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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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0446173551
Fair-Rite Products

Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.728"

  • In Stock: 76

    Immediately

  • 10
    $2.42
  • 50
    $2.31
  • 110
    $2.26
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0461178281
Fair-Rite Products

Round Cable Snap On Ferrite Core - 61 Material (200-1000MHz) - Cable Width max .343"

  • In Stock: 514

    Immediately

  • 10
    $2.798
  • 196
    $1.727
  • 392
    $1.714
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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: 50

    Immediately

  • On Order: 588

    Ships 9/18/26

  • 1
    $1.1759
  • 196
    $1.0690
  • 392
    $0.9360
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0461164181
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 205Ohm @ 100MHz - ID 0.514" Dia (13.06mm) - OD 1.220" W x 0.600" H (30.99mm x ...

  • On Order: 4540

    Ships 10/19/26

  • 10
    $3.534
  • 50
    $2.717
  • 110
    $2.563
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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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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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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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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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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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0446167281
Fair-Rite Products

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

  • In Stock: 1183

    Immediately

  • 196
    $1.17
  • 392
    $1.05
  • 588
    $1.04
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