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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 PRODUCT RESULTS FOR ""

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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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    In Stock: 472
    Can Ship immediately 
    5
    $15.92
    10
    $13.18
    36
    $13.04
    72
    $12.49
    108
    $12.36
    0431177081
    Data Sheet
    0431177081 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 375Ohm @ 100MHz - ID 1.010" Dia (25.65mm) OD 2.220" W x 1.080" H (56.39mm x 2 ...
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    In Stock: 248
    Can Ship immediately 
    On Order: 2088
    Ships 11/5/26
    5
    $12.46
    36
    $9.71
    72
    $9.62
    108
    $9.60
    252
    $9.57
    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: 12866
    Can Ship immediately 
    On Order: 25284
    Ships 11/30/26
    25
    $1.313
    294
    $0.950
    588
    $0.943
    1,176
    $0.939
    2,646
    $0.936
    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: 18725
    Can Ship immediately 
    196
    $1.41
    392
    $1.35
    588
    $1.31
    1,176
    $1.25
    2,548
    $1.19
    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
    $0.886
    588
    $0.846
    1,176
    $0.810
    2,646
    $0.777
    5,292
    $0.756
    0443800506
    Data Sheet
    0443800506 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.504"
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    In Stock: 439
    Can Ship immediately 
    220
    $0.861
    440
    $0.745
    660
    $0.743
    1,100
    $0.738
    2,640
    $0.736
    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
    Can Ship immediately 
    10
    $4.14
    50
    $3.37
    126
    $3.22
    252
    $3.12
    504
    $2.95
    0431178181
    Data Sheet
    0431178181 Fair-Rite Products
    Ferrite Clamp On Cores Low & BB Freq 31 Mat 183Ohm @250MHz Round
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    On Order: 24808
    Ships 2/15/27
    25
    $1.190
    250
    $0.838
    504
    $0.762
    1,008
    $0.755
    2,520
    $0.753
    0446164251
    Data Sheet
    0446164251 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 46 Material (25-300MHz) - Cable Width max 0.5"
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    In Stock: 3919
    Can Ship immediately 
    196
    $1.17
    392
    $1.05
    588
    $1.04
    1,176
    $1.03
    2,548
    $1.02
    0431167281
    Data Sheet
    0431167281 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 240Ohm @ 100MHz - ID 0.400" Dia (10.16mm) - OD 0.933" W x 0.461" H (23.70mm x ...
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    In Stock: 17709
    Can Ship immediately 
    On Order: 50176
    Ships 10/12/26
    196
    $1.18
    392
    $1.06
    588
    $1.05
    1,176
    $1.04
    2,548
    $1.03