EXC-X4CH120X Filters

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Common Mode Chokes are devices used to suppress or attenuate common mode noise in a power or signal part of an electronic circuit, allowing only a desired differential signal to pass on to other stages while blocking the undesired common noise. The EXC-X4CH120X is an example of a general purpose differential-mode Common Mode Choke that provides good common-mode noise suppression while allowing a differential-mode signal to pass on.

The EXC-X4CH120X Common Mode Choke is a cost-effective, high-performance ferrite-based wide common mode choke designed for high-frequency applications. It is suitable for EMI/EMC applications, where it provides excellent differential-mode and common-mode noise suppression, with an insertion loss of less than 1dB. Its broad differential-mode impedance combined with its balanced inductive configuration provide excellent performance for noise suppression in DC to well-beyond 10 GHz frequency ranges.

The EXC-X4CH120X Common Mode Choke is a wide bandwidth ferrite-based choke designed to suppress differential-mode and common-mode noise of a broad frequency range. It offers excellent choke response with a wide differential-mode impedance up to 10 GHz, while maintaining very low insertion loss and high common-mode attenuation. Its balanced inductive properties and outstanding common-mode noise suppression also make it ideal for EMI/EMC applications.

The EXC-X4CH120X Common Mode Choke is based on a closed magnetic loop core structure, where two ferrite cores, each with its respective set of windings, form the two arms of the loop. Its large differential-mode impedance is realized by the combination of these two independent ferrite cores, and the counterclockwise winding of the two windings. This structure allows for an improved differential-mode performance at higher frequencies.

The EXC-X4CH120X Common Mode Choke also has a wide common-mode impedance. This is achieved through the small inner magnetic loop formed by the two windings, which magnetically couples and effectively compensates for the large outer loop formed by the ferrite cores. The two arms of the loop are balanced, and their symmetric winding significantly reduces the influence of the current direction on the common-mode choke. This results in excellent common-mode noise suppression.

The EXC-X4CH120X Common Mode Choke is a versatile and easy to use device, and it has a variety of applications. It can be used in a variety of electrical circuits for filtering and noise suppression. For example, it can be used in power line applications, where it can be used to suppress the line noise created by switching power supplies. It can also be used in communication systems, where it can be used to reduce the noise generated by external sources or other devices. In general, it can be used in any circuit or system containing both differential-mode and common-mode noise.

In summary, the EXC-X4CH120X Common Mode Choke provides excellent differential-mode and common-mode noise suppression. Its wide differential-mode impedance combined with its balanced inductive configuration enable it to provide good performance for noise filtering in DC to 10 GHz frequency ranges. It has a variety of possible applications, and its versatile design makes it easy to use. With its wide differential-mode impedance and excellent common-mode noise suppression, the EXC-X4CH120X Common Mode Choke can provide good noise filtering solutions in a variety of electronic circuits.

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