MEM2012SC101 Filters

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Electromagnetic interference (EMI) and radio frequency interference (RFI) are two distinct types of interference that are caused by electromagnetic radiation traveling through various media, such as air or cables. The MEM2012SC101 EMI/RFI filter is designed to protect against these forms of interference, and is used in many different applications. The filter operates on the principle of employing a combination of electrical components, such as inductors (L) and capacitors (C), to form an LC (inductance-capacitance) network.

Working Principle

An LC network acts as both a low-pass and high-pass filter depending on how it is configured. In a low-pass configuration, the system acts to reduce or block the frequencies above a certain cutoff value, while in a high-pass configuration the frequencies below the cutoff value are blocked. The MEM2012SC101 EMI/RFI filter utilizes this principle by combining both low-pass and high-pass filters in series in order to protect against both types of interference. The cutoff frequency and impedance of the filter is determined by the values of the inductors and capacitors used in its construction.

The exact ratio of components in the LC network determines the frequency at which the filter will cutoff. The MEM2012SC101 utilizes a combination of 0.25uH and 0.4uH ferrite core inductors, with a series capacitance of 100pF. This combination provides a cutoff frequency of 7.6MHz and an impedance of 91.2 ohms. The filter can handle an input voltage of up to 50V and is capable of attenuating signals up to 60dB.

Applications

The MEM2012SC101 EMI/RFI filter is used in a wide range of applications. It is often employed in audio and video equipment to reduce noise and interference from other sources, such as home appliances and radio transmitters. It is also used to protect sensitive electronic components in medical equipment, as well as in industrial equipment and automobiles. The filter is also used in communication systems to reduce interference from external sources, and to ensure that the signals remain clear and free of distortions.

The MEM2012SC101 is a popular choice of EMI/RFI filter due to its performance and reliability. It is simple to install and provides superior protection in a wide range of applications. Due to its efficiency, the filter is commonly used in both commercial and industrial applications, and is a trusted choice for anyone looking to reduce electromagnetic interference.

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