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How does leakage inductance of common mode inductance occur? What problems will arise if the leakage inductance is too large?

Time：2025-12-30 Views：43次

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Leakage inductance is caused by incomplete coupling of magnetic flux (such as asymmetric windings, core gaps). Excessive leakage inductance can be converted into differential mode inductance, affecting signal integrity, leading to high-frequency oscillation, increasing EMI risk, and reducing common mode rejection ratio.

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