DLW21HN900HQ2L

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Common mode chokes (CMCs) are a type of electronic component used to reduce the level of electromagnetic interference generated by electrical equipment by providing a path of low impedance to electromagnetic signals. The DLW21HN900HQ2L is a specific type of CMC that is used in a variety of applications. This article will explore the application field and working principle of the DLW21HN900HQ2L CMC.

Application Field

The DLW21HN900HQ2L CMC has a variety of applications where it is used in a wide range of commercial and industrial products. It can be found in medical equipment, industrial controls, power systems, automotive applications, computers and electronics, and instrumentation systems. It is also used in communications systems, RF amplifiers, and CATV systems.

Common mode chokes are also used in many military applications due to their high performance and low cost. The DLW21HN900HQ2L CMC is used in airborne, ground-based, and naval systems. It has been tested to MIL-STD-461E and can operate in extreme environmental conditions such as high temperatures, extreme humidity, and exposure to shock and vibration.

Working Principle

Common mode chokes work by providing a low impedance path to electromagnetic signals in order to reduce interference from these signals. The DLW21HN900HQ2L CMC has a high common mode impedance that is designed to keep the signal within the cable from radiating out and coming into contact with other devices. It also has a high differential mode impedance, which is designed to reduce the amount of common mode currents that move in the cable.

The DLW21HN900HQ2L CMC also has an impedance balance that reduces the effects of external magnetic fields by reducing the galvanic noise. This helps to eliminate interference from other electronic devices or external networks. Furthermore, this device has a self-resonant frequency that helps to filter out higher frequency noise. It also has a large inductance that helps to reduce ground loops.

Conclusion

The DLW21HN900HQ2L CMC is a type of common mode choke that can be used in a variety of applications including medical equipment, industrial controls, power systems, and communications. This device has a high common mode impedance and a high differential mode impedance which helps to reduce electromagnetic interference. Furthermore, its impedance balance, self-resonant frequency, and large inductance help to reduce ground loops and filter out higher frequency noise. Therefore, it is an effective and cost-effective solution for reducing unwanted electromagnetic interference.

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