7446321033

Overview

The Würth Elektronik 7446321033 is a current-compensated common mode choke from the WE-LF series, designed for power line filtering applications. It features an inductance of 33 mH measured at 10 kHz and supports a maximum DC current rating of 800 mA. The component exhibits a maximum DC resistance of 850 mOhms and operates within a temperature range of -40°C to +125°C. Constructed with through-hole termination, it provides robust electromagnetic interference suppression for single-phase AC circuits.

Feature Summary

• Current-compensated design for effective common mode noise reduction
• High inductance value suitable for low-frequency interference filtering
• Through-hole construction for secure PCB mounting
• Wide operating temperature range for diverse environmental conditions

Applications

• Single-phase AC power input filtering
• Electromagnetic interference suppression in consumer electronics
• Power supply input stages
• Audio equipment noise reduction

Procurement Notes

Verify the part number 7446321033 against official Wurth Elektronik documentation to confirm specifications. Ensure compatibility with through-hole assembly processes. Check for RoHS compliance status in the latest datasheet. Confirm voltage ratings match application requirements before procurement.

Selection Notes

Select this component when high inductance is required for low-frequency common mode noise attenuation. The 800 mA current rating suits moderate power applications. Through-hole packaging is preferred for mechanical stability. Verify that the 850 mOhm DC resistance meets efficiency targets for the specific circuit design.

Part Context

This component belongs to the WE-LF series of current-compensated chokes by Wurth Elektronik. These devices are engineered for power line applications where significant common mode noise suppression is necessary. The series offers various inductance values tailored for different frequency ranges and current requirements.

Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Ensure replacement parts maintain equivalent inductance, current rating, and physical dimensions. Cross-reference technical specifications to guarantee functional compatibility without modifying existing circuit designs.