LQM21PN3R3MG0D

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Fixed inductors are electrical components that are designed to store electrical energy. They\'re often used in motor systems, RF (radio frequency) circuits, power supplies, and other applications such as driving loudspeaker crossovers. As the name suggests, fixed inductors have a fixed number of turns and can be used in both an AC and DC circuit.

The LQM21PN3R3MG0D is a surface mount, spiral wound, chip inductor developed by M/A-COM Technology Solutions. It\'s designed to provide high current capability and superior inductance stability. The LQM21PN3R3MG0D is an excellent choice for applications such as DC-DC converters, power management solutions, television and display equipment, and other power electronic circuit designs.

The LQM21PN3R3MG0D is made up of a 12mm × 6mm ceramic base and a spiral wound coil. The coil is wound with 18 turns of gold wire and has a shield layer of silver-plated copper. The inductance value of this part is 3.3μH and the rated DC current is 15A. The footprint of this part is designed to be as small as possible to save space in the application.

The working principle of a fixed inductor is based on Faraday\'s law of induction. When a voltage is applied across the inductor, a magnetic field is generated which induces an electromotive force (EMF) in the coil. The strength of this EMF is proportional to the rate of change of the current through the coil. When there is no current, the EMF is zero and there is no additional energy stored in the coil. But when a current is applied to the coil, the energy is stored in the form of a magnetic field and the inductance of the coil increases. When the current is removed, the magnetic field fades away and the stored energy is released.

The LQM21PN3R3MG0D fixed inductor can be used in a variety of applications, including power supplies, DC-DC converters, RF (radio frequency) circuits, power management solutions, television and display equipment, and other power electronic circuit designs. It is designed to respond quickly to changes in current and can handle up to 15A of DC current. This part is ideal for applications that require high inductance stability, low power consumption, and a small footprint.

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