The working principle of Inductance element   Common-mode inductors are inductors used to suppress common-mode noise in circuits. Common-mode noise refers to interference signals that appear on two signal lines (such as power lines or data lines) of a circuit at the same time, usually due to external electromagnetic interference or internal circuit failure. The working principle of common-mode inductors is to offset common-mode noise through the electromagnetic induction of inductors. When common-mode noise appears, it will generate current signals of the same magnitude and phase on the two signal lines of the circuit. These current signals will induce a magnetic field in the common-mode inductor, thereby generating a reverse electromotive force that resists common-mode noise. This reverse electromotive force will suppress common-mode noise and convert it into electromagnetic energy. In principle, the suppression effect of common-mode inductors depends on their inductance valu…

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