EH20-0.5-02-18M

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Common Mode Chokes

Common mode chokes are an important component found in many electrical systems that are designed to prevent EMI interference or noise, pollutants, or other sources of high-frequency radio interference that could affect the system. The EH20-0.5-02-18M is a common mode choke widely used in many applications thanks to its ability to filter out unwanted interference while still providing excellent performance over a wide range of frequencies.

Application Field and Working Principle

The EH20-0.5-02-18M is a common mode choke used for power conditioning of DC and AC power lines, as well as protection against EMI interference from radio and television sets. The EH20-0.5-02-18M works by being a two-stage inductor containing two windings which are placed in close proximity. This creates an inductive element which works to suppress certain frequencies of electromagnetic interference. The two windings are arranged so that they oppose each other creating a cage-like structure and forming a spiral effect. This spiral is then able to act as a filter to reduce the level of noise entering the system.

Common mode chokes are used in a variety of applications, including telecommunications, industrial control systems, automotive electronics, and consumer electronics. In telecommunications, they can be used to suppress the transmission of unwanted radio and television transmissions from entering the network. In industrial control systems, they can be used to reduce high-frequency noise from motors, switches, and other sources, as well as to eliminate interference from EMI. In automotive electronics, they can be used to reduce the level of noise entering the system, improving the security and reliability of the system, as well as improving performance.

Common mode chokes are also used in consumer electronics such as computers, tablets, and mobile phones. For instance, they can be used to reduce the amount of radio and television transmissions entering the system, improving the performance of the device and ensuring it runs smoothly. Additionally, common mode chokes can be used to reduce the level of electrical and magnetic fields (EMFs) entering the device, allowing it to remain safe for use.

In conclusion, the EH20-0.5-02-18M is a common mode choke widely used in a variety of applications to reduce the level of EMI interference and noise entering the system. These components are essential in ensuring electrical systems function correctly and do not experience interference, while also providing improved performance and safety when used in consumer electronics.

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