7446723001

Overview

The Würth Elektronik 7446723001 is a through-hole common mode choke from the WE-LF series, designed for power line applications. It features an inductance of 1.2 mH and supports a maximum DC current of 3 A with a maximum DC resistance of 40 mOhms. The component operates within a temperature range of -40°C to +125°C and is rated for AC voltages up to 250 V.

Feature Summary

• Provides effective common mode noise suppression for power lines
• Utilizes a robust through-hole mounting style for secure PCB attachment
• Constructed with high-temperature materials suitable for demanding environments

Applications

• Power supply input filtering
• EMI suppression in mains-powered equipment
• Noise reduction in industrial control systems

Procurement Notes

Verify the specific package type and pin configuration against the official datasheet before integration. Confirm that the 1.2 mH inductance and 3 A current rating align with the target circuit requirements. Ensure compatibility with the assembly process for through-hole components.

Selection Notes

Select this component when high current handling and low DC resistance are required for power line filtering. The through-hole design offers mechanical stability compared to surface-mount alternatives. Consider the operating temperature range and voltage rating to ensure reliability in the intended application environment.

Part Context

This part belongs to the WE-LF series of common mode chokes by Würth Elektronik. These components are specifically engineered for mains power line applications, offering reliable noise attenuation. The series is known for its compact size relative to performance and compliance with relevant safety standards.

Replacement Considerations

Check for direct substitutes within the WE-LF series with matching inductance and current ratings. Verify pinout compatibility and physical dimensions if space constraints exist. Ensure any replacement meets the same thermal and electrical specifications.