DLW5ATH401TQ2L

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Common Mode Chokes are used to suppress unwanted noise and interference in communication systems. The DLW5ATH401TQ2L is an common mode choke that is designed to suppress EMI interference in Ethernet communication systems and other high frequency applications. The DLW5ATH401TQ2L is a high performance, low cost, size-constrained, active common mode choke that offers superior noise performance, making it ideal for applications requiring minimal EMI or static noise.

Application fields

The most common application field of the DLW5ATH401TQ2L is Ethernet communication systems, where it provides superior performance and suppression of static interference. It is also well-suited for applications requiring high frequency common mode noise rejection, such as Gigabit Ethernet, be it in copper or fibre based Ethernet systems. The DLW5ATH401TQ2L also has other applications, such as in Voice over IP (VoIP) lines, radio receivers, and other high frequency communication systems.

Working Principle

Common Mode Chokes utilize the principle of electromagnetic induction to suppress unwanted EMI or static noise. The DLW5ATH401TQ2L utilizes an active design to achieve superior noise suppression. A two-tumble winding arrangement is employed, which affects a significant change in the EMI noise levels, compared to a traditional single coil configuration. The two-tumble winding arrangement creates two separate current paths, meaning that there is an increased effective inductance, allowing the DLW5ATH401TQ2L to suppress noise over a wider bandwidth.

Apart from the increased inductance offered by the two-tumble winding configuration, the DLW5ATH401TQ2L also has an added advantage of increased suppression of third-order intermodulation distortion, as well as providing excellent capacitively loaded common mode noise rejection. This makes it ideal for high speed, high-frequency applications, where common mode EMI or static noise can cause serious problems.

The DLW5ATH401TQ2L also contains a number of other design elements, such as differential mode line chokes, differential mode inductors, and additional capacitors, to ensure maximum noise suppression. The combination of these elements provide excellent levels of EMI suppression over a wide frequency range, ensuring performance over the life of the product.

Conclusion

Common Mode Chokes like the DLW5ATH401TQ2L are essential for high performance, reliable communication systems and other high frequency applications. The DLW5ATH401TQ2L offers excellent noise suppression, with its two-tumble winding configuration offering an increased effective inductance, superior suppression of third-order intermodulation distortion, and excellent capacitively loaded common mode noise rejection over a wide frequency range. This makes it the ideal choice for Ethernet communication systems, VoIP lines, and radio receivers.

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