FN251-8-07

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Power line filter modules are designed to ensure the reliable operation of electronic devices by reducing electrical noise in the power line. The FN251-8-07 is a power line filter module designed to provide optimal protection against multi-pulse interference in an 8-stage EMC filter, and also meets the requirements of UL94V-0 flame retardant standards.

The module is made up of a filter, input capacitors, output inductors and resistor components. The filter is made up of an EMC filter, which consists of series and output LC circuits for harmonics reduction, and a central core made up of an interwoven metal substructure to provide excellent damping of common-mode disturbances. The input capacitors allow transient currents to be passed through the filter at very high frequencies, while the output inductors smoothen magnetic flux variations. The resistor component acts as a stabilizer, maintaining the stability of the filter over time.

The FN251-8-07 also features a ‘step-down’ transformer, which helps to reduce voltage levels for high frequency applications. With a power rating of up to 5 W and an operating temperature range from -10°C to +85°C, this module is highly suited for use in applications with high switching noise. Through its combination of the EMC filter and step-down transformer, this module is an excellent choice for providing noise suppression.

The FN251-8-07 works by connecting the powerline input to the module’s internal circuitry. The input voltage is then filtered through the EMC filter, reducing the electrical noise on the power line. This helps to ensure the reliable operation of electrically sensitive equipment. This filter is capable of providing multi-pulse protection, meaning it can handle multiple transient pulses before resetting.

The power line filter module also utilizes the ‘step-down’ transformer to reduce the voltage levels before they reach the components, helping to reduce the noise on the power line further. This ensures that the voltage levels remain within acceptable limits, ensuring the reliable operation of the device. At the same time, the output inductors and resistor components further reduce the noise on the power line, providing even greater protection against transients.

Overall, the FN251-8-07 is an excellent power line filter module for providing reliable noise suppression in high frequency applications. Its combination of the EMC filter, step-down transformer, and output inductors and resistor components make it an ideal choice for providing reliable noise suppression, ensuring the reliable operation of electrically sensitive equipment.

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