DLW21SN261SQ2L

Common Mode Chokes Overview

The DLW21SN261SQ2L is a surface-mount common mode filter manufactured by Murata Electronics. It operates within the DLW21S series and utilizes a wirewound construction. The component features a 0805 (2012 metric) package with dimensions of 2mm length, 1.2mm width, and 1.2mm height. Key electrical specifications include an impedance of 260 Ohms at 100 MHz, a maximum DC current rating of 300 mA, and a maximum DC resistance of 350 mOhms. It supports a voltage rating of 50V and functions across a temperature range from -40°C to +85°C.

Common Mode Chokes Feature Summary

• Wirewound structure for effective noise suppression
• Compact 0805 surface-mount footprint
• Molded design for mechanical stability

Common Mode Chokes Applications

• High-speed data line filtering
• USB interface noise reduction
• HDMI signal integrity protection

Common Mode Chokes Procurement Notes

Verify the specific suffix SQ2L against official Murata documentation to confirm packaging and tape-and-reel specifications. Ensure the selected variant matches the required impedance tolerance and current ratings for the target circuit. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and availability status before finalizing procurement orders.

Common Mode Chokes Selection Notes

Select this component when a 0805 footprint is required for common mode noise attenuation in high-speed digital interfaces. The 260 Ohm impedance value targets specific frequency ranges for EMI suppression. Verify that the 300 mA current rating exceeds the operational peak current of the protected lines to prevent saturation or excessive heating during normal operation.

Common Mode Chokes Part Context

This component belongs to the Murata EMIFIL DLW21S series of chip common mode chokes. These devices are designed for suppressing electromagnetic interference in compact electronic assemblies. The series offers various impedance values and current ratings to suit different signal line requirements while maintaining a small profile suitable for dense PCB layouts.

Common Mode Chokes Replacement Considerations

Consult Murata's official substitution guide for equivalent parts within the DLW21 series. Verify that any alternative maintains identical impedance, current handling, and physical dimensions to ensure compatibility with existing board designs.