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A ferrite bead is a passive electric component, which is commonly used for suppressing high frequency noise in electronic circuits.

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What is the component on the schematic indicated by the symbol of a diagonal rectangle with ...

Those are ferrite beads, rated at 50 \$\text{m}\Omega\$ DC resistance and 2A. At low frequencies, they are predominantly inductive, but become more resistive (lossy) at high frequencies. They are very …
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