DLW21SN900SQ2L

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Common Mode Chokes are a type of filter that are typically used to provide electromagnetic interference (EMI) protection and to reduce electromagnetic radiation (EMR). The DLW21SN900SQ2L is an example of a common mode choke, and this article will discuss the application field and working principle of this choke.

Applications

DLW21SN900SQ2L common mode chokes are typically used in various high frequency applications to block interference and to reduce EMI in electronic systems. These types of chokes are used in power lines for all types of systems including signal and communication systems, personal computers, consumer electronics, and industrial control systems. DLW21SN900SQ2L common mode chokes are also used in automotive applications, such as automotive radiation immunity, DC motor control, and low voltage protection circuits.

Working Principals

DLW21SN900SQ2L common mode chokes work by passing an inductor around a conducting wire. This creates an opposition to the passing of alternating current through the choke. As current passes through the choke, the DLW21SN900SQ2L creates a magnetic field that captures and reduces high frequency electromagnetic interference (EMI). As a result, the choke reduces EMI and improves system performance. The DLW21SN900SQ2L also has the ability to reduce common mode interference which is caused by a current flow in either the same direction or an opposite direction on two or more conductors.

The DLW21SN900SQ2L common mode choke has a wide operating temperature range and is able to handle up to 22 amps at 250 Volts. This high power handling capability makes it ideal for a variety of applications where high power density is required. It also has high voltage resistance, which makes it suitable for power line protection applications.

The DLW21SN900SQ2L also offers excellent signal and impedance consistency across all frequencies used and possesses low self-resonance and low signal distortion characteristics. This makes it ideal for use in applications requiring high signal quality.

Conclusion

DLW21SN900SQ2L common mode chokes are a type of filter used to provide EMI protection and reduce EMR in high frequency applications. They are used in power lines for various systems including signal and communication systems, consumer electronics, and industrial systems. DLW21SN900SQ2L common mode chokes employ an inductor wrapped around a wire to oppose the flow of alternating current and thereby reduce the level of EMI entering the system. It also has the ability to reduce common mode interference. The choke offers excellent signal and impedance consistency, low self-resonance and low distortion characteristics, and a wide operating temperature range.

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