ELC-18E181L

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Fixed inductors have many applications in various electrical applications. They help control currents in electronic circuits by storing energy in a magnetic field. The most common fixed inductors used in circuit boards are known as ELC-18E181L.

The ELC-18E181L is an axial leaded, coated, insulated wirewound electrical inductor made of ferrite cores and other components. The inductance range is 1.8 mH to 18 mH, with a tolerance of ±20%. The core is filled with non-inductive wound coils which allow the inductor to maintain a high level of stability over a wide temperature range. The rated voltage is 7.2V, and the construction is rated for an operating temperature of -40° to 85°C.

ELC-18E181L is typically used in power supplies, filters, pulse and high switching circuits, energy storage, and radio frequency applications such as amplifiers and detectors. The inductor helps to smooth out voltage ripples and can be used to limit current in circuits. It is also capable of storing energy in its magnetic field between the two coils.

The working principle of the ELC-18E181L is fairly simple. A core material is formed into an inductor shape and then a conductive winding is placed around the core. When a current is passed through the winding, a magnetic field is created that stores energy. As the current often fluctuates, this stored energy helps to maintain a smooth flow of current and reduce noise in the system.

The inductor also serves to reduce the total effective resistance in the circuit, which lowers the voltage drop across the windings. This property also helps the inductors keep the load current at the desired level. Therefore, the inductor helps to keep the current constant over a wide range of applications such as power supplies, filters, and detectors.

ELC-18E181L is capable of handling high frequencies, and the core material helps limit the rate of energy that dissipates. The inductor also helps to reduce unwanted interference caused by high frequencies entering the system, such as signal noise and crosstalk. The inductor also helps suppress voltage spikes in the circuit, helping to maintain the quality of the signal.

Overall, the ELC-18E181L is an ideal component for a wide variety of applications. It can help maintain a stable current and reduce noise and interference while handling high frequencies. In addition, its construction helps to ensure a long and reliable service life.

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