4202-051LF

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EMI/RFI Filters (LC, RC Networks) are used to reduce electromagnetic interference in electronic devices. They protect delicate circuitry by blocking or reducing the amount of voltage or current that can pass through a cable, connection, or interface. In this article, we will explain the application field and working principle of the 4202-051LF EMI/RFI Filter.

The 4202-051LF EMI/RFI Filter is an integrated two-line filter and is designed to reduce common mode EMI. It is rated for up to 20A at rated voltage and has an operating temperature range of -55degC to 85degC. It is available in either an internally mounted type or an aperture type. The 4202-051LF EMI/RFI Filter is commonly used in a variety of applications, such as automotive, computers, and home entertainment systems.

The working principle of the 4202-051LF EMI/RFI Filter is very simple. The filter consists of two inductor/capacitor networks connected in series, one for common mode filtering and the other for differential mode filtering. The common mode network consists of two inductors and one capacitor connected in series. This arrangement reduces common mode EMI. The differential mode network is composed of two series inductors and two shunt capacitors. This arrangement filters out the high frequency differential mode signals thereby reducing differential mode EMI.

The 4202-051LF EMI/RFI Filter is a compact and cost-effective solution for reducing EMI in a variety of applications. It is also highly reliable and offers excellent attenuation performance. It is suitable for use in high-speed digital systems, as well as in signal and telephone applications. It is designed according to general EMI/RFI requirements and is fully compliant with the EN61000-3-2 electromagnetic compatibility standard. It is also compliant with Directive 2014/30/EU (Electromagnetic Compatibility) and 2015/863/EU (RoHS).

In conclusion, the 4202-051LF EMI/RFI Filter is a reliable and cost-effective option for reducing EMI in a range of applications. It is designed to offer excellent attenuation performance and is compliant with a variety of standards. It is a compact solution for reducing EMI and is suitable for use in both high-speed digital systems and signal/telephone applications.

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