Ferrite Cores

Hydrogen Reduxed material. Highest permeability of all iron powder types. Used for EMI filters and DC chokes.
Silimar to the newer #26 material but with less frequency range.

• Permeability = 70μ°

New Old Stock * No longer available for export
MFR: Micrometals
SKU: T44-41

• 2 Material
• AL Values listed in µH/100 Turns
• Frequency Range 2 Mhz - 30 Mhz
• Color = Red
• AL Value: 55

MFR: Micrometals
SKU: T80-2

28B0686-200 Broadband EMI Ferrite Cylindrical Core for Round Cables and Wiring Harnesses, 28 Material, 0.375" ID, 0.685" OD, 1.132" Long, MFR: Steward

2631625102  Ferrite Core, 31 Material, 31 Round Cable Core, Freq: 1-300 mhz, Size: 1.125" Long, 0.625" OD, 0.312" ID, MFR: Fair-Rite

Size:  0.755" long x 0.52" Outside Diameter x 0.32" Inside Diameter

This core is used in 3/4" or larger ferrite transformers.
SKU: 3/4CORE

• Max Q Frequency Range: 3 MHz - 40 Mhz
• Permeability = 8μ°
• AL Value: 45 µH/100 turns

MFR: Micrometals
SKU: T80-6

Micrometals Iron Powder Toroid T68-6: Radio Frequency core for HF Baluns or Output Transformers of Power Amplifiers. Popular for amateur radio applications with typical frequency range up to 40MHz Broadband frequency range 200 to 400 MHz.

• #6 Material
• Frequency Range 3 Mhz -40 Mhz
• Color: Yellow (2 Sides)
• Permeability = 8.5

MFR: Micrometals
SKU: T68-6.255

Radio Frequency core for HF Baluns or Output Transformers of Power Amplifiers. 

• Max Q Frequency Range: 3 Mhz -40 Mhz
• Color: Yellow (2 Sides)
• Permeability = 8.5μ°

MFR: Micrometals
SKU: T68-6

#2 Material
Permeability = 10
Frequency Range .25 Mhz - 10 Mhz
Color = Red

MFR: Micrometals
SKU: T106-2