Fuses and electrical protection symbols

Fuses are devices containing a small piece of special wire that melts when the intensity of the current flowing through it for a certain period of time exceeds a set value, thus protecting the rest of the electrical circuit overloads.

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Electric filter symbols

The filters circuits are devices that let the pass a frequency or band of frequencies while blocking others or vice versa, can modify both the amplitude and phase. The electronic filter can be analog or digital.

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