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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 ...

  • On Order: 924

    can ship 5/25/26

  • 5
    $6.99
  • 84
    $3.92
  • 168
    $3.81
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0446164281
Fair-Rite Products

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

  • In Stock: 987

    Ships Immediately

  • On Order: 2352

    can ship 6/1/26

  • 196
    $1.052
  • 392
    $0.918
  • 588
    $0.909
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0461176451
Fair-Rite Products

Round Cable Snap On Ferrite Core - 61 Material (200-1000MHz) - Cable Width max .709"

  • In Stock: 828

    Ships Immediately

  • 5
    $10.63
  • 25
    $7.53
  • 60
    $6.23
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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 ...

  • On Order: 38707

    can ship 7/6/26

  • 110
    $2.012
  • 330
    $1.973
  • 550
    $1.968
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Product Image

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: 5820

    can ship 8/31/26

  • 1
    $1.3574
  • 196
    $1.2340
  • 392
    $1.2220
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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 ...

  • On Order: 8201

    can ship 8/17/26

  • 10
    $3.52
  • 50
    $2.80
  • 110
    $2.34
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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: 2550

    Ships Immediately

  • On Order: 25090

    can ship 10/5/26

  • 25
    $1.74
  • 196
    $1.25
  • 392
    $1.14
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Product Image

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: 4337

    Ships Immediately

  • On Order: 5040

    can ship 10/5/26

  • 25
    $1.146
  • 250
    $0.801
  • 504
    $0.786
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Product Image

0443163951
Fair-Rite Products

Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 2.00"

  • In Stock: 315

    Ships Immediately

  • 5
    $8.08
  • 25
    $5.09
  • 84
    $4.41
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0446173951
Fair-Rite Products

Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.193"

  • In Stock: 10506

    Ships Immediately

  • 25
    $0.7618
  • 250
    $0.4906
  • 504
    $0.4701
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