ER1025-18KP

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Fixed inductors are components of an electrical circuit used to detect and filter signals. The most common among them is the ER1025-18KP, which is used in applications such as mobile phones, audio amplifiers, power supplies, and switch mode power converters. This type of inductor is a two-sided component, with two copper coils that are tapped around a ferrite core. It offers a wide range of ratings, and is designed to provide high performance and reliability in intermittent operations.

The main properties of the ER1025-18KP are its high inductance and its low DC resistance. Inductance is the measure of the tendency for a coil of wire to resist changes in current, measured in Henrys (H). The lower the DC resistance of an inductor, the lower the frequency at which it will pass electrical energy. The ER1025-18KP has an inductance range of between 5uH and 10uH, and a DC resistance of 8mΩ-25mΩ, making it suitable for use in high frequency applications.

The ER1025-18KP is commonly used in high-efficiency DC/DC converters. These are used in applications such as mobile phones, as the ER1025-18KP can provide high performance and reliability whilst operating at high frequencies. As mobile phones contain numerous components, the ER1025-18KP is also used as a filtering inductor as it is designed to filter out high frequency interference whilst allowing only the desired signals to pass through.

The main working principle of the ER1025-18KP is based on the fact that when a current flows through a coil of wire, a magnetic field is created. When an alternating current is applied to the coil, the alternating magnetic field induces an opposite magnetic field in the ferrite core, which creates a voltage in the coil. This in turn produces a current, resulting in the inductor acting as an electrical filter. The inductance of the ER1025-18KP can be adjusted by varying the number of turns on the coil of wire.

The ER1025-18KP is an extremely versatile adjustable inductor, and it offers a wide range of applications. It is usually found in audio amplifiers, power supplies, and switch mode power converters. It can be used as a filter, to suppress electrical interference, and it can also be used to generate a high-frequency signal. It provides a high performance and reliability with its adjustable inductance and low DC resistance.

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