PM428S-181-RC

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Fixed Inductors

Inductors, also known as coils or reactors, are electrical components that store energy in a magnetic field and are used in a number of different electrical applications. They are typically designed to have a constant inductance value across a specified range of frequency, temperature, and voltage. A fixed inductor is an inductor with a fixed inductance value. An example of a fixed inductor is the PM428S-181-RC.

PM428S-181-RC Application Field and Working Principle

The PM428S-181-RC is a fixed inductor that is designed for use in high-frequency switching and other high-speed digital applications. It can also be used in low-frequency and high-amplitude switching applications such as pulse-width modulation. The inductor has a low DCR and good E term for high-efficiency power transfer. It features a molded construction for better thermal performance and better mechanical stability.

The working principle of the PM428S-181-RC is based on the principles of Faraday’s Law of Electromagnetic Induction. When a current passes through a conductor, it generates an opposing electromotive force (EMF). This EMF is equal to the rate of change of the magnetic flux which is linked to the conductor. The PM428S-181-RC therefore takes advantage of this to generate an opposing EMF when current is passed through its windings, which opposes the current and thus allows for the storing of energy in a magnetic field.

The PM428S-181-RC also has a high self-resonant frequency, which is the frequency at which the inductance of the device is equal to its capacitance. This is beneficial in that it allows for a high level of switching accuracy when used in digital applications such as power converters. It also ensures that any unwanted higher order harmonic frequencies are attenuated, which helps reduce EMI radiation.

The PM428S-181-RC is also designed with low-radiated emissions and is compliant with the EU RoHS standard. This means that it is safe for use in high-frequency and digital applications, as it does not cause any interference with other electronics around it. Additionally, it is RoHS compliant, meaning that it has been subjected to rigorous testing to ensure that it meets the current RoHS requirements for materials and processes used in the manufacturing of electrical and electronic equipment.

In conclusion, the PM428S-181-RC fixed inductor is designed for use in high-frequency and digital applications. It has a low DCR, good E term, and high self-resonant frequency, thus offering excellent power transfer efficiency and switching accuracy. It also features low-radiated emissions and RoHS compliance, making it safe for use in these applications. The PM428S-181-RC is an ideal choice for applications where efficiency and reliability are of utmost importance.

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