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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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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: 72481

    Immediately

  • 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 ...

  • In Stock: 42560

    Immediately

  • 25
    $1.76
  • 196
    $1.25
  • 392
    $1.14
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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: 18921

    Immediately

  • 196
    $1.41
  • 392
    $1.35
  • 588
    $1.31
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0443665806
Fair-Rite Products

Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.343"

  • In Stock: 8528

    Immediately

  • 220
    $0.817
  • 440
    $0.700
  • 660
    $0.697
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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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0443166651
Fair-Rite Products

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

  • In Stock: 1738

    Immediately

  • 10
    $4.14
  • 50
    $3.37
  • 126
    $3.22
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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: 39099

    Immediately

  • On Order: 44770

    Ships 11/2/26

  • 110
    $2.22
  • 330
    $1.97
  • 550
    $1.96
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0431178181
Fair-Rite Products

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

  • 28 Weeks
  • 25
    $1.134
  • 250
    $0.839
  • 504
    $0.825
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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: 1785

    Immediately

  • On Order: 1760

    Ships 12/14/26

  • 5
    $7.21
  • 50
    $4.58
  • 110
    $3.94
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0443164151
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 250Ohm @ 100MHz - ID 0.514" Dia (13.06mm) - OD 1.142" W x 0.583" H (29.01mm x ...

  • In Stock: 13199

    Immediately

  • 110
    $2.20
  • 330
    $1.95
  • 550
    $1.94
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