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

    0443164251
    Data Sheet
    0443164251 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 275Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - OD 0.705" W x 0.362" H (17.91mm x ...
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    In Stock: 23454
    Immediately
    196
    $1.085
    392
    $0.939
    588
    $0.930
    1,176
    $0.877
    2,548
    $0.875
    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
    0444173551
    0444173551 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 44 Material (25-300MHz) - Cable Width max 0.728"
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    In Stock: 1035
    Immediately
    On Order: 1760
    Ships 12/14/26
    5
    $7.48
    50
    $4.57
    110
    $4.24
    330
    $4.20
    550
    $3.67
    0443164151
    Data Sheet
    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: 10569
    Immediately
    110
    $2.27
    330
    $1.95
    550
    $1.94
    1,100
    $1.93
    2,530
    $1.92
    0461164281
    Data Sheet
    0461164281 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 230Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - OD 0.788" W x 0.385" H (20.02mm x ...
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    In Stock: 1475
    Immediately
    On Order: 5292
    Ships 12/14/26
    25
    $2.09
    196
    $1.42
    392
    $1.36
    588
    $1.35
    1,176
    $1.34
    0444173951
    Data Sheet
    0444173951 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 150Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.504" W x 0.220" H (12.80mm x ...
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    In Stock: 2911
    Immediately
    25
    $1.059
    250
    $0.692
    504
    $0.588
    1,008
    $0.576
    2,520
    $0.574
    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
    0461167281
    Data Sheet
    0461167281 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 175Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.460" H (23.70mm x ...
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    On Order: 9121
    Ships 12/14/26
    25
    $2.13
    196
    $1.54
    392
    $1.47
    588
    $1.46
    1,176
    $1.38
    0444176451
    Data Sheet
    0444176451 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 365Ohm @ 100MHz - ID 0.722" Dia (18.34mm) - OD 1.520" W x 0.755" H (38.61mm x ...
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    In Stock: 7281
    Immediately
    5
    $12.47
    25
    $8.63
    60
    $6.93
    120
    $6.86
    300
    $6.85
    0444167281
    Data Sheet
    0444167281 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 210Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.460" H (23.70mm x ...
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    In Stock: 970
    Immediately
    10
    $2.75
    196
    $1.77
    392
    $1.54
    588
    $1.53
    1,176
    $1.52