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

    0475164281
    0475164281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .250"
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    On Order: 4760
    Ships 11/12/26
    10
    $4.50
    50
    $3.55
    100
    $3.31
    330
    $3.27
    660
    $3.25
    0443806406
    Data Sheet
    0443806406 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 90Ohm @ 100MHz - ID 0.610" Dia (15.49mm) - OD 1.360" W x 0.591" H (34.54mm x ...
    VIEW PRODUCT
    On Order: 10080
    Ships 12/14/26
    120
    $1.134
    360
    $0.996
    600
    $0.989
    1,080
    $0.984
    2,520
    $0.982
    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: 5234
    Immediately
    On Order: 25284
    Ships 11/30/26
    25
    $1.358
    294
    $0.976
    588
    $0.855
    1,176
    $0.846
    2,646
    $0.844
    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: 9747
    Immediately
    196
    $1.44
    392
    $1.43
    588
    $1.42
    1,176
    $1.41
    2,548
    $1.40
    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: 7180
    Immediately
    220
    $0.842
    440
    $0.721
    660
    $0.718
    1,100
    $0.712
    2,640
    $0.710
    0446173551
    Data Sheet
    0446173551 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.728"
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    In Stock: 76
    Immediately
    10
    $2.49
    50
    $2.38
    110
    $2.33
    330
    $2.25
    550
    $2.21
    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: 1738
    Immediately
    10
    $4.10
    50
    $3.19
    126
    $3.13
    252
    $3.11
    504
    $3.09
    0431176451
    Data Sheet
    0431176451 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 380Ohm @ 100MHz - ID 0.722" Dia (18.34mm) - OD 1.520" W x 0.755" H (38.61mm x ...
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    In Stock: 8244
    Immediately
    5
    $10.32
    25
    $6.76
    60
    $5.90
    120
    $5.76
    300
    $5.75
    0461164951
    Data Sheet
    0461164951 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 61 Material (200-1000MHz) - Cable Width max .193"
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    In Stock: 4974
    Immediately
    25
    $1.56
    294
    $1.15
    588
    $1.14
    1,176
    $1.13
    2,646
    $1.12
    0461178281
    Data Sheet
    0461178281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 61 Material (200-1000MHz) - Cable Width max .343"
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    In Stock: 409
    Immediately
    10
    $2.882
    196
    $1.779
    392
    $1.765
    588
    $1.757
    1,176
    $1.752