LQH43MN391J03L

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Fixed Inductors

The LQH43MN391J03L is a series of fixed inductors with an inductance value range of 0.22uH-470uH. These components have a wide range of application fields, such as power supply, high voltage, SMPS, or DC/DC converter design, and are a popular choice for filters and snubber circuits. This series of fixed inductors is made of ferrite cores and offer 0.13A to 2.2A rated current with a low DC resistance and high peak current capability.

The LQH43MN391J03L is a common inductor used in a wide variety of applications. Its primary usage is as power inductors with their primary purpose being to store energy in a magnetic field. This stored energy can then be used in power supply regulation or DC/DC conversion. It is also often used in voltage or current sensing circuits and as filters or snubber components to protect sensitive components from high-voltage or high-frequency transients.

Fixed inductors typically operate similarly to other inductor types, as they use a coil of wire of varying inductance to store energy in a magnetic field when an electrical current is applied. As the current scales up and down, the magnetic field will also fluctuate, allowing the inductor to act as a tank circuit to store and release energy as required. When the current changes direction, this causes the magnetic field to quickly dissipate, resulting in a spike of voltage known as counter EMF, which can then be used in different applications.

Fixed inductors come in a variety of shapes and sizes, however most inductors are constructed with a core of ferrite material and wound with the wire forming the inductor coil. This type of construction results in lower core losses than inductors with an air core, making them more suitable for higher current applications and more stable in their inductance value.The LQH43MN391J03L in particular have a rated current of 0.13A-2.2A and an inductance value range of 0.22uH-470uH, which allows them to provide better efficiency during various power supply and DC/DC conversion operations. These components also have a low DC resistance and high peak current capability, making them suitable for higher frequency applications.

Overall, the LQH43MN391J03L series of fixed inductors is an ideal choice for many power supply and DC/DC conversion applications, providing high efficiency and stability when used in filters, snubber circuits and voltage/current sensing circuits. With their wide range of application fields, these components have become a popular and reliable choice for today\'s designers.

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