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

    0444164281
    Data Sheet
    0444164281 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 260Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - OD 0.788" W x 0.385" H (20.02mm x ...
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    In Stock: 14805
    Immediately
    196
    $1.30
    392
    $1.13
    588
    $1.12
    1,176
    $1.11
    2,548
    $1.10
    0446164951
    Data Sheet
    0446164951 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.193"
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    On Order: 10933
    Ships 11/30/26
    294
    $0.814
    588
    $0.800
    1,176
    $0.794
    2,646
    $0.790
    5,292
    $0.788
    0443800506
    Data Sheet
    0443800506 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.504"
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    In Stock: 439
    Immediately
    220
    $1.018
    440
    $0.961
    660
    $0.940
    1,100
    $0.938
    2,640
    $0.910
    0443166651
    0443166651 Fair-Rite Products
    Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 1.35"
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    In Stock: 1588
    Immediately
    10
    $4.76
    50
    $3.39
    126
    $3.36
    252
    $2.69
    504
    $2.67
    0431178181
    Data Sheet
    0431178181 Fair-Rite Products
    Ferrite Clamp On Cores Low & BB Freq 31 Mat 183Ohm @250MHz Round
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    On Order: 24304
    Ships 2/15/27
    25
    $1.190
    250
    $0.838
    504
    $0.762
    1,008
    $0.755
    2,520
    $0.753
    0446164251
    Data Sheet
    0446164251 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.5"
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    In Stock: 3527
    Immediately
    196
    $1.63
    392
    $1.11
    588
    $1.10
    1,176
    $1.04
    2,548
    $1.03
    0431167281
    Data Sheet
    0431167281 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 240Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.461" H (23.70mm x ...
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    In Stock: 49979
    Immediately
    196
    $1.25
    392
    $1.06
    588
    $1.05
    1,176
    $1.04
    2,548
    $1.03
    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: 1004
    Immediately
    5
    $10.25
    25
    $6.58
    84
    $5.85
    168
    $5.84
    252
    $5.82
    0475178281
    0475178281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .709"
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    In Stock: 688
    Immediately
    10
    $4.36
    50
    $3.15
    225
    $3.00
    450
    $2.97
    675
    $2.95
    0446164151
    Data Sheet
    0446164151 Fair-Rite Products
    Ferrite Core Round Cable Snap-Its 46-Material
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    In Stock: 611
    Immediately
    110
    $2.39
    330
    $2.36
    550
    $2.35
    1,100
    $2.34
    2,530
    $2.33