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What should we pay attention to during the use of inductors?

    1. Occasions where inductors are used
Attention should be paid to humidity and dryness, the ambient temperature, high or low frequency environment, whether the inductance is inductive or impedance characteristics.
    2. Frequency characteristics of inductance
At low frequencies, inductors generally show inductance characteristics, which only store energy and filter high frequency characteristics. However, at high frequencies, its impedance characteristics are very obvious. There are some phenomena, such as energy dissipation and heat, and the perceptual effect is reduced. Different inductors have different high frequency characteristics.
The following is an explanation of the inductance of ferrite materials: Ferrite materials are iron-magnesium alloy or iron-nickel alloy, this material has a high permeability, he can be the inductor between the coil winding in the case of high frequency and high resistance to produce the smallest capacitance. Ferrite materials are usually used at high frequencies, because at low frequencies their main inductance characteristics make the loss on the line very small. At high frequencies, they are mainly reactance characteristic ratios and change with frequency. In practical applications, ferrite materials are used as high frequency attenuators for radio frequency circuits. In fact, ferrite is better equivalent to the parallel of resistance and inductance, the resistance is short-circuited by the inductor at low frequency, and the inductor impedance becomes quite high at high frequency, so that the current all passes through the resistance. Ferrite is an consuming device on which high-frequency energy is converted into heat energy, which is determined by its electrical resistance characteristics.
     3. The maximum current to be borne by the inductor design and the corresponding heating condition.
     4. When using the magnetic ring, check the above magnetic ring part to find the corresponding l value and the use range of the corresponding material.
     5. Pay attention to the wire (enameled wire, yarn wrap or bare wire), commonly used enameled wire. To find the most suitable warp.
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