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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

    0443167251
    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 ...
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    In Stock: 332
    Ships Immediately
    On Order: 24440
    can ship 12/29/25
    10
    $3.048
    196 +
    $1.930
    0444173551
    0444173551 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 44 Material (25-300MHz) - Cable Width max 0.728"
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    On Order: 1856
    can ship 1/26/26
    5
    $8.806
    50
    $5.712
    110
    $5.651
    330
    $5.620
    550
    $5.590
    0443665806
    0443665806 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.343"
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    In Stock: 2298
    Ships Immediately
    On Order: 5280
    can ship 1/19/26
    220
    $1.149
    440
    $1.136
    660
    $1.130
    1,100
    $1.124
    2,640
    $1.118
    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: 420
    can ship 12/29/25
    5
    $9.081
    84
    $5.819
    168
    $5.788
    252
    $5.773
    504
    $5.743
    0443178281
    0443178281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.362"
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    On Order: 588
    can ship 12/29/25
    25
    $2.389
    196
    $1.945
    392
    $1.852
    588
    $1.823
    1,176
    $1.777
    0444164951
    Data Sheet
    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 ...
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    In Stock: 1264
    Ships Immediately
    On Order: 5292
    can ship 1/19/26
    25
    $1.820
    294
    $1.342
    588
    $1.337
    1,176
    $1.331
    2,646
    $1.323
    0461178181
    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. ...
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    In Stock: 5052
    Ships Immediately
    25
    $1.640
    250
    $1.136
    504
    $1.124
    1,008
    $1.118
    2,520
    $1.114
    0443164051
    0443164051 Fair-Rite Products
    Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 1.35"
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    In Stock: 958
    Ships Immediately
    5
    $14.669
    25
    $9.448
    84
    $9.020
    168
    $8.974
    252
    $8.928
    0446167251
    0446167251 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.388"
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    In Stock: 7
    Ships Immediately
    On Order: 3506
    can ship 3/2/26
    1
    $2.779
    25
    $2.527
    196
    $1.884
    392
    $1.869
    588
    $1.852
    0431164281
    Data Sheet
    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. ...
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    In Stock: 10373
    Ships Immediately
    25
    $2.312
    196
    $1.699
    392 +
    $1.670