LQM18NNR12K00D

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Fixed inductors are passive components consisting of wire or metal windings, cores, or other structures, which store energy. The LQM18NNR12K00D is a type of fixed inductor that is specifically designed for applications in power supplies, switching circuits, and other power electronic systems. This device is a V-shaped ferrite core with a single winding that is packaged in a 1210 case size. In this article, we’ll take a closer look at the application field and working principle of the LQM18NNR12K00D.

Application Field

The LQM18NNR12K00D is mainly used in switch-mode power supplies, DC-to-DC converters, motor drives, and other power electronic systems. The device’s low resistance, small size, and high inductance make it well-suited for use in applications where high current and high voltages are needed. Additionally, the device is designed to minimize power loss and is capable of withstanding high temperatures up to 200⁰C. The device has a saturation current rating of 18 Amps and an inductance value of 1.2 mH, making it well-suited for power supply applications. Additionally, the device has a very high operating temperature range of -55 to +200°C.

Working Principle

The working principle of the LQM18NNR12K00D is based on Faraday’s law of induction. This law states that when a conductor, such as a wire, is placed in a magnetic field, an electric current is induced in the conductor. In the context of the LQM18NNR12K00D, the device works by generating an alternating current in the coil, which induces a current through the coil when exposed to a changing magnetic field. This induced current is then used in applications such as motor drives, power supplies, and more.

The device consists of an iron core with a single winding of a single conductive wire. The iron core works to increase the magnetic field around the winding by providing a path for the magnetic field lines to return to the windings. This increases the amount of current induced in the coil. Additionally, the iron core has a higher saturation current rating than other materials, which allows the device to handle higher currents without experiencing a drop in inductance. Furthermore, the device has a high operating temperature, which allows it to operate reliably in applications where high temperatures are encountered.

In summary, the LQM18NNR12K00D is a fixed inductor that is designed for applications in power supplies, switching circuits, and other power electronic systems. The device is capable of withstanding high temperatures and can handle high currents without experiencing a drop in inductance. Additionally, the device’s working principle is based on Faraday’s law of induction and its iron core helps to increase the amount of current induced in the coil. As such, the device is well-suited for use in a variety of power electronic applications.

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