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What impact does the temperature coefficient of permeability of the magnetic core have on the performance of common mode inductance?

Time：2025-12-30 Views：48次

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The temperature coefficient of permeability (e.g., approximately -0.2%/℃ for ferrite) can lead to a decrease in inductance at high temperatures, a drift in filtering performance, and saturation of the magnetic core at extreme temperatures. Therefore, it is necessary to choose materials with wide-temperature stability, such as Mn-Zn ferrite.

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