The soft magnetic materials user guide series from Acal BFi

soft magnetic material user guides When developing inductive components, matching your application requirements against more than a dozen material classes can be a daunting and challenging task. There is a huge variety of sub-classes, brands, grades and types available and, having gone through the lengthy selection process, standard solutions may not be an option for some applications.

To help you with this process, Acal BFi have produced a series of soft magnetic material user guides. Based on decades of experience providing our customers with the solutions they need, we share valuable insight and knowledge of the key materials worth considering. In the series, we also provide you with the technical questions you should ask for your application and methods to answer these with suggested material choices.

The series is free to download via the links below.

The primary criteria required for choosing a material, methods to explore its properties and functions and other important considerations

Part 1: Understanding magnetic materials and selecting a core material

The production, morphology and properties of Fe-based amorphous and nanocrystalline materials, and recent developments of nanocrystalline materials.

Part 2: Key considerations with amorphous and nanocrystalline materials


Part 3: Ferrites

Powder cores

Part 4: Powder cores


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Your one-stop shop for magnetic components

We have a comprehensive range of soft magnetic cores, wound inductive components and custom solutions, providing you with the best magnetic core, inductor or transformer solution for your specific application. We provide a portfolio like no other and are the only European provider of soft magnetic cores that stock all four classes of materials, including Acal BFi kOr, our own brand of high-quality amorphous and nanocrystalline cores.

We also provide standard and custom inductor and transformer solutions, and with 25 years experience designing custom magnetic components, solutions and accessories, our dedicated design engineers work directly with your development team to support every stage of your project, providing next day on-site support, rapid prototyping and testing.

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