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Fixed Inductors

Fixed inductors are electrical components used in electrical engineering and power electronics for energy storage in electric and electronic circuits. The RL187-562J-RC is one of the most commonly used inductors in today’s power applications. This article will explain the application field and working principle of the RL187-562J-RC.

Product Overview

The RL187-562J-RC is a surface mount fixed inductor with an inductance value of 5.62 µH. It provides a high saturation current of 11.4A and a low resistance of 0.30 Ω. The inductor is made of iron-powdered material, which has a high thermal resistance and can withstand temperatures up to+125˚C without any issue. It is available in a small 10x10mm footprint and a height of 6.1 mm.

Application Field

The RL187-562J-RC inductor has a wide range of applications in electrical and power electronics circuits. These include DC/DC converters, power filters, voltage regulators, SMPS and PFC applications. Due to its high saturation current and low resistance, it can effectively reduce the EMI emission in power electronics systems. Additionally, its small size and low profile make it an ideal choice for space-constrained designs.

Working Principle

A fixed inductor works on the principle of electromagnetic induction. It consists of a coil of copper wire that produces a magnetic field when electric current passes through it. This magnetic field induces an electromotive force on the opposite side of the coil, which is equal in magnitude and opposite in direction. Thus, the electric current in the coil is delayed in comparison to its corresponding voltage waveform.

In the RL187-562J-RC, the iron-powdered core helps to increase the magnetic field of the coil and thus, increase the inductance of the component. This helps to increase the time delay of the current waveform and reduce the effects of electromagnetic interference. Additionally, the thermal resistance of the core helps to dissipate heat more efficiently, which improves the overall performance of the inductor.

Conclusion

The RL187-562J-RC is a surface mount fixed inductor with a high saturation current and low resistance. It is commonly used in DC/DC converters, power filters, voltage regulators, SMPS and PFC applications. It works on the principle of electromagnetic induction and its iron-powdered core helps to increase the inductance and decrease the effects of electromagnetic interference.

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