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Fair-Rite Suppression Product Selector Guide

Conducted EMI can occur over a wide range of frequencies, from as low as 1MHz to several GHz. Fair-Rite offers a complete line of suppression ferrites that cover a gamut of frequencies. If you are late in the design phase & fixing the EMI at the board level isn’t feasible, we also offer clamp-on cores for interconnecting cable assemblies.

  • Predictable and repeatable impedance to enhance signal integrity
  • Snap-It cores available in a wide range of core sizes. Fair-Rite has catalog products available to support a wide range of cable diameters – from 3.5mm (.137”) up to 101.6mm (4”)
  • UL94V0 rated polypropylene snap-it case
  • Available in FR75 ferrite blend – superior low frequency performance
  • Available in a wide range of ferrite blends to cover 150KHz to 1 GHz
  • Engineering Kits available in all snap its including 31 Material, 43 Material, 46 Material, 61 Material and 75 Material
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53 results Products
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0444167281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 210Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.460" H (23.70mm x ...

  • In Stock: 970

    Immediately

  • 10
    $2.75
  • 196
    $1.77
  • 392
    $1.54
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0444164951
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 245Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.680" W x 0.331" H (17.27mm x ...

  • In Stock: 4300

    Immediately

  • On Order: 5292

    Ships 11/30/26

  • 25
    $1.449
  • 294
    $1.015
  • 588
    $0.840
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0443178281
Fair-Rite Products

Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.362"

  • In Stock: 638

    Immediately

  • 196
    $1.135
  • 392
    $0.995
  • 588
    $0.987
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0431164181
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 260Ohm @ 100MHz - ID 0.514" Dia (13.06mm) - OD 1.220" W x 0.600" H (30.99mm x ...

  • In Stock: 7899

    Immediately

  • On Order: 50270

    Ships 12/28/26

  • 110
    $2.54
  • 330
    $1.95
  • 550
    $1.94
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0443167251
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 225Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.870" W x 0.433" H (22.10mm x ...

  • In Stock: 40014

    Immediately

  • 25
    $1.69
  • 196
    $1.31
  • 392
    $1.14
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0443800506
Fair-Rite Products

Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.504"

  • In Stock: 439

    Immediately

  • 220
    $1.018
  • 440
    $0.961
  • 660
    $0.940
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0446164181
Fair-Rite Products

Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.5"

  • In Stock: 570

    Immediately

  • 110
    $2.15
  • 330
    $1.91
  • 550
    $1.90
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0443625006
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 113Ohm @ 100MHz - ID 0.311" Dia (7.90mm) - OD 0.972" W x 0.402" H (24.69mm x ...

  • In Stock: 5060

    Immediately

  • 220
    $0.640
  • 440
    $0.633
  • 660
    $0.581
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0431178181
Fair-Rite Products

Ferrite Clamp On Cores Low & BB Freq 31 Mat 183Ohm @250MHz Round

  • On Order: 24304

    Ships 2/15/27

  • 25
    $1.190
  • 250
    $0.838
  • 504
    $0.762
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0446173951
Fair-Rite Products

Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.193"

  • In Stock: 9198

    Immediately

  • 50
    $0.974
  • 250
    $0.695
  • 504
    $0.624
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