7448031002

Overview

The Würth Elektronik 7448031002 is a through-hole common mode choke from the WE-CMBNC series. It features a nanocrystalline core with high permeability and improved isolation. Key electrical parameters include an inductance of 2 mH, a maximum DC current rating of 10 A, and a maximum DC resistance of 6.3 mΩ. The self-resonant frequency reaches up to 300 MHz, and it operates within a temperature range of -40°C to +125°C.

Feature Summary

• Utilizes a nanocrystalline core material for enhanced magnetic performance
• Provides high suppression of asymmetric interferences
• Features improved isolation characteristics for safety
• Designed as a compact power line choke

Applications

• AC power line filtering
• Electromagnetic interference suppression in power supplies
• Common mode noise reduction in electronic equipment

Procurement Notes

Verify the specific datasheet version for the exact DC resistance value, as sources cite both 6.3 mΩ and 6 mΩ. Confirm that the through-hole package style matches your PCB layout requirements. Ensure the 10 A current rating meets your circuit's operational demands without exceeding thermal limits.

Selection Notes

Select this component when high permeability and compact size are required for power line applications. The nanocrystalline core offers superior performance compared to standard ferrite cores. Consider the through-hole mounting method if surface mount options are unsuitable for your mechanical constraints.

Part Context

This part belongs to the WE-CMBNC series of common mode chokes. These components are designed for AC power line applications where effective noise suppression is critical. The series emphasizes compact design and high efficiency in handling asymmetric interferences.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.