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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 Products

    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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    In Stock: 336
    Immediately
    On Order: 1008
    Ships 10/26/26
    5
    $7.06
    84
    $4.26
    168
    $4.14
    252
    $4.13
    504
    $3.90
    0431173951
    0431173951 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 180Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.504" W x 0.220" H (12.80mm x ...
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    In Stock: 5777
    Immediately
    On Order: 10080
    Ships 3/1/27
    25
    $0.987
    250
    $0.642
    504
    $0.598
    1,008
    $0.594
    2,520
    $0.591
    0431177081
    Data Sheet
    0431177081 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 375Ohm @ 100MHz - ID 1.010" Dia (25.65mm) OD 2.220" W x 1.080" H (56.39mm x 2 ...
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    In Stock: 2271
    Immediately
    MANUFACTURER STOCK 15000
    Ships 10/26/26
    On Order: 864
    Ships 11/2/26
    5
    $12.84
    36
    $10.03
    72
    $9.96
    108
    $9.91
    252
    $9.89