EVER WONDERED WHAT THE SMALL CYLINDER IN YOUR LAPTOP CHARGER IS FOR ?

I bet no one ever thought of this until now.


So you have been using your laptops for years

 What's That For?

Many of us have absolutely no clue what the pieces on our electronic devices are for...because we're only worried if they work or not!

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Laptop Charger

Take your charger for example, have you ever realized there's an additional cylinder piece on the chord that seems to be there for no reason?

Now people are wondering, what small cylinder?

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The cylinder is known as Ferrite Bead.

A ferrite bead, or ferrite choke, is a simple hollow cylinder or bead that is made of ferrite material and that is used in order to suppress or filter the amount of high frequency electromagnetic interference (EMI) noise found in electronic circuits.

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It isolates the laptop from the electro-magnetic noise that occurs from the waves picked up by the cable, or from the noise in AC-DC converter.

It is a kind of electronic choke

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It dissipates high-frequency currents in a ferrite ceramic, and helps make the most powerful noise suppression device! It is called a core, block, or EMI ring.

So, that is what it is all about.

sorce