Common-mode inductance

9 month ago

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10 month

Product details

Selection factors of common mode inductors

Generally speaking, the larger the common-mode impedance, the better. When choosing a common-mode inductor, it is mainly based on the impedance frequency curve. At the same time, it is necessary to consider the impact of differential-mode impedance on the signal.

And pay attention to the following points:

1. Package volume: Common-mode inductors are plug-ins and patches, and of course, they are also integrated. When choosing, you should choose according to the actual circuit. If the plug-in cannot be installed, you can only use the patch.

2. Impedance characteristics are the main considerations. Generally, when choosing, pay special attention to the frequency band required for filtering. You need to read the common-mode inductor specification, mainly the impedance frequency curve. Generally, the larger the common-mode impedance, the better.

3. Leakage inductance size: Due to problems such as the common-mode inductor processing technology, the coil winding of the common-mode inductor cannot be exactly the same, which will cause leakage magnetic field and produce the so-called "leakage inductance". It is necessary to consider the impact of differential-mode impedance on the signal, especially high-speed signals. However, the leakage inductance is sometimes different, which is bad. The leakage inductance generated by the common-mode inductor can sometimes save the cost of adding differential-mode inductor components.

Our main products are I-type Inductor、Common Mode Inductor and so on.

Please contact us if necessary. Look forward to your sincere cooperation.

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Xuzhou Jiuli Electronics Co., Ltd

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10 month

Main Product: Electronic Transformer, High-frequency Transformer , Switching Power Supply Transformer, Differential Mode Inductor, I-type Inductor, Common Mode Inductor

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