744290472

Overview

The Würth Elektronik 744290472 is a WE-UCF series surface-mount common mode choke designed for signal line filtering. It features two lines with an inductance of 4.7 mH measured at 10 kHz and a maximum DC current rating of 750 mA. The component has a maximum DC resistance of 520 milliohms and operates within a temperature range of -40°C to +125°C. Its physical dimensions are 14.50 mm in length, 12.50 mm in width, and 7.80 mm in height.

Feature Summary

• Provides common mode noise suppression for differential signal lines
• Utilizes sectional winding architecture for compact surface-mount integration
• Constructed with ferrite core material for effective high-frequency attenuation

Applications

• Signal line filtering in electronic circuits
• Noise suppression in data transmission interfaces
• EMI reduction in portable device power stages

Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the received components match the specified electrical parameters, including the 4.7 mH inductance and 750 mA current rating. Check for physical integrity and correct marking on the package before integration into production assemblies.

Selection Notes

Select this component when designing circuits requiring common mode noise filtration for signals operating up to 750 mA. Ensure the PCB layout accommodates the 14.50 mm x 12.50 mm footprint and 7.80 mm height. Consider the 520 milliohm DC resistance impact on signal integrity and thermal performance during continuous operation within the specified temperature range.

Part Context

This component belongs to the WE-UCF family of universal chokes from Würth Elektronik. These devices are engineered for surface-mount technology applications where space constraints and efficient noise filtering are critical requirements. The series offers standardized dimensions to facilitate design-in processes across various consumer and industrial electronics platforms.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-reference key parameters such as inductance, current rating, and physical dimensions when evaluating potential substitute components to maintain circuit performance and mechanical compatibility.