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

    0444177081
    Data Sheet
    0444177081 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 335Ohm @ 100MHz - ID 1.010" Dia (25.65mm) OD 2.220" W x 1.080" H (56.39mm x 2 ...
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    On Order: 360
    Ships 1/25/27
    1
    $24.684
    5
    $22.440
    10
    $15.750
    36
    $12.630
    72
    $12.500
    0446176451
    0446176451 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.709"
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    In Stock: 265
    Immediately
    On Order: 420
    Ships 12/9/26
    5
    $8.39
    25
    $5.33
    60
    $4.97
    120
    $4.84
    300
    $4.82
    0475176451
    Data Sheet
    0475176451 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .343"
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    In Stock: 355
    Immediately
    On Order: 348
    Ships 12/14/26
    5
    $13.93
    25
    $9.08
    58
    $8.85
    116
    $8.83
    290
    $8.80
    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
    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
    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
    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
    0446167251
    Data Sheet
    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: 9740
    Immediately
    196
    $1.40
    392
    $1.22
    588
    $1.21
    1,176
    $1.20
    2,548
    $1.19
    0431164951
    Data Sheet
    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: 4865
    Immediately
    On Order: 25284
    Ships 11/30/26
    25
    $1.318
    294
    $0.948
    588
    $0.830
    1,176
    $0.821
    2,646
    $0.819