LQW18AN73NJ80D

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Fixed inductors are electrical components used in electric circuits to store energy in the form of magnetic fields. They have a wide application area, ranging from mobile devices to industrial electronic controllers. The LQW18AN73NJ80D is an example of a fixed inductor which is used in a variety of electrical circuits. In this article, we\'ll look at its application field and working principle.

The LQW18AN73NJ80D fixed inductor is a high-performance component that is used for a range of applications. It is often used in applications where high Q factors and wide capacitance ranges are required. Examples include switched mode power supplies, DC-DC converters, EMC filters, line matching, and high-precision high-frequency circuits. It is also used in board level signal conditioning circuits, such as high-frequency base-band filters used in GSM cellular phones.

The LQW18AN73NJ80D operates in a relatively wide temperature range of -55°C to 150°C. It is made from an iron-based material, and is RoHS compliant. The device has a 5.5mm height and 5.3mm diameter. It is rated at 2.2uH inductance and can withstand up to 5A of current. The device also boasts a low DC resistance of 0.26 Ohms.

The working principle behind the LQW18AN73NJ80D fixed inductor is that of electromagnetic induction. When an alternating current flows through it, a circulating magnetic field is created whose strength depends on the magnitude of the current and the number of turns in the inductor. This magnetic field then produces a voltage in the direction that opposes the change in the current, which is known as ‘back EMF’ or ‘self-induced EMF’. This back EMF acts as a secondary voltage source and thus increases the input impedance of the inductor.

Moreover, the back EMF also acts as a damping mechanism, preventing the inductor from ringing or oscillating due to high-frequency currents. This damping effect can be used to create filters and delay lines that are used in a variety of applications. Additionally, the presence of the back EMF also helps to reduce the power loss due to winding resistance.

In summary, the LQW18AN73NJ80D fixed inductor is a high-performance device which is used for a range of applications. It is characterized by robustness, low DC resistance, and wide temperature range. The working principle behind the device is electromagnetic induction, where a back EMF is created which acts as a secondary voltage source as well as a damping mechanism. All these features make it perfect for use in electric circuits.

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