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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

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: 332

    Ships Immediately

  • On Order: 24440

    can ship 12/29/25


  • 10
    $1.99
  • 196 +
    $1.26
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0444173551

Fair-Rite Products

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

  • On Order: 1856

    can ship 1/26/26


  • 5
    $5.75
  • 50
    $3.73
  • 110
    $3.69
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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: 2298

    Ships Immediately

  • On Order: 5280

    can ship 1/19/26


  • 220
    $0.750
  • 440
    $0.742
  • 660
    $0.738
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0431163951

Fair-Rite Products

Solid Free Hanging Ferrite Core - 300Ohm @ 100MHz - ID 2.500" Dia (63.50mm) - OD 2.670" W x 0.320" H (67.82mm x 8 ...

  • On Order: 420

    can ship 12/29/25


  • 5
    $5.93
  • 84
    $3.80
  • 168
    $3.78
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0443178281

Fair-Rite Products

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

  • On Order: 588

    can ship 12/29/25


  • 25
    $1.56
  • 196
    $1.27
  • 392
    $1.21
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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: 1264

    Ships Immediately

  • On Order: 5292

    can ship 1/19/26


  • 25
    $1.188
  • 294
    $0.877
  • 588
    $0.873
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0461178181

Fair-Rite Products

Snap On Free Hanging Ferrite Core - 115Ohm @ 100MHz - ID 0.169" Dia (4.29mm) OD 0.465" W x 0.221" H (11.81mm x 5. ...

  • In Stock: 5052

    Ships Immediately


  • 25
    $1.071
  • 250
    $0.742
  • 504
    $0.734
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0443164051

Fair-Rite Products

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

  • In Stock: 958

    Ships Immediately


  • 5
    $9.58
  • 25
    $6.17
  • 84
    $5.89
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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: 7

    Ships Immediately

  • On Order: 3506

    can ship 3/2/26


  • 1
    $1.815
  • 25
    $1.650
  • 196
    $1.230
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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: 10373

    Ships Immediately


  • 25
    $1.51
  • 196
    $1.11
  • 392 +
    $1.09
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