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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 PRODUCT RESULTS FOR ""

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53 Products

    0446164951
    0446164951 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.193"
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    In Stock: 3
    Can Ship immediately 
    On Order: 2646
    can ship 7/6/26
    1
    $0.9878
    294
    $0.8980
    588
    $0.8440
    1,176
    $0.8250
    2,646
    $0.7990
    0443178181
    0443178181 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.161"
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    In Stock: 1008
    Can Ship immediately 
    25
    $1.284
    250
    $0.705
    504
    $0.695
    1,008
    $0.656
    2,520
    $0.622
    0443164151
    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 ...
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    In Stock: 4870
    Can Ship immediately 
    On Order: 4950
    can ship 5/11/26
    110
    $1.997
    330
    $1.964
    550
    $1.955
    1,100
    $1.950
    2,530
    $1.945
    0431178181
    Data Sheet
    0431178181 Fair-Rite Products
    Ferrite Clamp On Cores Low & BB Freq 31 Mat 183Ohm @250MHz Round
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    In Stock: 2221
    Can Ship immediately 
    On Order: 6829
    can ship 7/6/26
    25
    $1.000
    250
    $0.662
    504
    $0.655
    1,008
    $0.649
    2,520
    $0.646
    0446164151
    Data Sheet
    0446164151 Fair-Rite Products
    Ferrite Core Round Cable Snap-Its 46-Material
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    In Stock: 956
    Can Ship immediately 
    110
    $2.099
    330
    $2.065
    550
    $2.055
    1,100
    $2.050
    2,530
    $2.045
    0444164181
    0444164181 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 230Ohm @ 100MHz - ID 0.514" Dia (13.06mm) - OD 1.220" W x 0.600" H (30.99mm x ...
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    In Stock: 1882
    Can Ship immediately 
    10
    $3.477
    50
    $2.674
    110
    $2.514
    330
    $2.489
    550
    $2.483
    0431163951
    Data Sheet
    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 ...
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    On Order: 924
    can ship 5/25/26
    5
    $6.99
    84
    $3.92
    168
    $3.81
    252
    $3.80
    504
    $3.79
    0431164951
    0431164951 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 280Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.680" W x 0.331" H (17.27mm x ...
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    In Stock: 994
    Can Ship immediately 
    On Order: 5292
    can ship 5/11/26
    25
    $1.125
    294
    $0.837
    588
    $0.829
    1,176
    $0.821
    2,646
    $0.817
    0475167281
    Data Sheet
    0475167281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .388"
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    On Order: 348
    can ship 7/6/26
    5
    $6.40
    50
    $4.01
    225
    $3.92
    450
    $3.90
    675
    $3.88
    0443163951
    0443163951 Fair-Rite Products
    Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 2.00"
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    19 Weeks
    5
    $7.39
    25
    $4.86
    84
    $4.41
    168
    $4.37
    252
    $4.35