Electromagnetic Compatibility (EMC) Suppliers Directory.

Electromagnetic Compatibility (EMC) Suppliers Directory.
> Ferrite Beads and Toroids for TEMPEST and EMC design.

Ferrites: Beads, Toroids, etc.:
for electromagnetic compatibility design.

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FAIR-RITE

AEM-usa,
Amidon,
API Delevan,
Ceramic Magnetics,
EMC Eupen,
Ferrishield,
Ferronics,
King Core,
Kycom,
Mitsubishi,
Steward,
Taiyo Yuden,
VAC,
Wurth,

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NOTES ON FERRITE DEVICES AND TOROIDS in electromagnetic compatibility design.
Ferrite devices are a handy way to add inductance to a circuit, thereby acting as a type of low-pass filter. Some come in two halves, so they can be placed around a wire or a cable without unsoldering or disconnecting anything. They are a handy way to experiment when trying to suppress certain types of emissions. They can also be used to make simple baluns for antennas.
Ferrite-beads also come in extremely small sizes, suitable for mounting on printed circuit boards. Toroids are doughnut-shaped ferrites, suitable for making filters, inductors, baluns and transformers.
The suppliers listed on this page carry a wide variety of ferrite materials, including toroids of many different sizes. They can be used to solve a variety of electromagnetic interference (EMI) problems.