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That odd bump on your charging cable has a real job, and it’s more important than you think
That small black lump on your charger cable is a ferrite bead, a vital component that filters out electrical noise. This ...
Morning Overview on MSN
That black cylinder on your cables actually does something
The small black cylinder near the end of many power and data cables is not a decorative lump of plastic, it is a deliberate ...
Simple, two-terminal SMT (surface-mount-technology)-ferrite-bead components perform crucial functions in many systems. For example, one might suppress electromagnetic emissions from a power wire.
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