LQW18AN72NG80D

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Fixed Inductors

Inductors are two-terminal electrical components that store energy in a magnetic field when electric current flows through them. Fixed inductors are used in a wide range of applications, including low-power power supplies, inrush current limiting, and filtering of radio frequency signals, among others. The LQW18AN72NG80D series of fixed inductors from Murata are ideal for use in low-frequency DC/DC converter circuits.

Application Field

The LQW18AN72NG80D series products are mainly used in applications that require a medium-level current up to 1 A. Examples of common applications including inrush current limiting and power supply filters. These inductors are specifically designed for medium-level DC/DC switch mode current converters, allowing their use for charging batteries and in multi-output converters.

The LQW18AN72NG80D series components are also great for boosting the peak current capability when compared to regular iron-powder inductors. They are especially useful in applications requiring strong current delivery capability and lower number of turns for improved efficiency.

Features like their low profile design, small size, low RDC, and fast current rise time make them ideal for use in densely packed switch-mode power supplies. These inductors can be used in PCMCIA cards, cellular phones, disk drives, and other portable communication products.

Working Principle

The working principle of fixed inductors is based on the concept of magnetic flux generation and currents flowing through the conductor. When an electric current flows through an inductor, it creates a magnetic field, which is then stored in the coil. This stored magnetic field induces an opposing voltage in the inductor, thus providing resistance against the increased current.

The LQW18AN72NG80D series of fixed inductors features Murata’s innovative power inductor technology that takes advantage of the high current density of thin-film plastic-molded chip inductors. This technology makes it possible to reduce the number of turns needed in the inductor, resulting in a smaller component size.

This technology also maximizes the magnetic flux coupling efficiency by using metal top and bottom caps that ensure the energy generated in the magnetic core is confined to the component. The thin-film plastic-molded technology ensures the inductors have low leakage inductance, which improves the energy efficiency of the product.

The LQW18AN72NG80D series of fixed inductors are constructed with a metal top and bottom cap that maximum field efficiency. The top and bottom caps provide excellent magnetic flux concentration as well as improved current dissipation.

The LQW18AN72NG80D series also feature Murata’s power inductor technology which minimizes the generation of EMI (electromagnetic interference) noise, as well as reduce electrical loss. This noise-reducing technology also improves the efficiency of the product.

Conclusion

The LQW18AN72NG80D series of fixed inductors from Murata is ideal for use in low-frequency DC/DC converter circuits. These components are mainly used in applications that require a medium-level current up to 1 A, such as inrush current limiting and power supply filters. Special features like their low profile design, small size, low RDC, and fast current rise time make them ideal for use in densely packed switch-mode power supplies.

The working principle of these inductors is based on the concept of magnetic flux generation and currents flowing through the conductor. Murata’s innovative power inductor technology takes advantage of the high current density of thin-film plastic-molded chip inductors to minimize the generation of EMI noise and improve the product’s efficiency.

Overall, the LQW18AN72NG80D series of fixed inductors are an excellent choice for use in low-frequency DC/DC converter circuits due to their impressive performance and reliable operation.

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