EMI9404MUTAG Filters

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EMI/RFI filters, also known as LC, RC networks, are used to reduce unwanted electromagnetic interference or radio frequency interference (RFI) in electronic systems and to protect sensitive devices from electromagnetic damage. The EMI9404MUTAG filter is a compact, high-performance EMI/RFI filter designed to provide efficient suppression of interference. It is an ultra-low capacitance surface mount device comprising of four identical independent EMI/RFI filter elements.

The EMI9404MUTAG is designed for a wide range of commercial and industrial application fields, such as energy management, industrial control applications, automotive, military and aerospace, telecom and consumer equipment. It is particularly well-suited to applications that require suppression of interference, such as remote batteries, hybrid electric vehicles, and wireless modules.

The EMI9404MUTAG filter is an effective EMI/RFI filter because it combines a high attenuation with small size and low capacitance. The device is made up of four independent filter elements which are designed to suppress both narrowband and broadband interference over a wide frequency range. The filter elements have a symmetrical response with a high-immunity towards external interference.

The working principle of the EMI9404MUTAG filter is based on the principle of frequency dependent electrical impedance. The filter elements are made of series inductors and parallel capacitive elements, with the inductance and capacitance values adjusted to form impedance that is frequency dependent. This frequency-dependent impedance is adjusted to maximize the attenuation at the particular interference frequency.

The filter elements are designed to form a low-pass filter, with the cut-off frequency determined by the impedance of the filter elements. The cut-off frequency controls the upper limit of the frequency range within which the filter will attenuate the interference. The cut-off frequency also determines the insertion loss of the filter, which is the difference between the input signal level and the output signal level. The insertion loss of the filter is typically a few decibels.

The EMI9404MUTAG filter is a highly effective EMI/RFI filter that provides effective suppression of interference over a wide frequency range. It is particularly well-suited to applications that require robust filtering over a wide range of frequencies. It is an economical solution for applications that require high levels of EMI/RFI attenuation in a small package and with low insertion loss. The filter is also suited to applications where space is limited due to its small size.

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