Ferrite Cores, Iron Powder Cores & Magnetic Components


Featuring the following popular brands

  • Beads
    Cable shields
    Common mode chokes
    Custom cores
    E cores
  • I cores
    PQ cores
    Planar cores
    Pot cores
    Ring cores
  • RM cores
    Rods
    Toroids
    U cores


Adams carries a full line of magnetic ferrite cores, bobbins and mounting hardware in our main 40,000-square-foot warehouse in Chicago, and at other sites around the country. We offer just-in-time inventory management from a broad range of stock.


Product Links

Our brands

Adams supports the magnetics industry as an authorized stocking distributor for the following manufacturers:

The Adams Difference

Delivering Experience

At Adams, we do more than fill orders. We offer advice, plan requirements, source items on a bill of materials, and even remind you when your stock is running low. We're here to help.

Expert Machining & Gapping

If you need design assistance or machining and gapping services, or finding the right ferrite core for your project, just ask. Adams' capabilities include the extraordinary skill of precision machining exotic materials such magnets and soft ferrites. We provide core gapping services for a wide range of geometries and materials typical to the magnetics industry. We also provide precision machining of custom products.

Working with Friendly Reps

At Adams, we take pride in answering your questions, developing solutions, and helping you meet your goals. Call, and let us serve you today.

About Soft Magnetics

Soft ferrite, molypermalloy and nanocrystalline materials concentrate magnetic fields to transmit electrical signals and power over a wide frequency range. Ferrite cores are the primary products for inductive components, which are used in switch- mode power supplies for electronics. Soft magnetics are also key components in many emerging markets and applications.

Need more information?

Contact Us regarding your Ferrite Core, Bobbin and Mounting Hardware needs.

Adams Line Card

View or Download our newest line card (PDF format).