DKIP-0329-1501

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Common Mode Chokes, also called Line Filters, are electrical devices that provide an impenetrable barrier against external electromagnetic interference (EMI). These devices are commonly used in the production of electronics, from integrated circuits and digital logic to communications systems and power grids.

DKIP-0329-1501 is a common mode choke with an optimized built-in high EMC attenuation specified for class B EMC immunity. It has a robust shielding to prevent signal leakage and interference, as well as to ensure high reliability and optimal performance when used in critical applications. This common mode filter is capable of attenuating common mode interference up to 20 dB.

The application field of DKIP-0329-1501 covers most of the current wiring installations that require common mode chokes, such as automotive, consumer electronics, home appliances, banking systems, payment systems, and medical equipment. It can be used for power line and data lines, lightning strike protection, general common mode noise suppression, and for any application needing suppression of common mode signals. This filter is suitable for low and medium frequency, with the cut-off frequency from high-frequency applications range from 800 MHz to 2 GHz.

The working principle of DKIP-0329-1501 is based on the magnetic field concept. The filter consists of a power line, and two cores, each with a coil wrapped around them. The magnetic fields created by this coil structure interact with external high frequency current and cause three effects. The first effect is that the coil forms a high-pass filter, which blocks high frequency interference. Secondly, the coil creates a high inductance that blocks off most of the low frequency interference. Lastly, the coil structure can absorb high frequency oscillation energy and prevent it from radiating in the surrounding area.

Another type of common mode choke, known as Emission Line Filter, is also available for applications where higher attenuation is required. This filter is designed to filter out signals of 350 MHz to 1.1 GHz and attenuates common mode interference up to 30 dB. Finally, it is also important to note that both types of common mode chokes are designed to provide EMC and EMI protection.

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