744230251

Overview

The Würth Elektronik 744230251 is a surface-mount common mode line filter from the WE-CNSW series. It features two lines with an impedance of 250 Ohms at 100 MHz and a maximum DC resistance of 280 milliohms. The component supports a rated current of 350 mA and operates within a temperature range of -40°C to +125°C. Its compact dimensions are 1.6mm in length, 0.85mm in width, and 1.1mm in height.

Feature Summary

• Provides common mode noise suppression for signal lines
• Designed for surface mount assembly processes
• Complies with AEC-Q200 automotive qualification standards

Applications

• Automotive electronic systems requiring EMI filtering
• High-speed data line protection
• Consumer electronics signal integrity management

Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure authenticity. Confirm that the component meets all required electrical specifications for your design. Check for RoHS compliance status as indicated in the latest datasheet. Ensure storage conditions align with manufacturer guidelines to maintain performance.

Selection Notes

Select this component when space-constrained designs require effective common mode noise reduction. Consider the 350 mA current rating and 250 Ohm impedance at 100 MHz for compatibility with target signal frequencies. Evaluate the small footprint against available PCB real estate constraints.

Part Context

This component belongs to the WE-CNSW series of surface mount common mode chokes. The series is characterized by its compact size and suitability for high-frequency noise suppression applications. It represents a specialized solution for managing electromagnetic interference in dense circuit layouts.

Replacement Considerations

Consult official Wurth Elektronik documentation for verified substitute part numbers. Cross-reference impedance values and physical dimensions before substitution. Ensure any alternative component meets the same AEC-Q200 qualification requirements.