FN258-75-34

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FN258-75-34 power line filter modules are a great choice for anyone who needs an effective method of filtering out any interference from the current line. Featuring a combination of high-frequency bypass and an optimized LC filter core, it can provide excellent power protection and noise suppression for all types of electrical equipment.

The FN258-75-34 power line filter module features a power line filter with an inductance of 75µH that has a impedance of 265 Ohm at 25MHz. Combined with another f–f bypass capacitor, the inductance forms part of a two-stage low–pass filter that provides a high-frequency cut–off point in the order of 250kHz. Additionally, the capacitor has a impedance of 8 Ohms at 25MHz, making it suitable for use as a low-frequency bypass.

The working principle of the FN258-75-34 power line filter module relies on the physical construction of its components. The two-stage filter consists of an inductor and a capacitor, or a series of such, that help to form a LC circuit. This LC circuit is essentially an oscillator circuit that is tuned to a specific frequency and works by gradually decreasing the output voltage as the frequency of the signal increases.

The combination of the inductor and the capacitor offer high frequency bypass, but also provide optimized LC filtering that provides protection against harmonics. Additionally, the module allows for an intermediate resistance value that provides improved effectiveness in suppressing harmonics. This resistance value is susceptible to component aging, however, so it is recommended to replace the filter module after a certain amount of time.

The FN258-75-34 power line filter module is a great choice for anyone who needs a reliable and effective solution for filtering out any interference from the current line. With its two-stage low–pass filter, it can effectively protect against power interference and supply a clean and stable power line. Additionally, its optimized LC filter core can also provide excellent noise suppression, making it suitable for a variety of applications.

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