PD43R-822M Inductors, Coils, Chokes

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Fixed inductors are electrical components designed to supply a calm, regulated flow of energy to a variety of circuits. They are an essential component in many circuits and are used in various industries, such as consumer electronics, automotive, and industrial automation. The PD43R-822M is a fixed inductor from the manufacturer Pulse Electronics. This article will provide an overview of the application field and working principle of the PD43R-822M.

The PD43R-822M is a series of fixed inductors designed for high frequency buck converters and DC-DC converters. These inductors have a tightly wound core, constructed from high-temperature enamel coated copper. This ensures low DC losses and high efficiency in applications that feature high-frequency switching. The PD43R-822M also features low levels of electromagnetic interference (EMI).

The PD43R-822M has a wide range of application fields. It is suitable for use in automotive applications, including electronic control units (ECUs). The inductor can also be used in industrial applications such as motor drives, and for consumer electronics such as laptop power bricks and chargers. This series is certified to meet IEC 60384-14:2014 (UL60384-14) standards for insulation and safety.

The operation of the PD43R-822M works on the magnetic theory of Faraday\'s law of induction. When a current passes through the inductor core, a magnetic field is created around it. This field will induce an opposing voltage or current in the inductor, which is known as "back-emf". That back-emf acts to resist the current flow inside the inductor, creating a stabilizing force. The higher the current passing through the inductor, the higher the back-emf. This ability to control the current is essential for high-frequency switching applications, as it prevents the excess current from flowing, thus avoiding circuit damage.

The PD43R-822M can be used for both leaded and leadless applications. The leaded version is designed for easy insertion into through-hole boards and is available in 6- to 10-pin formats. The leadless version features a micro-packaging design, with a footprint of 11.85 mm2. It is ideal for space constrained applications, such as portable electronics.

In summary, the PD43R-822M is a series of inductors designed for use in high-frequency buck converters and DC-DC converters. They feature a tightly wound core, low DC losses, and high EMI performance. The PD43R-822M can be used in a variety of applications, from automotive to consumer electronics, and works through the principle of Faraday’s law of induction. The leaded and leadless versions are available for both through-hole and space-constrained applications.

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