744844470

Overview

The Würth Elektronik 744844470 is a WE-ExB series common mode choke designed for power line applications. It features an inductance of 47 µH at 10 kHz and supports a maximum DC current of 15 A. The component has a maximum DC resistance of 4.6 mΩ. It utilizes a through-hole mounting style with dimensions of 28 mm length, 18.5 mm width, and 33 mm height. The operating temperature range spans from -40 °C to +125 °C.

Feature Summary

• Provides high suppression of asymmetric interferences for power lines
• Designed for compact power line filtering applications
• Utilizes a robust through-hole construction for secure mounting

Applications

• Power line filtering in industrial equipment
• Electromagnetic interference suppression in AC/DC converters
• Common mode noise reduction in power supply inputs

Procurement Notes

Verify the specific datasheet version for the 744844470 part number to confirm mechanical drawings and electrical tolerances. Ensure the procurement documentation explicitly references the WE-ExB series specifications. Cross-reference the 4.6 mΩ DCR and 15 A current rating against the official manufacturer data sheet prior to ordering to guarantee compliance with design requirements.

Selection Notes

Select this component when a through-hole solution is required for high-current power line filtering. The 47 µH inductance value is suitable for standard power line frequencies. Consider the 33 mm height dimension during PCB layout planning to ensure adequate clearance. Verify that the 15 A current rating meets the peak load requirements of the target circuit application.

Part Context

This component belongs to the Würth Elektronik WE-ExB series of common mode chokes. These components are engineered specifically for power line applications where high current handling and effective noise suppression are critical. The series offers various inductance values and current ratings to accommodate different power system designs.

Replacement Considerations

Consult the official Würth Elektronik datasheet for confirmed substitute part numbers within the WE-ExB family. Ensure any replacement maintains the 47 µH inductance, 15 A current rating, and through-hole package compatibility.