BNX028-01L Filters

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EMI/RFI filters, or electromagnetic interference (EMI) and radio frequency interference (RFI) filters, are an important component of any network system to insure reliable signal transmission. They are typically LC or RC networks, meaning networks which rely on inductors (L) and capacitors (C) as their main components. The BNX028-01L is a type of EMI/RFI filter specifically designed for application in a wide variety of consumer and industrial applications. This article will discuss the application field of BNX028-01L, and its working principle.

Application Field
The BNX028-01L is a board-to-board, surface-mount EMI/RFI filter designed for a wide range of frequencies. This type of filter is commonly used in both consumer and industrial applications, as its small size and high performance make it ideal for a variety of systems. The BNX028-01L is commonly used in electrical panels, high frequency PCBs, digital displays, electromagnetic interference sensitive consumer devices, office automation systems, automotive electronics, medical systems, and other applications where EMI/RFI signals may interfere with electrical signals. It is also well-suited for use in devices requiring high levels of signal integrity, such as satellite communications, among other applications.

Working Principle
The BNX028-01L is a typical LC/RC network allow high-frequency signals to pass, while blocking or dampening low frequency signals. Specifically, it uses inductors and capacitors to form an LC filter. The inductors act as high-pass filters to block low frequency signals, while the capacitors act as low-pass filters to ensure high frequency signals can pass. The inductors and capacitors are arranged in a series/parallel configuration to achieve a desired frequency response. The filter also includes a resistor to fill in the "neck" formed by the LC components, allowing it to significantly attenuate high-frequency noise to eliminate any electrical interference.

In addition, the filter is also designed to take into account the physical properties of the components, such as the width and height of the inductors and capacitors. This ensures that the filter has a reliable frequency response, while also providing an attractive form factor. The filter is also designed to maximize performance while keeping the EMI/RFI noise levels as low as possible. This ensures that there is no interference with other electrical components or devices connected to the system.

The BNX028-01L is an excellent choice for any application where EMI/RFI filtering is required. Its small size, high performance, and reliable frequency response make it a great choice for any device or system that needs effective EMI/RFI filtering. There are a variety of different types of EMI/RFI filters available, but the BNX028-01L is the preferred choice for many applications due to its efficiency, small size, and reliable performance.

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