SSM1-402Z-05B

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EMI/RFI Filters are a form of electrical filter that is primarily used for now to block and/or reduce electromagnetic interference (EMI) and radio frequency interference (RFI) from electronic components, systems, and signals. This article will discuss the SSM1-402Z-05B EMI/RFI Filter and its application field and working principle.

Application Field

The SSM1-402Z-05B is a small, open-style, wideband EMI/RFI filter designed for miniature applications that require low insertion loss with high isolation between ports. This filter is suitable for use in a variety of applications such as cellular base stations, wireless local area networks (WLAN), Industrial Control Systems, Indoor Equipment, Industrial Robotics, and RF medical equipment.

Working Principle

The SSM1-402Z-05B has an EMI/RFI filter composed of multiple layers of inductors, capacitors, and resisters. These components interact to block out or reduce EMI/RFI interference, depending on the specific circuitry. The filter works by creating an impedance mismatch so that the EMI/RFI currents are blocked or attenuated when they pass through the filter.

The filter is designed for low insertion loss and high isolation between ports which allows it to effectively reduce EMI/RFI interference from entering into the digital electronics, as well as prevent any EMI/RFI from being produced by the digital electronics. This helps eliminate the possibility of digital radio frequency interference (RFI) which can cause noise, interferences, and signal degradation.

In addition to its EMI/RFI filter, the SSM1-402Z-05B also features an integrated power line filter that is designed to ensure the system is compliant with the radiocommunication equipment standard EN 55032.

Conclusion

The SSM1-402Z-05B EMI/RFI Filter is a small, open-style, wideband filter designed for miniature applications with a low insertion loss and high isolation between ports. It is suitable for a variety of applications such as cellular base stations, WLAN, Industrial Control Systems, Indoor Equipment, Industrial Robotics, and RF medical equipment. The filter works by creating an impedance mismatch so that EMI/RFI currents are blocked or attenuated. The integrated power line filter ensures compliance with the radiocommunication equipment standard EN 55032.

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