PSM1-821M-10T2

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EMI/RFI filters, like LC and RC networks, are specialty electrical components used to suppress interference, both conducted and radiated. PSM1-821M-10T2, specifically, is a series of components designed to provide seamless protection against interference while still maintaining a stable power transfer. By targeting both conducted and radiated interference, this type of filter provides both EMI and RFI protection, reducing the risk of losses due to electronic interference.

Applications Fields

The PSM1-821M-10T2 series offers complete coverage against EMI/RFI interference specifically in electronic power supply systems, robotics, and automation applications. These EMI/RFI components provide protection from interference generated by switching power supply, DC/DC converters, and other noise sources. Being designed for high reliability, the PSM1-821M-10T2 is also ideal for use in hostile environments where extreme temperatures, pollutants, shocks, and vibration are common.

Other common applications of the PSM1-821M-10T2 include automotive electronics, power supplies, telecommunications, metering, and even household appliances. In automobiles, these EMI/RFI filters provide protection from interference generated by the engine, alternator, alternator belt, and other surrounding components such as wiring and sensors. They can also be used in telecommunications and metering systems to protect data transfer and reduce ground loops.

Working Principle

At the core of PSM1-821M-10T2 is an inductive-capacitive (LC) or resistive-capacitive (RC) network. Such circuit topology is very effective in suppressing power line interference and other types of noise. The components of the filter are chosen by the engineer to best reduce the interference while maintaining the desired signal integrity.

LC networks are designed and constructed using various guide inductors and capacitors that create an impedance against the incoming interference. This allows the desired signal to pass while the unwanted interference is filtered out. The RC network follows the same principle, but uses resistor and capacitor components to create an RC network that effectively filters out the interference.

The filter can also use a combination of both LC and RC networks to create a hybrid filter. Such hybrid filters offer more flexibility for suppressing specific types of interference, but they are more expensive compared to regular LC or RC filters.

Conclusion

PSM1-821M-10T2 series of EMI/RFI filters provide complete protection for a wide range of applications where sensitive electronics are present. Their core technology is based on LC and RC networks, both of which are very efficient in blocking interference while allowing the desired signals to pass. The hybrid filter option can further tailor the solution to a specific environment, allowing for the best possible protection.

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