KNF32050-W3

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EMI/RFI filters (or LC, RC networks) are electronic devices that attenuate high-frequency noise from the power supply line of a system or product. The KNF32050-W3 EMI/RFI filter is a noise suppression filter with a wide bandwidth and excellent attenuation performance, designed to reduce noise generated by power supplies and other electronic systems.

The KNF32050-W3 EMI/RFI filter is a compact, cost-effective, and high-performance solution for suppressing EMI/RFI interference. It is especially suitable for power supplies with a wide dynamic range, such as server systems, communication equipment, consumer electronics, industrial controls, and other electrical systems. The filter is also suitable for medical and military applications. More specifically, it is designed to reduce differential-mode noise (common-mode noise) by isolating the power supply line from the chassis ground, and to reduce high-frequency noise by filtering out noise generated by components.

The KNF32050-W3 EMI/RFI filter is a multi-layer, multi-stage filter with an internal impedance of 3.6Ω, and an external impedance of 28Ω. It is composed of a series inductor, a capacitor, a series resistor and a capacitor in parallel, as well as a series of ferrite beads.

The filter\'s series inductor is designed to reduce differential-mode noise by blocking high-frequency noise from entering the system or product. The capacitor in series is designed to further reduce any remaining differential-mode noise, while also blocking higher frequency noise. The series resistor is used to maintain a constant impedance, ensuring consistent performance over a wide frequency band. The capacitor in parallel is used to reduce common-mode noise from entering the system or product, and to reduce overall noise in high-frequency applications. Lastly, the ferrite beads suppress EMI emissions, while still allowing the signals to pass through.

In addition to its excellent EMI/RFI suppression performance, the KNF32050-W3 also provides excellent thermal performance. The filter can withstand up to 85°C temperatures without deformation or loss of performance, even under the high voltages found in some power supplies.

The KNF32050-W3 EMI/RFI filter is an excellent solution for reducing EMI/RFI interference, and for providing the necessary thermal performance to ensure reliable operation in a wide range of environments. With its wide bandwidth and excellent attenuation performance, it is an ideal choice for a variety of applications, including server systems, communication equipment, consumer electronics, industrial controls, and medical and military applications.

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