KNH10C104DA20TS Filters

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EMI/RFI Filters (LC, RC Networks) are used in a variety of applications, but the most common usage is the protection of electrical and electronic components from interference from electromagnetic and radio frequency signals. The application field and working principle of the KNH10C104DA20TS EMI/RFI Filter are discussed below.

Application

The KNH10C104DA20TS EMI/RFI filter is a type of low-pass filter used in applications such as telecommunications and medical equipment, as well as consumer electronics like televisions and sound systems. This type of filter can be used to reduce the effects of power line noise, radio interference, and other kinds of interference caused by electromagnetic or radio frequency signals. The KNH10C104DA20TS filter is particularly useful for filtering out the emanating signals from electric motors, such as in ceiling fans, as well as from personal computers, televisions, and other particular electronic components.

Working Principle

The working principle of the filter is relatively simple. The filter is designed to allow signals in the frequency range appropriate for the application of the filter to pass through it, while blocking out signals outside of that frequency range. In the case of the KNH10C104DA20TS, the filter is designed to pass frequency signals between 10 Hz and 1 MHz, thereby reducing the interference caused by unwanted signals outside of this range. In order for the filter to work properly, it must be connected appropriately, with the correct polarity of the connections.

The filter includes an inductor, a capacitor, and a resistor connected in series. This particular series-connected LC filter is capable of providing the element with some very specific frequency characteristics, including the frequency range that the filter is designed to pass, and how it behaves in regards to signal levels. The filter works by allowing only the frequencies that are in the desired pass band to pass through the filter, while rejecting any signal outside of this range. Additionally, the filter can also be tuned to provide additional attenuation of signal levels at different frequencies in the pass band, thus providing more control over the signal levels for the system.

The KNH10C104DA20TS is an excellent choice for many applications, as it provides a low-cost solution that balances good performance with reasonable size. Its simple working principle, combined with its low cost and small footprint, make it a favorite among engineers and designers. With its wide pass band and good attenuation characteristics, it provides a great solution for EMI/RFI filtering needs.

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