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

    0443625006
    0443625006 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 113Ohm @ 100MHz - ID 0.311" Dia (7.90mm) - OD 0.972" W x 0.402" H (24.69mm x ...
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    In Stock: 5060
    Can Ship immediately 
    220
    $0.640
    440
    $0.633
    660
    $0.581
    1,100
    $0.576
    2,640
    $0.574
    0446173951
    0446173951 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.193"
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    In Stock: 9198
    Can Ship immediately 
    50
    $0.974
    250
    $0.695
    504
    $0.624
    1,008
    $0.618
    2,520
    $0.616
    0446164281
    Data Sheet
    0446164281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.5"
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    In Stock: 2727
    Can Ship immediately 
    196
    $1.319
    392
    $0.876
    588
    $0.869
    1,176
    $0.865
    2,548
    $0.863
    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
    Can Ship immediately 
    196
    $1.26
    392
    $1.10
    588
    $1.09
    1,176
    $1.03
    2,548
    $1.02
    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
    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
    Can Ship immediately 
    110
    $2.27
    330
    $1.95
    550
    $1.94
    1,100
    $1.93
    2,530
    $1.92
    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
    0444164951
    Data Sheet
    0444164951 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 245Ohm @ 100MHz - ID 0.201" Dia (5.11mm) - OD 0.680" W x 0.331" H (17.27mm x ...
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    In Stock: 4300
    Can Ship immediately 
    On Order: 5292
    Ships 11/30/26
    25
    $1.449
    294
    $1.015
    588
    $0.840
    1,176
    $0.838
    2,646
    $0.836
    0443178281
    0443178281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.362"
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    In Stock: 638
    Can Ship immediately 
    196
    $1.135
    392
    $0.995
    588
    $0.987
    1,176
    $0.927
    2,548
    $0.924
    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
    Can Ship immediately 
    On Order: 1760
    Ships 12/14/26
    5
    $7.48
    50
    $4.57
    110
    $4.24
    330
    $4.20
    550
    $3.67