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The unique properties of the CoreMaster International Inc. Cores prompt several frequently asked questions, which we will attempt to answer below. If you have other questions, please contact us at the addresses listed under "Contact".

  1. Why would I prefer to use CMI's Advanced Soft Magnetic Nanocrystalline Cores over all other available choices?
  2. Is there Applications data available to me which demonstrates the claims of superior performance?
  3. How price competitive are CMI's new high performance Cores?
  4. Is the material readily available?
  5. Are the Cores available in other form factors than Torroids?

What are some of the most unique properties of the Cores?

High Saturation Flux Density - to 2 tesla
High Available Flux Density with DC bias - to 1 tesla
Low losses - <40mw/g, 0.1 T, 200khz
High stable operating temperature - to 120C
Wide operating frequency range - through 1MHZ

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Why would I prefer to use CMI's Advanced Soft Magnetic Nanocrystalline Cores over all other available choices?

Dramatic improvements in much lower losses, increased saturation flux density and stable operating temperatures. See # 1 above.

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Is there Applications data available which demonstrates the claims of superior performance?

Yes. There are 15 Application Notes on this Web Site which cover virtually all of the magnetic functions of power conversion, with full data included.

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How price competitive are CMI's new high performance Cores?

These Cores are priced extremely competitive when compared with the other high performance materials such as amorphous, MPP, and Kool Mu™, and because of their reduced size and increased power density they are often very competitive to even low priced ferrite cores.

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Are the Cores readily available?

Yes. Samples can be sent typically same day as requested. Smaller quantity orders are available from current inventories, and larger quantity orders are typically available on only a few weeks notice.

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Are the Cores available in other form factors than Torroids?

At this time the Cores are only available in Torroid configurations. In the future we expect to develop other form factors as well.

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