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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 results Products
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0443164051
Fair-Rite Products

Flat Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 1.35"

  • In Stock: 1004

    Immediately

  • 5
    $10.25
  • 25
    $6.58
  • 84
    $5.85
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0475178281
Fair-Rite Products

Round Cable Snap On Ferrite Core - 75 Material (200 kHz-30MHz) - Cable Width max .709"

  • In Stock: 825

    Immediately

  • 10
    $4.36
  • 50
    $3.15
  • 225
    $3.00
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0446164151
Fair-Rite Products

Ferrite Core Round Cable Snap-Its 46-Material

  • In Stock: 611

    Immediately

  • 110
    $2.37
  • 330
    $2.18
  • 550
    $2.17
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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 ...

  • In Stock: 2041

    Immediately

  • 10
    $4.34
  • 50
    $3.34
  • 110
    $3.07
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0431163951
Fair-Rite Products

Solid Free Hanging Ferrite Core - 300Ohm @ 100MHz - ID 2.500" Dia (63.50mm) - OD 2.670" W x 0.320" H (67.82mm x 8 ...

  • In Stock: 504

    Immediately

  • 5
    $6.36
  • 84
    $4.39
  • 168
    $4.35
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0431178281
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 215Ohm @ 500MHz - ID 0.354" Dia (8.99mm) OD 0.846" W x 0.415" H (21.49mm x 10 ...

  • In Stock: 16090

    Immediately

  • 25
    $1.91
  • 196
    $1.37
  • 392
    $1.19
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0461164181
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 205Ohm @ 100MHz - ID 0.514" Dia (13.06mm) - OD 1.220" W x 0.600" H (30.99mm x ...

  • In Stock: 4180

    Immediately

  • 10
    $4.61
  • 50
    $3.40
  • 110
    $3.12
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0431173551
Fair-Rite Products

Snap On Free Hanging Ferrite Core - 220Ohm @ 100MHz - ID 0.740" Dia (18.80mm) - OD 1.150" W x 0.579" H (29.21mm x ...

  • In Stock: 7109

    Immediately

  • On Order: 5280

    Ships 12/24/26

  • 10
    $4.11
  • 50
    $2.93
  • 110
    $2.90
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0443178181
Fair-Rite Products

Round Cable Snap On Ferrite Core - 43 Material (25-300MHz) - Cable Width max 0.161"

  • In Stock: 1262

    Immediately

  • On Order: 1008

    Ships 12/14/26

  • 50
    $1.007
  • 250
    $0.755
  • 504
    $0.647
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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 ...

  • In Stock: 3135

    Immediately

  • 5
    $12.70
  • 36
    $9.90
  • 72
    $9.80
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