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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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0444173551
Fair-Rite Products

Round Cable Snap On Ferrite Core - 44 Material (25-300MHz) - Cable Width max 0.728"

  • In Stock: 2280

    Immediately

  • 5
    $7.21
  • 50
    $4.58
  • 110
    $3.94
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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: 6643

    Ships 11/30/26

  • 294
    $0.898
  • 588
    $0.844
  • 1,176
    $0.825
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0431178181
Fair-Rite Products

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

  • On Order: 9896

    Ships 12/14/26

  • 25
    $1.134
  • 250
    $0.839
  • 504
    $0.825
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0431178281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 215Ohm @ 500MHz - ID 0.354" Dia (8.99mm) OD 0.846" W x 0.415" H (21.49mm x 10 ...

  • In Stock: 1667

    Immediately

  • On Order: 15288

    Ships 9/28/26

  • 25
    $1.585
  • 196
    $1.205
  • 392
    $1.193
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0431167281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 240Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.461" H (23.70mm x ...

  • In Stock: 20089

    Immediately

  • On Order: 50176

    Ships 10/5/26

  • 196
    $1.18
  • 392
    $1.06
  • 588
    $1.05
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0431164281
Fair-Rite Products

Hinged (Snap On) Ferrite Core - 1 MHz to 300 MHz - 310 Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - Length 1.550" (39. ...

  • In Stock: 23601

    Immediately

  • On Order: 50568

    Ships 9/18/26

  • 196
    $1.114
  • 392
    $0.986
  • 588
    $0.976
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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 ...

  • On Order: 43352

    Ships 9/18/26

  • 25
    $1.76
  • 196
    $1.25
  • 392
    $1.14
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0446164281
Fair-Rite Products

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

  • In Stock: 2727

    Immediately

  • 196
    $1.006
  • 392
    $0.867
  • 588
    $0.859
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0461164281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 230Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - OD 0.788" W x 0.385" H (20.02mm x ...

  • In Stock: 2530

    Immediately

  • On Order: 5292

    Ships 10/5/26

  • 25
    $1.94
  • 196
    $1.36
  • 392
    $1.28
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0443806406
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 90Ohm @ 100MHz - ID 0.610" Dia (15.49mm) - OD 1.360" W x 0.591" H (34.54mm x ...

  • On Order: 10080

    Ships 12/14/26

  • 120
    $1.097
  • 360
    $0.970
  • 600
    $0.963
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