7446121007

Overview

The Würth Elektronik 7446121007 is a current-compensated common mode choke from the WE-LF Type SV series. It features a 6.8 mH inductance and supports a continuous current of 1 A with a maximum DC resistance of 0.3 Ohms. The component utilizes a through-hole design with four soldering pins to ensure perfect mechanical decoupling and low stray fields. This power line choke is engineered for effective electromagnetic interference filtering in applications requiring robust performance.

Feature Summary

• Four soldering pins provide perfect mechanical decoupling
• Low stray field design minimizes electromagnetic interference
• Current-compensated structure ensures stable operation

Applications

• Power line filtering
• Electromagnetic compatibility (EMC) suppression
• Common mode noise reduction in electronic circuits

Procurement Notes

Verify the specific suffix designation against official datasheets to confirm exact electrical tolerances and packaging configurations. Ensure that the selected variant matches the required thermal and current ratings for the target application environment. Cross-reference manufacturer part numbers with distributor catalogs to confirm availability and lead times prior to procurement planning.

Selection Notes

Select this component when high inductance values are required for common mode noise suppression in power lines. The four-pin through-hole construction is suitable for designs prioritizing mechanical stability and vibration resistance. Evaluate the 1 A current rating and 0.3 Ohm resistance against circuit load requirements to ensure optimal efficiency and thermal management.

Part Context

This component belongs to the WE-LF series, which focuses on power line chokes designed for EMC applications. The Type SV designation indicates specific structural characteristics within this family. Würth Elektronik manufactures these components to meet stringent industry standards for reliability and performance in demanding electronic environments.

Replacement Considerations

Consult official substitution guides for equivalent common mode chokes with matching inductance and current ratings. Verify pin configuration and mechanical dimensions to ensure compatibility with existing PCB layouts. Confirm that alternative parts meet the same EMC filtering requirements and thermal specifications.