development. AL values, dimensions, coatings, and dielectric guarantees for Edge are the same as High Flux.

www.mag-inc.com/products/powder-cores/Edge-Cores

 



 
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