744235900

Overview

The Würth Elektronik 744235900 is a surface-mount common mode line filter from the WE-CNSW series. It features an inductance of 300 nH and a maximum DC resistance of 50 mΩ. The component supports a DC current rating of 2 A and operates within a temperature range of -40°C to +125°C. Constructed with a ferrite core, it utilizes an 1812 package outline with four terminals for SMD mounting. The device holds AEC-Q200 automotive qualification.

Feature Summary

• Common mode noise suppression for differential signal lines
• Ferrite core construction for high-frequency attenuation
• Automotive grade reliability certification

Applications

• High-speed data interface protection
• Automotive electronic circuit filtering
• EMI suppression in compact PCB layouts

Procurement Notes

Verify the specific datasheet revision to confirm exact electrical tolerances and pinout configurations before integration. Ensure the selected component matches the required 1812 footprint dimensions and terminal plating specifications for your assembly process.

Selection Notes

Select this component when space-constrained designs require effective common mode filtering at high frequencies. The 1812 package offers a balance between performance and board area efficiency compared to larger through-hole alternatives.

Part Context

This part belongs to the WE-CNSW series of surface mount common mode chokes. The series is designed for applications requiring robust noise immunity in small form factors, particularly within automotive and industrial electronics sectors where reliability under thermal stress is critical.

Replacement Considerations

Consult official Wurth Elektronik documentation for verified cross-reference part numbers. Do not substitute with generic components without validating impedance characteristics and physical footprint compatibility.