ER1025-84KP

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Fixed inductors are devices made of magnetic material and are used in a variety of electrical circuits. The most common type of fixed inductor is the ER1025-84KP, which is used for applications related to switching and linear power supplies. By understanding the application field and working principle of this type of inductor, one can better utilize it in any project.

Application Field

The ER1025-84KP fixed inductors are mainly used in low frequency switch Mode Power Supply (SMPS) circuits. Due to their low cost, small size, and high saturation flux, they are suitable for use in various DC-DC converters, high frequency lighting ballasts, and audio amplifiers. They can also be used in voltage regulation and battery chargers, as well as for Frequency Shift Key (FSK) modulation and demodulation.

Working Principle

A fixed inductor works by converting electrical energy into a magnetic field. This energy conversion is based on Faraday\'s law of induction, where a changing magnetic field passing through a coil of wire induces an electric current. This effect is known as inductance. In ER1025-84KP fixed inductors, the core is made of iron and the wire is wound in a tighter manner, resulting in a higher level of inductance. This high level of inductance allows it to be used for applications that require a greater range of frequencies and amplitudes.

The ER1025-84KP fixed inductors have an impressive operating range of 100-500 Hz and has a rated current of 1.39A. It also features an inductance of 84.5µH with a tolerance of 10%, making it suitable for applications requiring high power. This inductor also features a low-distortion frequency response and low ripple current thanks to its copper wire conductor and iron core.

Benefits of Fixed Inductors

Fixed inductors provide various benefits, making it a highly valuable component. In addition to their low cost, they are also highly durable, since their windings are not sensitive to temperature and vibration. As a result, they last longer than conventional inductors. Another advantage that they offer is their low ESR, which is a measure of the power consumption of the inductor. This makes them suitable for use in applications, such as power conversion, where energy efficiency is crucial.

In addition, fixed inductors are able to maintain their high current capacity even at higher temperatures. This makes them suitable for use in circuits where heat management is a must. The small size of these inductors enables them to be integrated into circuit boards easily. Furthermore, these inductors have a high power density, which makes them ideal for applications that require a lot of power.

Conclusion

The ER1025-84KP fixed inductors are an ideal choice for low frequency SMPS circuits. They are capable of converting electrical energy into a magnetic field, thanks to Faraday\'s law. This makes them suitable for high frequency lighting ballasts, audio amplifiers, and voltage regulation systems. They are also highly durable, have a low ESR, and feature a high power density. These advantages make them the perfect choice for those who want to use an affordable and reliable component in their projects.

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