Ferrite Core

Ferrite Core, EMI soft ferrite core, SMD ferrite core, MnZn ferrite core, Various Styles Ferrite Cores for TRANSFORMER and INDUCTOR

Ferrites that are used in transformer or electromagnetic cores contain nickel, zinc, and/or manganese compounds. They have a low coercivity and are called soft ferrites. The low coercivity means the material’s magnetization can easily reverse direction without dissipating much energy (hysteresis losses), while the material’s high resistivity prevents eddy currents in the core, another source of energy loss. Because of their comparatively low losses at high frequencies, they are extensively used in the cores of RF transformers and inductors in applications such as switched-mode power supplies and loopstick antennas used in AM radios.

The most common soft ferrites are:
MnZn ferrite (Manganese-zinc ferrite). MnZn have higher permeability and saturation induction than NiZn.
NiZn ferrite (Nickel-zinc ferrite). NiZn ferrites exhibit higher resistivity than MnZn, and are therefore more suitable for frequencies above 1 MHz.
For applications below 5 MHz, MnZn ferrites are used; above that, NiZn is the usual choice. The exception is with common mode inductors, where the threshold of choice is at 70 MHz.

 
 
 
EMI Ferrite Core MnZn Ferrite Core Magnetic Powder Core Iron Powder Core
 
SMD Ferrite Core Amorphous Core  
CDR Type SMD Inductor Ferrite Core

CDR Type SMD Inductor Ferrite Core

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8D Type SMD Industrial Ferrite Core

8D Type SMD Industrial Ferrite Core

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104R Type SMD Soft Ferrite Core

104R Type SMD Soft Ferrite Core

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3D6D Type Ferrite Magnet Core

3D/6D Type Ferrite Magnet Core

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I Type F8N NiZn Ferrite Core

I Type F8N NiZn Ferrite Core

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P Type SMD SMT Ferrite Core

P Type SMD SMT Ferrite Core

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SDRI74 Type Chip Inductor Ferrite Core

SDRI74 Type Chip Inductor Ferrite Core

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SDRI127 Type SMD Inductor Ferrite Core

SDRI127 Type SMD Inductor Ferrite Core

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SP Type SMD Small Ferrite Core

SP Type SMD Small Ferrite Core

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TSD Type SMD Ferrite Cores

TSD Type SMD Ferrite Cores

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SCFS Type EMI Suppression Ferrite Core

SCFS Type EMI Suppression Ferrite Core

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RHS Type EMI Soft Magnetic Ferrite Core

RHS Type EMI Soft Magnetic Ferrite Core

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FS Type EMI Split Cable Clamp Ferrite Core

FS Type EMI Split Cable Clamp Ferrite Core

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RnH Type Cylinder Soft Ferrite Cores

RnH Type Cylinder Soft Ferrite Cores

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CF Type Flat Ferrite Core

CF Type Flat Ferrite Core

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DRnW Type EMI Ferrite Drum Core

DRnW Type EMI Ferrite Drum Core

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SCH Type EMI Split Cable Ferrite Core

SCH Type EMI Split Cable Ferrite Core

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SCT Type EMI Soft Split Ferrite Core for Cables

SCT Type EMI Soft Split Ferrite Core for Cables

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SCNF Type EMI Cable Ferrite Split Core

SCNF Type EMI Cable Ferrite Split Core

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SCRC Type Cable Ferrite Clamp Core

SCRC Type Cable Ferrite Clamp Core

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