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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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0444173951
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 150Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.504" W x 0.220" H (12.80mm x ...

  • In Stock: 3111

    Immediately

  • 25
    $1.059
  • 250
    $0.692
  • 504
    $0.588
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0443164251
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 275Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - OD 0.705" W x 0.362" H (17.91mm x ...

  • In Stock: 32020

    Immediately

  • 196
    $1.05
  • 392
    $1.04
  • 588
    $1.03
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0444176451
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 365Ohm @ 100MHz - ID 0.722" Dia (18.34mm) - OD 1.520" W x 0.755" H (38.61mm x ...

  • In Stock: 8286

    Immediately

  • 5
    $12.48
  • 25
    $8.28
  • 60
    $6.95
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0446167251
Fair-Rite Products

Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.388"

  • In Stock: 9747

    Immediately

  • 196
    $1.40
  • 392
    $1.39
  • 588
    $1.38
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0431164951
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 280Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.680" W x 0.331" H (17.27mm x ...

  • In Stock: 5384

    Immediately

  • On Order: 25284

    Ships 11/30/26

  • 25
    $1.313
  • 294
    $0.950
  • 588
    $0.943
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0444164281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 260Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - OD 0.788" W x 0.385" H (20.02mm x ...

  • In Stock: 15981

    Immediately

  • 196
    $1.30
  • 392
    $1.29
  • 588
    $1.28
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0446164951
Fair-Rite Products

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

  • On Order: 10933

    Ships 11/30/26

  • 294
    $0.814
  • 588
    $0.800
  • 1,176
    $0.794
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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
    $0.862
  • 440
    $0.854
  • 660
    $0.848
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0443166651
Fair-Rite Products

Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 1.35"

  • In Stock: 1738

    Immediately

  • 10
    $3.98
  • 50
    $3.10
  • 126
    $3.04
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0431178181
Fair-Rite Products

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

  • On Order: 24808

    Ships 2/15/27

  • 25
    $1.190
  • 250
    $0.838
  • 504
    $0.762
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