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How Different Types of Inductors Used in The Electronic Components

October 10 , 2020

How Different Types of Inductors Used in The Electronic Industry


In electronic component products, inductors play a pivotal and very important role in maintaining the normal operation of electronic equipment. Inductors are now widely used in high-power electrical appliances, spike blockers, RF devices, signal shielding and other equipment. The following are the common types of inductors and their typical usage:


common mode inductor manufacturer


Coupled Inductors

The magnetic circuit of the coupled inductor is shared and affects each other. Coupled inductors are commonly used in transformers, especially for feedback mechanisms for voltage rise and fall or isolation. Transformers are included.


Winding Core Inductors

Winding Core Inductors is characterized by having one or two winding cores. The number of windings is proportional to the increase in inductance and capacitance. It should be noted that there is an effective trade-off between high inductance and maximum operating frequency.


Power Inductors

Power inductors usually have a variety of power and size. The current carried by these inductors ranges from a few amperes to tens of hundreds of amperes. Because power Inductors can withstand a large amount of current, they can generate a strong magnetic field. At the same time, in order to prevent these magnetic fields from causing unnecessary noise, it is necessary to use corresponding shielding measures. SAT Amorphous has rich experience in shielding measures. Through the factory's own aluminum parts processing plant, it can effectively solve the noise problem while providing high performance nanocrystalline power Inductors.


RF Inductors

RF (Radio Frequency) inductors usually operate in high frequency environments. This type of inductor usually has high resistance and low current rating. Due to the operating frequency of the inductor, it is important to reduce multiple loss sources, so most RF inductors use a hollow structure. The reason why ferrite is not used is that its loss will increase during use. Therefore, the nanocrystalline material made by SAT Amorphous has a great advantage over ferrite, which can effectively reduce the loss and increase permeability.


Chokes

Chokes can block high frequency pulses while letting low frequency pulses through. There are usually two categories:

Nanocrystalline core power supply and audio chokes. SAT Amorphous has relatively mature experience in choke manufacturing and is a supplier to international groups such as ABB and SMA (SAT Global Strategy Partners)

RF choke using iron powder core.


Different Types of Inductor Cores

Because the core material directly affects the following three aspects:

1. Inductance value,

2. Maximum operating frequency,

3. Current capacity.

Therefore, the performance of the inductor usually depends on the core material.

Air Core- High operating frequency, low inductance.

Iron Core- Low resistance, high inductance. Core loss, eddy current, magnetic saturation and hysteresis will limit performance.

Ferrite Core- Magnetic saturation limits the current capacity.

Nanocrystalline Winding Core- SAT Amorphous Toroidal core or c cut core, can provide high inductance, high permeability, low magnetic loss.



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