DLW44SN401SK2L

Common Mode Chokes Overview

The DLW44SN401SK2L is a two-line common mode choke manufactured by Murata Electronics, designed for surface mount PCB integration. It operates within a temperature range of -40°C to +105°C and features a compact 4.00mm x 4.00mm footprint with a maximum height of 1.50mm. The component provides an impedance of 400 Ohms at 100 MHz and supports a maximum DC current of 2.1A. Its maximum DC resistance is specified at 42 mOhms, ensuring efficient power transmission while suppressing electromagnetic interference in high-density electronic applications.

Common Mode Chokes Feature Summary

• Provides effective suppression of common mode noise signals in dual-line configurations
• Utilizes a compact surface mount package suitable for space-constrained circuit board layouts
• Maintains stable electrical performance across a wide industrial operating temperature range

Common Mode Chokes Applications

• Power supply line filtering in electronic equipment
• Electromagnetic interference suppression in data communication circuits
• Noise reduction in automotive electronic systems

Common Mode Chokes Procurement Notes

Verify the specific part number against official Murata documentation to ensure compatibility with design requirements. Confirm that the component meets all necessary regulatory standards for the intended application environment. Check for any recent product change notifications or lifecycle status updates from the manufacturer before finalizing procurement decisions.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring robust common mode noise attenuation on dual lines. Ensure the selected choke can handle the expected peak current without saturation. Verify that the physical dimensions fit within the available PCB real estate and that the thermal characteristics align with the system's operational constraints.

Common Mode Chokes Part Context

This component belongs to the DLW44 series of common mode chokes from Murata Electronics. The series is engineered for high-performance EMI suppression in various electronic devices. The DLW44SN401SK2L specifically offers a 400 Ohm impedance profile, distinguishing it from other variants in the lineup that may feature different impedance values or current ratings.

Common Mode Chokes Replacement Considerations

Official substitutes include other DLW44 series components with similar impedance and current ratings. Consult Murata's official substitution guide for verified alternatives. Ensure replacement parts match the original specifications for impedance, current handling, and physical dimensions.