EMI Ferrite – For EMI Suppression

EMI Ferrite, EMI Suppression

Kemtron are distributors and stockists for Steward ferrites. Our warehouse facility has a large range of cable and surface mount products which are generally available for same day despatch. Non stocked parts can also be obtained in a few working days if they are in stock with Steward, or we can offer shipments from Steward's USA plants by air if required.

Steward Inc. is a leading producer of ferrite and related materials used in the electronics, copier, telecomms, military and automotive industries. Steward's nickel zinc ferrite parts are used extensively in the suppression of electromagnetic interference commonly known as EMI Ferrite materials exhibit magnetic properties which are dependent on the frequency at which they are excited. In electronic applications the relation of the magnetic loss to frequency is utilized to attenuate interference frequencies where the material's losses are high, yet pass the lower bands where data is carried.

The Steward range of EMI ferrite is split into two main areas:

  • Cable ferrites, comprising solid and split core versions for use on round and ribbon type cables. Broadband & High Frequency versions are now available for round and cylindrical cores.
  • Board Mount Products, comprising chip ferrites, common mode chokes, multi-turn devices etc, many available in both surface mount and through hole board versions.
  • Ribbon Cable Cores
    Split Ferrite Cores for Ribbon / Flex Cables (Page 16)
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    Solid Ferrite Cores for Ribbon / Flex Cables (Page 13)
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  • Round Cable Cores
    Split/Snap-On Ferrite Cores for Round Cables (Pages 4 & 8)
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    Solid Ferrite Cores for Round Cables (Pages 3, 5 & 12)
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  • Differential Mode Chokes - Single Line Surface Mount
    Ultra High Current Ferrite Chip Beads
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    High Current Ferrite Chip Beads
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    Medium Current Ferrite Chip Beads
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    Low Current Ferrite Chip Beads
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    High Impedance Ferrite Chip Beads
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  • Common Mode Chokes - Surface Mount
    Monolithic Surface Mount Common Mode Chokes
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    Miniature up to 10AMP Surface Mount Common Mode Chokes
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    Slim Line Surface Mount Common Mode Chokes (RJ11- RJ45)
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    Low Profile Surface Mount Common Mode Chokes
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    High Power 2 & 4 line Surface Mount Common Mode Chokes
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  • Differential Mode Chokes - Multi-Line Surface Mount
    Ferrite Multi-Line Chip Arrays
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  • Common Mode Chokes - Thru-Hole Mount
    Ultra High Current Thru-Hole Common Mode Chokes
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    High Current Thru-Hole 2 & 4 lineCommon Mode Chokes
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  • Differential Mode Chokes Thru-Hole
    Multiple Turn Axial Lead Ferrites Beads/Cores
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    Axial Lead Ferrite Beads
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  • EMI Ferrite Disks & Plates
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  • Chip Inductors
    Surface Mount Power Inductors
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    Chip Inductors
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