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

    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 ...
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    On Order: 10080
    Ships 12/14/26
    120
    $1.126
    360
    $1.027
    600
    $1.000
    1,080
    $0.985
    2,520
    $0.983
    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
    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
    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
    $2.42
    50
    $2.31
    110
    $2.26
    330
    $2.18
    550
    $2.15
    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
    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: 3344
    Immediately
    25
    $1.51
    294
    $1.12
    588
    $1.11
    1,176
    $1.10
    2,646
    $1.09
    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: 318
    Immediately
    10
    $2.798
    196
    $1.727
    392
    $1.714
    588
    $1.706
    1,176
    $1.701
    0475181651
    Data Sheet
    0475181651 Fair-Rite Products
    Ferrite Core Clamp - 75 material - low frequency suppression 150kHz to 10MHz. 12.8mm OD - 5.1mm ID
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    In Stock: 154
    Immediately
    10
    $3.73
    50
    $2.71
    250
    $2.36
    500
    $2.35
    1,008
    $2.34
    0446167281
    Data Sheet
    0446167281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.388"
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    In Stock: 1024
    Immediately
    196
    $1.26
    392
    $1.10
    588
    $1.09
    1,176
    $1.03
    2,548
    $1.02
    0431164281
    Data Sheet
    0431164281 Fair-Rite Products
    Hinged (Snap On) Ferrite Core - 1 MHz to 300 MHz - 310 Ohm @ 100MHz - ID 0.260" Dia (6.60mm) - Length 1.550" (39. ...
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    In Stock: 61734
    Immediately
    196
    $1.13
    392
    $1.12
    588
    $1.11
    1,176
    $1.10
    2,548
    $1.09