Introducing 10 types of commonly used inductors and their functions

An inductor, also known as a coil or inductor, is an electronic component capable of storing and releasing electrical energy. It consists of a coil of conductors that creates a magnetic field when the current through the coil of conductors changes. There are many different types of inductors depending on their purpose and application scenarios. The following describes 10 common types of inductors and their functions.

• Iron Core Inductors: Iron core inductors are inductors consisting of an iron core and a coil. Its main role is to increase the inductance of the inductor, thereby improving the efficiency and performance of the inductor. Iron core inductors are usually used in power supply filtering, transformers, IRFB3607PBF inductive sensors and other fields.

• Hollow Core Inductor: A hollow core inductor is a kind of hollow coil without an iron core. Its main function is to generate a strong magnetic field for inducing current or storing electrical energy. Hollow inductors are usually used in electronic devices such as energy storage inductors, inductive sensors, and so on.

• Multilayer Inductors: Multilayer inductors are inductors with multiple coils stacked on top of each other. Its main function is to increase the inductance value and reduce the size. Multilayer inductors are usually used in high-frequency circuits, filter circuits and so on.

• Transformer: A transformer is a special type of inductor used to convert AC voltage into different voltages. It consists of a main coil and one or more secondary coils, which are inductively coupled to realize the conversion of voltage. Transformers are widely used in power systems, electronic equipment and other fields.

• High frequency inductor: High frequency inductors are suitable for high frequency circuits, mainly used for filtering, matching and other functions. High-frequency inductors usually use hollow coil structure to reduce the inductor loss and resistance.

• RF inductors: RF inductors are a kind of inductors specialized for RF circuits, suitable for frequencies in the range of tens of kilohertz to several gigahertz. It has a high quality factor and small resistance, used for RF filtering, matching and other applications.

• power supply filter inductor: power supply filter inductor is used to filter out high frequency noise and interference in the power supply to ensure the stability and purity of the power supply. It usually uses an iron core coil structure, can effectively filter out the high frequency noise in the power supply.

• inductive sensors: inductive sensors are able to measure current, voltage, magnetic field and other physical quantities of the inductor. It measures changes in physical quantities by sensing the changing magnetic field in the coil. Inductive sensors are widely used in automation control, power system monitoring and other fields.

• inductive coupler: inductive coupler is a kind of inductor that can couple two circuits together. It realizes energy transfer and signal transmission between two circuits through inductive coupling. Inductive coupler is usually used for wireless charging, wireless communications and other applications.

• inductive position sensor: inductive position sensor is a sensor that can measure the position and displacement of the object. It measures the position of an object by sensing changes in the magnetic field around the object. Inductive position sensors are widely used in machinery manufacturing, automotive industry and other fields.

In conclusion, inductors are an important electronic component with many different types of applications. Different types of inductors play important roles in different fields and applications, such as filtering, sensing, energy conversion, etc. Familiarity and understanding of different types of inductors is very important for electronic engineers and circuit designers.

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