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The greater the number of chip coil turns, the greater the current inductance?

View: 30403/07/2020  

The greater the number of chip coil turns, the greater the current inductance?


The more turns of the chip coil inductor, the larger the current inductance? How much impact can they have?


  Many inductor manufacturers are not very clear! Changzhou Nanfang Electrical Component Factory offers you some answers below!


First, the greater the number of chip coil inductance turns, the larger the current?

  Regarding electromagnets, the greater the current through the electromagnet, the stronger its magnetism; when the current is constant, the more turns of the inductor coil, the stronger the magnetism; then when the number of inductance turns of the chip coil increases, its resistance will be Bigger, resistance


The larger the voltage becomes, the larger the voltage becomes, the stronger the magnetism is; why not the higher the voltage, the stronger the magnetism, but the more the coil turns, the stronger the magnetism?


1. Formula answer:


  Formula for calculating the magnetic field strength of the coil inductance: H = N × I / Le

  In the formula: H is the magnetic field strength, the unit is A / m; N is the number of turns of the exciting coil; I is the exciting current (measured value), the unit is A; Le is the effective magnetic circuit length of the test sample, the unit is m.

  As can be seen from the above, the current and the number of turns determine the strength of the magnetic field.

  SMD inductor voltage is a parameter converted from the current and the internal resistance of the coil, and the internal resistance is related to the number of coil turns and the material. It is not convenient to calculate directly. It will be more convenient to use constant current.


QQ图片20190928164746.jpg


Question: Will the current be smaller as the number of coil turns of the chip coil inductor increases?


Answer: This statement is not completely correct. In the case of the same power, the more the number of coil turns of the inductor, the higher the voltage. From I = P / U, we can know that when the power P is a certain value, the voltage is greater.


The current is naturally smaller.

Second, the more turns of the chip coil inductance, the larger the inductance?

  The more inductive coils, the impact on the inductance. For customers, they buy quality, services, and peace of mind. The more turns of the inductor coil, the larger the inductance,


The coil is made of ferromagnetic material, the greater the inductance. Then we must first understand the relationship between the inductance coil and the number of turns, the more what the inductance coil, the impact on the inductance. The inductance of a coil is related to the number of turns of the coil and the material inside the coil.


  The larger the number of turns, the cross-sectional area and the length of the coil coil, the larger the coil length, the larger the cross-sectional area of the coil, and the larger the inductance. It has nothing to do with the others. Inductance is the ratio of the magnetic flux of a wire to the current that produces it when an alternating current flows through the wire.


  The more turns of the chip coil inductor, the more the inductance will increase and the resistance will increase.


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