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

    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
    0475167281
    Data Sheet
    0475167281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .388"
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    In Stock: 723
    Can Ship immediately 
    5
    $6.92
    50
    $4.53
    225
    $4.32
    450
    $4.30
    675
    $4.29
    0461178181
    0461178181 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 115Ohm @ 100MHz - ID 0.169" Dia (4.29mm) OD 0.465" W x 0.221" H (11.81mm x 5. ...
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    In Stock: 7913
    Can Ship immediately 
    25
    $1.154
    250
    $0.794
    504
    $0.786
    1,008
    $0.778
    2,520
    $0.777
    0443164051
    0443164051 Fair-Rite Products
    Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 1.35"
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    In Stock: 1004
    Can Ship immediately 
    5
    $10.25
    25
    $6.58
    84
    $5.85
    168
    $5.84
    252
    $5.82
    0475178281
    0475178281 Fair-Rite Products
    Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .709"
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    In Stock: 825
    Can Ship immediately 
    10
    $4.36
    50
    $3.15
    225
    $3.00
    450
    $2.97
    675
    $2.95
    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: 49979
    Can Ship immediately 
    196
    $1.69
    392
    $1.60
    588
    $1.52
    1,176
    $1.45
    2,548
    $1.37
    0444164181
    0444164181 Fair-Rite Products
    Snap On Free Hanging Ferrite Core - 230Ohm @ 100MHz - ID 0.514" Dia (13.06mm) - OD 1.220" W x 0.600" H (30.99mm x ...
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    In Stock: 2041
    Can Ship immediately 
    10
    $4.34
    50
    $3.34
    110
    $3.07
    330
    $3.03
    550
    $3.02
    0446164151
    Data Sheet
    0446164151 Fair-Rite Products
    Ferrite Core Round Cable Snap-Its 46-Material
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    In Stock: 611
    Can Ship immediately 
    110
    $2.39
    330
    $2.36
    550
    $2.35
    1,100
    $2.34
    2,530
    $2.33
    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: 4
    Can Ship immediately 
    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
    Can Ship immediately 
    On Order: 420
    Ships 12/9/26
    5
    $8.39
    25
    $5.33
    60
    $4.97
    120
    $4.84
    300
    $4.82