PM75-390K

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Fixed inductors are electrical components that store energy in the form of an electrical field. This is accomplished by winding a wire onto a core material, creating a magnetic field around the wire. This magnetic field induces a current in the wire which then feeds back into the electrical field. If this current is constant, the inductor can store a fixed amount of energy. The PM75-390K is a type of fixed inductor used in a wide variety of applications.

The PM75-390K is an ideal choice for applications requiring reliable, low-cost power delivery. This type of fixed inductor is constructed with a hollow core, usually made from powdered iron or ferrite, and wound with a copper wire insulated in polyester. This combination results in an inductor with an inductance of 39uH and a maximum current rating of 75A. The PM75-390K is also able to operate at temperatures up to 180°C and is highly resistant to vibration, making it an excellent choice for applications in harsh environments or high-power applications. Additionally, the PM75-390K has a very low DC resistance (0.300 mΩ) and good AC performance, making it ideal for switch-mode power supplies.

Aside from providing reliable power delivery, the PM75-390K is also used for a variety of other applications. Its ability to withstand high temperatures and vibration make it a popular choice for ballast and transformer applications, as well as motor control. Additionally, its low DC resistance and good AC performance make it an excellent choice for filter and smoothing applications, radio frequency interference filters, and signal detection circuits. The PM75-390K is also used in LED lighting and pulse-driven electronics, where its ability to store a fixed amount of energy makes it ideal for providing the short pulses of current needed for these applications.

The working principle of the PM75-390K is based on Faraday\'s Law of induction, which states that a changing magnetic field applied to a conductor induces a current to flow in the conductor. When a wire is wound around a core material, the magnetic field created by the core\'s magnetic flux induces a current to flow in the wire, which then feeds back into the electrical field and stores energy. This energy is then released at the same rate as it is drawn as long as the current being drawn is relatively constant. If the current is switched on and off, the inductor will draw current and store energy in bursts. As long as the current is within its rated limits, the PM75-390K will supply power reliably for a variety of applications.

The PM75-390K is a versatile type of fixed inductor designed for a variety of applications requiring reliable power delivery. Its ability to operate at high temperatures and resist vibration makes it a popular choice for ballast and transformer applications, as well as motor control circuits. The combination of its low DC resistance and good AC performance make it ideal for filter and smoothing applications, and its ability to store a fixed amount of energy makes it an ideal choice for LED lighting and pulse-driven applications. Its principle of operation is based on Faraday\'s Law of induction, and it is capable of providing reliable power delivery over a wide range of current levels.

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