DKIH-3352-204L-NK

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Common Mode Chokes (CMC) are electrical components used to filter out high frequency electromagnetic interference (EMI) that can affect electrical signals. The DKIH-3352-204L-NK is one such CMC device that is capable of providing greater than 40dB of EMI reduction at frequencies ranging from 150kHz-30GHz. It is a highly effective choice for higher power applications that require stringent shielding requirements.

The DKIH-3352-204L-NK operates by using two winding loops with each winding connected across a capacitor. This creates a basic tuned circuit that can be tuned to attenuate frequencies above and below the desired frequency range. The amount of attenuation is determined by the number of turns and the size of the capacitor. The DKIH-3352-204L-NK has two winding loops with 15 turns each, and the capacitor has a value of 220nF, resulting in an attenuation of greater than 40dB in the 150kHz-30GHz range.

The DKIH-3352-204L-NK is mainly designed for high power applications, such as cell phone power amplifiers and other devices that generate a lot of high-frequency noise. It is also capable of filtering high-frequency digital signals, as well as protecting sensitive low-power analog circuitry. The DKIH-3352-204L-NK is a low profile, surface mountable device, which is designed for easy integration into most any system that requires EMI shielding.

The working principle of the DKIH-3352-204L-NK is based on electromagnetic induction. The two winding loops interact with each other to create a magnetic field that is strong enough to create an opposing electric field. This electric field then causes the particles in the EMI to scatter, reducing its effectiveness. The design of the DKIH-3352-204L-NK optimizes the magnetic field and the size and value of the capacitor to attenuate the EMI at the desired frequencies.

The DKIH-3352-204L-NK is a highly effective EMI filter for applications that require stringent shielding requirements, such as applications in the medical and aerospace industries. It is capable of providing greater than 40dB of attenuation at frequencies ranging from 150kHz-30GHz, making it a great choice for applications that require both high performance and ease of integration.

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