NFA21SL317V1A45L

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EMI/RFI Filters are an important element in electronic and electrical systems which require an uninterrupted signal quality. The NFA21SL317V1A45L series of filters is one of the most widely used in the world and is suitable for a variety of applications. This article will discuss the application fields and working principles of this filter.

Application Field

The NFA21SL317V1A45L series of filters is an integrated, high-performance EMI/RFI filter for a variety of applications. They are designed for use in Automotive, Industrial, Avionics, Military and Instrumentation applications. The NFA21SL317V1A45L filter fulfills protection requirements even in harsh environments. It can be easily adapted to any system since it is compatible with several standard connectors. They also have high-efficiency metal cores and special dielectrics that provide excellent high-frequency operation performance. The NFA21SL317V1A45L series is available in a variety of configurations for use in different system requirements.

Working Principle

The NFA21SL317V1A45L series of filters is a two-stage filter with a high-frequency, inductive-capacitive (LC) network connected in series with a low-frequency, resistive-capacitive (RC) network. The LC network acts as an electromagnetic interference (EMI) filter. It works by absorbing EMI energy and converting it into heat, thus shielding the system from any electrical noise that could affect its performance. The RC network acts as a radio-frequency interference (RFI) filter. It is designed to reduce the amplitude of signals with frequencies higher than the cut-off frequency of the filter. The two components combine to create a single-stage filter which reduces electrical interference in the entire system.

The NFA21SL317V1A45L filter is designed to operate at temperatures up to 125C, providing exceptional performance even in harsh environments. It also has an extended temperature range of -55C to 125C. The filter is constructed with high-quality components to provide superior EMI/RFI-attenuation performance. All components are insulated for safety and the filter meets DC current requirements up to 10A.

Conclusion

The NFA21SL317V1A45L series of filters is a versatile, high-performance filter solution for a range of applications. It is designed with a combination of LC and RC networks to provide excellent high and low-frequency operation performance. The filter is constructed with high-quality components and is capable of operating in temperatures up to 125C. It is suitable for a variety of Automotive, Industrial, Avionics, Military and Instrumentation applications and meets DC current requirements up to 10A. With its superior performance and reliability, the NFA21SL317V1A45L series of filters provides an excellent solution for protecting electronic systems from EMI and RFI noise.

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