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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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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
    $6.85
  • 84
    $4.14
  • 168
    $4.02
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0431173551
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 220Ohm @ 100MHz - ID 0.740" Dia (18.80mm) - OD 1.150" W x 0.579" H (29.21mm x ...

  • In Stock: 4031

    Immediately

  • On Order: 4840

    Ships 10/23/26

  • 10
    $3.84
  • 50
    $2.96
  • 110
    $2.48
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0475176451
Fair-Rite Products

Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .343"

  • In Stock: 626

    Immediately

  • 5
    $12.55
  • 25
    $8.75
  • 58
    $8.45
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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: 3928

    Immediately

  • On Order: 5280

    Ships 9/24/26

  • 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: 9266

    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: 3519

    Immediately

  • On Order: 10120

    Ships 9/24/26

  • 110
    $2.45
  • 330
    $2.29
  • 550
    $2.22
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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 11/9/26

  • 50
    $1.007
  • 250
    $0.755
  • 504
    $0.647
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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: 731

    Immediately

  • On Order: 5096

    Ships 10/23/26

  • 196
    $1.51
  • 392
    $1.45
  • 588
    $1.41
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0446164151
Fair-Rite Products

Ferrite Core Round Cable Snap-Its 46-Material

  • In Stock: 281

    Immediately

  • On Order: 330

    Ships 9/28/26

  • 110
    $2.27
  • 330
    $2.05
  • 550
    $2.04
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0461167281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 175Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.460" H (23.70mm x ...

  • On Order: 10101

    Ships 12/14/26

  • 25
    $2.09
  • 196
    $1.46
  • 392
    $1.38
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