B82721K2222U030

Overview

The B82721K2222U030 is a current-compensated ring core double choke manufactured by EPCOS (TDK). It features a ferrite core and is designed for power line applications. Key electrical parameters include an inductance of 10 µH, a maximum DC current rating of 2.2 A, and a maximum DC resistance of 70 mΩ. The component operates within a temperature range of -40°C to +125°C. Physical dimensions are 18.20 mm in length, 13.20 mm in width, and 20.00 mm in height, with a vertical package configuration.

Feature Summary

• Current-compensated ring core design for effective common mode noise suppression
• Ferrite core construction optimized for general purpose power line filtering
• Vertical through-hole mounting configuration for PCB integration

Applications

• Power line chokes
• Common mode filters
• General purpose inductor applications

Procurement Notes

Verify the specific manufacturer designation, as sourcing may involve both EPCOS and TDK Electronics branding due to corporate integration. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer's official channels. Ensure the ordering suffix matches the required pin configuration and packaging format for your assembly process.

Selection Notes

Select this component when a 10 µH inductance value is required for common mode noise reduction in power circuits. The 2.2 A current rating suits moderate power applications. Verify that the 70 mΩ DC resistance meets the efficiency requirements of the target circuit. Ensure the physical footprint of 18.20 x 13.20 mm fits the available PCB space and that the operating temperature range covers the environmental conditions.

Part Context

This component belongs to the B82721 series of power line chokes from EPCOS/TDK. These devices are engineered for electromagnetic compatibility (EMC) improvement in electronic equipment. The series utilizes ring core technology to provide high inductance in a compact form factor, suitable for filtering interference on AC and DC power lines in various industrial and consumer applications.

Replacement Considerations

Check for direct substitutes within the B82721 series with different inductance values if 10 µH is not critical. Verify mechanical compatibility with other vertical through-hole common mode chokes from TDK or other manufacturers offering similar ferrite core designs.