PM428S-8R2-RC

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Fixed Inductors

Fixed Inductors, or commonly referred to as inductors, are essential components in many electronic circuits. They are devices which oppose the flow of AC current by providing inductance and are used for a range of applications, from noise filtering to voltage regulation.

One of the components that falls within this category is the PM428S-8R2-RC. This is a fixed inductor which has a high self-resistance and low internal temperature rise. As its name suggests, it is most commonly used in applications which require up to 8A DC current (such as voltage regulation).

Application Field

The PM428S-8R2-RC is most commonly used in applications which require higher temperature tolerances than its basic function, such as in current transformers. It has an operating temperature range of -40°C~105°C, making it ideal for applications such as:

• Power Supplies
• Industrial Controls
• Switch Mode Power Supplies
• High-Frequency Circuits
• Telecommunications / Networks
• DC/DC Convertors
• Induction Motors

Working Principle

The working principle of the PM428S-8R2-RC is based around its ability to provide both inductance and a high self-resistance. The inductor works by creating a magnetic field proportional to the current passing through its coil, also known as self-inductance. This magnetic field stores energy in the form of a magnetic field and opposes the flow of any changing current by creating a back-EMF.

At the same time, the inductor has a high self-resistance which is created due to the materials used in its construction. This causes the magnetic field to convert a significant amount of energy from the changing current and dissipate it as heat, resulting in a high internal temperature rise.

Conclusion

The PM428S-8R2-RC is a fixed inductor which is most commonly used in applications which require up to 8A DC current, such as voltage regulation. Its working principle is based around its ability to provide both inductance and a high self-resistance, which together allow it to efficiently regulate the current and dissipate energy as heat.

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