DLW44SM172SK2L

Common Mode Chokes Overview

The DLW44SM172SK2L is a two-line common mode choke manufactured by Murata Electronics, designed for surface mount applications. It features an impedance of 1.7 kOhms at 100 MHz and supports a maximum rated current of 1.5A. The component has a maximum DC resistance (DCR) of 84 milliohms and operates within a temperature range of -40°C to 105°C. It utilizes a horizontal package with four PCB terminals and measures 4.00mm x 4.00mm in size with a maximum height of 1.50mm.

Common Mode Chokes Feature Summary

• Provides effective common mode noise suppression for dual-line circuits through high impedance characteristics at 100 MHz.
• Utilizes a compact horizontal surface mount footprint suitable for space-constrained printed circuit board layouts.
• Engineered for stable operation across a wide industrial temperature range from -40°C to 105°C.

Common Mode Chokes Applications

• Power line filtering in electronic equipment
• EMI suppression in signal transmission lines
• Noise reduction in automotive electronics

Common Mode Chokes Procurement Notes

Verify the specific suffix 'M' against the original design specification, as it denotes a distinct variant within the DLW44SN series. Confirm RoHS3 compliance status and check for any discontinuation notices or supply restrictions directly with Murata Electronics prior to finalizing procurement plans.

Common Mode Chokes Selection Notes

Select this component when a 1.7 kOhm impedance at 100 MHz is required for two-line configurations. Ensure the 1.5A current rating meets the circuit's operational demands and that the 4.00mm x 4.00mm package dimensions fit the available PCB real estate constraints.

Common Mode Chokes Part Context

This part belongs to the DLW44 series of wirewound common mode chokes. It shares dimensional similarities with other variants like the DLW44SN172SK2L but differs in specific internal construction or tolerance parameters indicated by the middle character in the part number sequence.

Common Mode Chokes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Murata Electronics for direct equivalents or updated series replacements if this specific model is discontinued.

Common Mode Chokes FAQ

What is the impedance value of the DLW44SM172SK2L?

The impedance is 1.7 kOhms measured at a frequency of 100 MHz.

Does this component support high-temperature environments?

Yes, it is rated for operation in temperatures ranging from -40°C up to 105°C.