744273102

Overview

The Würth Elektronik 744273102 is a surface mount common mode line filter from the WE-SL5 HC series. It features an inductance of 11 µH with a tolerance of ±25%. The component supports a maximum DC current rating of 2.5 A and has a maximum DC resistance of 0.03 Ω. Designed for operation between -40°C and +125°C, it utilizes a ferrite core and sectional winding structure. The device measures 8.3 mm in width and is suitable for reflow soldering profiles.

Feature Summary

• Utilizes sectional winding technology to achieve low profile dimensions while maintaining high performance.
• Constructed with a ferrite core to effectively suppress common mode noise in electronic circuits.
• Engineered for compatibility with standard reflow soldering processes during surface mount assembly.

Applications

• Common mode noise suppression in data transmission lines
• EMI filtering for high-speed digital interfaces
• Signal integrity enhancement in compact electronic modules

Procurement Notes

Verify the specific part number suffix against official Wurth Elektronik documentation to confirm exact electrical characteristics. Ensure that the procurement source provides valid RoHS and REACH compliance certificates. Cross-reference the manufacturer's datasheet for accurate handling and storage requirements prior to integration into manufacturing workflows.

Selection Notes

Select this component when a low-profile surface mount solution is required for common mode noise reduction. The 2.5 A current rating and 11 µH inductance make it suitable for applications demanding efficient EMI suppression within constrained physical spaces. Consider the operational temperature range and DC resistance specifications to ensure compatibility with the target circuit design.

Part Context

This component belongs to the WE-SL5 HC series, which focuses on high-current capabilities and compact form factors. The series is designed for modern electronics requiring reliable signal filtering without increasing board footprint. The sectional winding architecture distinguishes these filters by offering improved thermal performance and mechanical stability compared to traditional winding methods.

Replacement Considerations

Consult the official Wurth Elektronik replacement guide or equivalent distributor databases for verified substitute part numbers. Ensure any alternative component matches the 11 µH inductance, 2.5 A current rating, and compatible package dimensions to maintain circuit performance and assembly compatibility.