7448021230

Overview

The Würth Elektronik 7448021230 is a common mode filter choke from the WE-CMBNC series. It features an inductance of 30 mH at 10 kHz and supports a maximum DC current of 1.2 A. The component has a DC resistance of 280 mΩ and operates with a voltage rating of 250 V ac. It utilizes nanocrystalline core material for effective noise suppression.

Feature Summary

• Utilizes nanocrystalline core technology for high-performance common mode filtering
• Designed for power line applications to suppress electromagnetic interference
• Provides robust signal integrity through high inductance values

Applications

• Power line noise suppression
• Electromagnetic interference filtering
• Common mode chokes in electronic circuits

Procurement Notes

Verify the manufacturer part number 7448021230 against official Wurth Elektronik documentation to ensure authenticity. Confirm that the nanocrystalline construction and electrical ratings match the specific design requirements before procurement. Cross-reference datasheet specifications for tolerance and thermal characteristics.

Selection Notes

Select this component when high inductance is required for low-frequency noise attenuation in power lines. The 1.2 A current rating suits moderate power applications. Ensure the PCB layout accommodates the through-hole mounting style and physical dimensions specified in the mechanical drawings.

Part Context

This component belongs to the WE-CMBNC series, which specializes in common mode chokes using nanocrystalline materials. These components are engineered for superior magnetic performance compared to traditional ferrite cores, offering higher saturation limits and better frequency response characteristics for EMI mitigation.

Replacement Considerations

Consult the official Wurth Elektronik substitution guide or RedExpert tool for verified alternatives. Do not assume generic common mode chokes are compatible due to differences in core material properties and saturation currents.