NBC-16-472

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Power Line Filter Modules are important devices used to control unwanted electrical noise on line power lines. They are often used in industrial, and commercial applications. NBC-16-472 is one such module that is used in a variety of applications.

The NBC-16-472 gives a high level of EMC filter performance in a compact package. It is designed to reduce EMI emissions from power lines caused by the transportation of digital and analog data signals. It offers a wide range of EMI filtering options from single-phase to four-phase power lines.

The module features wide range of filter inductance values, allowing the designer to select the optimum filtering characteristics dependent on the application. An integrated snubber circuit can be configured to improve EMI filtering performance in the presence of high frequency voltage transients. The module also has a fully shielded construction, which provides greater protection against unwanted external noise.

In terms of working principle, the NBC-16-472 employs a passive filter topology that is largely based on the classical mid-band filter theory. This topology consists of an inductor, or inductors, that act as the main filter element and capacitors that act as bypass elements, allowing low frequency signals to bypass the inductors. Additionally, a series of “shunts” are added to the filter to de-couple the filter from the external power source and prevent high frequency signals from bypassing the main filter elements.

Furthermore, a special snubber circuit is also integrated into the NBC-16-472, which consists of a special RC circuit that is designed to absorb transients from the power lines before they can reach the sensitive circuitry on the board. The snubber circuit can also be configured to improve EMI filtering performance in the presence of high frequency voltage transients.

In summary, the NBC-16-472 is an excellent example of a power line filter module, offering effective EMC filtering in a variety of applications. Its wide range of filter inductance values, integrated snubber circuit, and shielded construction gives it the necessary edge over other similar filter modules.

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