PM20-R22M

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Fixed inductors are electronic components with a set inductance that is used to produce a magnetic field in circuits. They can be used in AC as well as DC circuits and offer a range of voltage and current ratings. The PM20-R22M is an SMD inductor that is commonly used in filtering applications.

The PM20-R22M is a high-efficiency SMD inductor that is typically used to reduce noise in audio and communications systems. The core is made from ferrite material, which offers excellent permeability and high power handling capability. It is rated for a maximum current of 3.3A and features a DC resistance of 4.5 ohms. The inductance of the inductor is 22uH.

The inductor’s application field extends to both AC and DC low- and medium-power circuits. Due to its unique design, the inductor can be used in many different types of circuits. This includes audio filters, RF filters, impedance matching, and more. It’s also popularly used in switching power supplies for its efficiency.

The PM20-R22M also provides users with excellent current regulation and stable performance, allowing for easy circuit implementation. Its ferrite core enables it to be used in a wide variety of applications, including those with high frequency and high power. In addition, its efficiency is improved by its low DC resistance.

The working principle of the PM20-R22M is the same as most SMD inductors. An electric current flows through the inductor, which creates a magnetic field. This field, in turn, creates an opposing field which generates a back-EMF. This back-EMF opposes the current and thus limits the amount of current that can pass through the inductor. The higher the currents, the stronger the back-EMF, and the lower the amount of current that can be passed through the inductor.

In summary, the PM20-R22M is an SMD inductor that is commonly used in filtering applications. It has an inductance of 22uH and a DC resistance of 4.5 ohms. It provides excellent current regulation and stable performance for easy circuit implementation. Its ferrite core enables it to be used in a wide variety of applications, including high frequency and high power. The working principle of the PM20-R22M is the same as most SMD inductors, which involves the generation of a back-EMF to limit the amount of current that can pass through the inductor.

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