NFA21SL287V1A48L

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EMI/RFI filters are used to prevent high-frequency electromagnetic interference from affecting sensitive equipment. NFA21SL287V1A48L is one type of filter used to suppress EMI/RFI. This article will introduce the application field and working principle of NFA21SL287V1A48L.

Application Field of NFA21SL287V1A48L

NFA21SL287V1A48L is a type of line filter. Line filters are typically used to reduce conducted electromagnetic interference produced by electronic equipment, such as computers and other kinds of equipment, from entering into the electrical power wiring system. This type of filter is designed for two different kinds of applications: industrial (such as communication, automation, aerospace) and commercial (such as entertainment, business office).

NFA21SL287V1A48L is also suitable for a wide range of circuit load. Its power tolerance is from 2 W to 6 W, voltage range is from 2 V to 20 V, and current range is from 4 mA to 20 mA. It is also designed to withstand harsh working conditions including high temperature, high vibration and corrosive environments.

Working Principle of NFA21SL287V1A48L

NFA21SL287V1A48L features excellent performance in suppressing EMI interference. The filter uses a combination of inductance, capacitance, and resistance to reduce and attenuate the electromagnetic interference. The filter is designed with two inductors in parallel, providing higher inductance and blocking high frequency noise. The inductors are connected with capacitors, which act as low-pass filters to reduce an interference frequency that is over the set cutoff frequency and attenuating the EMI/RFI. The filter also uses capacitors to provide additional decoupling, reducing the current in the circuit. The use of resistors helps to provide an optimum control of voltage, current, and impedance in the circuit.

NFA21SL287V1A48L is also designed with a metal housing for physical protection, and it is also compliant with all safety standards. With its efficient, reliable, and cost-effective design, it is well suited for a variety of applications.

Conclusion

NFA21SL287V1A48L is a type of EMI/RFI filter designed for industrial and commercial applications. The filter uses a combination of inductance, capacitance, and resistance to reduce and attenuate the electromagnetic interference. NFA21SL287V1A48L features excellent performance in suppressing EMI interference and providing protection from harsh working conditions. With its efficient, reliable, and cost-effective design, it is well suited for a variety of applications.

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