Have you ever know what is the use of Black Cylindrical shaped beads(ferrite bead) in Cables.
Have you ever know what is the use ferrite bead in Cables.
Hi friends you might have seen this cable often in all areas, but did you noticed why there is a cylindrical long shaped black bead kept in cables likes USB..etc. for what purposes it used.
Here the solution:
A black cylindrical shaped bead called as ferrite bead is a passive electric component that suppresses high frequency noise in electronic circuits.
It is a specific type of electronic choke.
Ferrite beads employ the dissipation of high frequency currents in a ferrite ceramic to build high frequency noise suppression devices.
It will reduce EMI( electro magnetic induction) inside the cables.
Hi friends you might have seen this cable often in all areas, but did you noticed why there is a cylindrical long shaped black bead kept in cables likes USB..etc. for what purposes it used.
Here the solution:
A black cylindrical shaped bead called as ferrite bead is a passive electric component that suppresses high frequency noise in electronic circuits.
It is a specific type of electronic choke.
Ferrite beads employ the dissipation of high frequency currents in a ferrite ceramic to build high frequency noise suppression devices.
It will reduce EMI( electro magnetic induction) inside the cables.
Replies
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Ramani Aswath
This video gives some basic details:Mr. ShameemHave you ever know what is the use ferrite bead in Cables.
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lal#-Link-Snipped-#, EMI in this context is Electro Magnetic Interference. Electro magnetic induction is the generation of electro motive force when a conductor is subject to varying magnetic field, which is a different thing.
Anyway, a ferrite bead in a way helps maintain EMC - electromagnetic compatibility and reduce EMI - electromagnetic interference in a system. Ideally a system should be functional in a noise filled environment and shouldn't emit any noise that might interfere with other systems/sub-systems.
Ferrite beads, shielded cables, connector backshells, proper grounding, EMI gaskets, EMI filters, EMI honeycomb ventelation panels are some of the many ways followed to improve EMC and reduce EMI.
You are reading an archived discussion.
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