DLW44SM401SK2L

Common Mode Chokes Overview

The DLW44SM401SK2L is a surface-mount common mode choke manufactured by Murata Electronics. It provides dual-line filtering with an impedance of 400 Ohms at 100 MHz and supports a maximum continuous current of 2.1A. The component features a low DC resistance (DCR) of 42 mOhm, ensuring minimal signal loss in power line applications. Designed for compact electronic systems, it effectively suppresses electromagnetic interference while maintaining high current handling capabilities in a small form factor.

Common Mode Chokes Feature Summary

• Dual-line common mode filtering capability
• High current rating of 2.1A
• Low DC resistance for efficient power transmission
• Surface mount design for automated assembly

Common Mode Chokes Applications

• Power line filtering in portable electronics
• EMI suppression in USB interfaces
• Signal integrity enhancement in data lines

Common Mode Chokes Procurement Notes

Verify the complete part number including suffix SK2L to ensure correct packaging and specifications. Confirm RoHS3 compliance status if required by your manufacturing standards. Check datasheet for operating temperature range and mounting recommendations to ensure compatibility with your PCB design and thermal management strategy.

Common Mode Chokes Selection Notes

Select this component when dual-line filtering is required for signals carrying up to 2.1A. The 400 Ohm impedance at 100 MHz makes it suitable for high-frequency noise suppression. Ensure the SMD package fits within your board space constraints and that the current rating exceeds your application's peak requirements.

Common Mode Chokes Part Context

This component belongs to Murata's DLW series of chip common mode chokes. These components are designed for use in digital circuits where EMI suppression is critical. The DLW44SM401SK2L specifically targets applications requiring robust filtering in a compact surface-mount package, balancing performance with physical size constraints.

Common Mode Chokes Replacement Considerations

Consult Murata's official substitution guide or equivalent manufacturer datasheets for compatible alternatives. Verify impedance characteristics, current ratings, and physical dimensions before replacing to ensure circuit performance remains unaffected.