ET2432-024

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Common mode chokes, also known as common mode filters, are electronic components used to clip and reduce undesirable electromagnetic interference in low voltage circuitry, as well as providing essential step-down power conversion functionality. The ET2432-024 is one such product, produced by Panasonic, and used in a wide variety of applications, across a wide range of fields.

Overview

The ET2432-024 is a highly efficient common mode choke, offering significant reduction in interference, as well as high current capability, and precise control over the amount of current passing through it. It is designed for use with a variety of high frequency and low voltage devices, such as routers, cell phones, and other sensitive electronics. The ET2432-024 is available in a wide range of sizes, from 0.25mm to 4mm in diameter, and the exact solution can be chosen to fit the exact power requirements and device configurations of the application.

Application Field

The ET2432-024 is applicable to many different types of applications, found in industries ranging from automation, consumer electronics, medical, and automotive. The typical application field includes that of power-line and signal-line circuits, such as those found in routers and devices, as well as many communications and audio-video tools. It is also used in motor drives, such as those found in robots.

Working Principle

The ET2432-024 works by filtering out and clipping undesirable and interfering signals, from both common and differential-mode sources. The operation of the filter involves two distinct elements: the main body, and the shield. The main body of the filter consists of an inductor, along with capacitors and resistor components, which are connected to an interference signal generator in order to determine the maximum attenuation rate of interference. This rate is then adjusted based on the power drawn by the device connected, and the amount of shielding provided by the shield.

The shield normally comprises of a copper jacket, which is placed around the filter. This copper conducts electromagnetic interference away from the main body, and helps to reduce the amount of signals entering the attached device. The ET2432-024 also contains a resistor, connected in series with the main body, which is designed to prevent spikes in the output voltage, and to reduce any inductive noise generated.

Conclusion

In conclusion, the ET2432-024 is a highly efficient common mode choke, suitable for a wide range of applications. It filters out and clips undesirable and interfering signals, from both common and differential-mode sources, allowing the connected device to function at its full capacity. The main body contains components designed to adjust the maximum attenuation rate of interference, and the shield is designed to reduce the amount of signals entering the attached device. Overall, the ET2432-024 is a reliable and effective solution for many different applications.

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