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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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0446164251
Fair-Rite Products

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

  • In Stock: 3919

    Immediately

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

    Immediately

  • On Order: 5820

    Ships 9/21/26

  • 1
    $1.3574
  • 196
    $1.2340
  • 392
    $1.2220
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0443625006
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 113Ohm @ 100MHz - ID 0.311" Dia (7.90mm) - OD 0.972" W x 0.402" H (24.69mm x ...

  • In Stock: 6160

    Immediately

  • 220
    $0.603
  • 440
    $0.581
  • 660
    $0.580
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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: 3380

    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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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 ...

  • In Stock: 84

    Immediately

  • On Order: 840

    Ships 10/12/26

  • 5
    $6.77
  • 84
    $4.14
  • 168
    $4.02
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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: 4368

    Immediately

  • On Order: 5280

    Ships 9/14/26

  • 220
    $0.817
  • 440
    $0.700
  • 660
    $0.697
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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: 9657

    Immediately

  • 5
    $11.55
  • 25
    $8.27
  • 60
    $6.94
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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: 4069

    Immediately

  • On Order: 10120

    Ships 1/11/27

  • 110
    $1.997
  • 330
    $1.964
  • 550
    $1.955
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0443178181
Fair-Rite Products

Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.161"

  • On Order: 1512

    Ships 1/11/27

  • 50
    $1.596
  • 250
    $0.891
  • 504
    $0.728
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