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Ferrite Cores

28B1142-100 Ferrite core, Steward, 28B0686-200 Ferrite core, Steward, 77BEAD Ferrite Shield Bead, #77, 2677006302, Fair Rite, 3/4CORE Ferrite Core, 3/4" x 1/2", 61 Material, T157-2 Ferrite core, Micrometals, T37-3 Ferrite core, Micrometals, T44-6 Ferrite core, Micrometals, 28B1122-100 Ferrite core, steward, T157-26 Ferrite core, Micrometals, 901330 Ferrite Bead, EMI Shield, 0.2"dx 0.5"l. 0.09"id, Ceramag
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T20-6 Micrometals Iron Powder Toroid #6 Material
T20-6 Micrometals Iron Powder Toroid #6 Material

In Stock


  • Max Q Frequency Range: 3MHz - 40MHz

  • Permeability = 8.5μ°

  • AL Value: 22μh/100 Turns


MFR: Micrometals

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T37-8 Micrometals Iron Powder Toroid #8 Material
T37-8 Micrometals Iron Powder Toroid #8 Material

In Stock


  • Permeability = 35μ°

  • Max Q Frequency Range: 0.2MHz - 1MHz

  • AL Value: 120µH/100 turns


MFR: Micrometals
SKU: T37-8

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T37-17 Micrometals Iron Powder Toroid #17 Material
T37-17 Micrometals Iron Powder Toroid #17 Material

In Stock


  • Max Q Frequency Range:  20MHz - 200MHz

  • Permeability: 4.0μ°

  • AL Value 15µH/100 turns


MFR: Micrometals
SKU: T37-17


NOS from older production.

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5961001901 Fair-Rite Products Ferrite Core 61 Material 1/2" x 1/2"
5961001901 Fair-Rite Products Ferrite Core 61 Material 1/2" x 1/2"

In Stock


  • Outside Diameter:  0.500"

  • Inside Diameter: 0.311"

  • Inductance Factor (nH): 150 ±25%

  • Effective Cross-Sectional Area (cm2): 0.299

  • Core Constant (cm-1): 10.4

  • Effective Path Length (cm): 3.12

  • Effective Core Volume (cm3): 0.93


MFR: Fair-Rite Products
SKU: 1/2CORE

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