HF2018R-102Y2R0-01

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Common Mode Chokes are used to block high frequency signals from transferring along a differential conductive path. A common mode choke – of the type HF2018R-102Y2R0-01 – reduces this coupling by inducing an impedance to high frequency signals. This type of choke can be used to filter or suppress high frequency noise or interference signals in a wide array of applications.

The inductive design consists of two thin layers of conductor, but in this case, the two sides only share one winding. This design creates a natural filter for the high frequency signal. The choke works by preventing the current from switching the ends of the two windings and adding the two anti-parallel currents together, thus reducing the amount of high frequency noise passing along the differential conductive paths.

HF2018R-102Y2R0-01 common mode chokes have the advantage of being compact in size while providing excellent attenuation. They can be used in a wide variety of applications such as power line filtration, data line protection, audio filtration, and RFID reader/writer interference mitigation. With a high impedance across the differential current paths and a low impedance to the common current path, such chokes can suppresses the differential noise, as well as block common-mode noise and control leakage current and differential noise. Moreover, the low parasitic capacitance of the winding coils keeps the dynamic resistance high to further reduce the high frequency coupling.

In power line filtration, HF2018R-102Y2R0-01 common mode chokes are effective in preventing power line disturbances from affecting the performance of any connected devices. Data line protection is another field of application. Common mode chokes are used to reduce the possibility of data losses by suppressing high-frequency signals in any data line, such as Ethernet, RS-232, and USB lines. In audio filtration, these chokes are widely used in devices like entertainment systems, musical instruments and amplifiers to reduce the level of ground loop noise and suppress hum or buzz.

RFID reader/writer interference mitigation is yet another application of the HF2018R-102Y2R0-01. Common mode chokes are effective in eliminating any chances of modulation interference from a reader to a writer. They are also able to reduce the outside interference signals which might interrupt the operation of the RFID system.

These are just a few applications of HF2018R-102Y2R0-01 common mode chokes. In summary, common mode chokes are used to block high frequency signals from transferring along a differential conductive path, and they are used in a wide variety of applications. They are able to reduce the amount of high frequency noise passing along the differential conductive paths and thus improve system performance. They are compact, have a low parasitic capacitance, and can be used to reduce the level of ground loop noise and suppress hum or buzz in audio devices.

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