744224

Overview

The Würth Elektronik 744224 is a surface-mount common mode choke from the WE-SL2 series. It features bifilar winding with an inductance of 250 µH per line and a DC current rating of 1.2 A. The component has a maximum DC resistance of 0.13 Ω and an impedance of 1.8 kΩ. Designed for signal line filtering, it operates within a temperature range of -40°C to +85°C.

Feature Summary

• Bifilar winding configuration for effective common mode noise suppression
• Surface-mount design suitable for automated assembly processes
• Compact form factor optimized for space-constrained PCB layouts

Applications

• Signal line filtering in electronic circuits
• Noise suppression on data transmission lines
• EMI reduction in consumer electronics

Procurement Notes

Verify the specific package dimensions and pinout against the official Wurth Elektronik datasheet before finalizing the PCB footprint. Ensure that the selected component meets the required thermal management standards for the intended operating environment. Confirm compliance with relevant environmental directives such as RoHS if applicable to the target market.

Selection Notes

Select this component when bifilar common mode filtering is required for low-current signal lines. The 1.2 A rating suits applications where moderate current handling is necessary alongside noise attenuation. Consider the 250 µH inductance value for the specific frequency range of interference to be suppressed.

Part Context

This part belongs to the WE-SL2 series of common mode chokes manufactured by Würth Elektronik. The series focuses on providing reliable EMI filtering solutions for surface-mount applications. The 744224 specifically addresses needs for compact, high-performance filtering in modern electronic devices.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.