B82722J2202N020

Overview

The B82722J2202N020 is a current-compensated ring core double choke manufactured by EPCOS (TDK). It features a rectangular ferrite-core construction with radial leads. The component has a nominal inductance of 4.2 mH per winding and supports a maximum DC current of 2 A. It operates within a temperature range of -40 °C to +125 °C and is rated for 250 V AC. The package dimensions are 23.3 mm in length, 16.1 mm in width, and 25.4 mm in height.

Feature Summary

• Current-compensated design utilizing a ring core structure for effective common-mode noise suppression
• Dual-winding configuration providing balanced filtering capabilities for power lines
• Robust ferrite core material ensuring stable performance across wide temperature variations

Applications

• Power line chokes for AC mains filtering
• Common mode noise suppression in electronic equipment
• EMI/RFI filtering in industrial electronics

Procurement Notes

Verify the specific ordering suffix against official TDK/EPCOS documentation to ensure correct tolerance and packaging specifications. Confirm that the 2 A current rating and 4.2 mH inductance align with your circuit requirements. Check for RoHS compliance status as indicated in the latest datasheet revision. Ensure compatibility with your PCB footprint given the radial lead dimensions.

Selection Notes

Select this component when a compact, current-compensated choke is required for differential mode applications or where space constraints limit larger cores. The 23.3 x 16.1 mm form factor suits dense PCB layouts. Consider the 2 A current handling capability and 4.2 mH inductance value for your specific filter design needs. Verify thermal management requirements for operation up to 125 °C.

Part Context

This part belongs to the B82722 series of power line chokes from EPCOS/TDK. These components are designed for general-purpose electromagnetic interference suppression in AC power circuits. The series offers various inductance values and current ratings within a standardized rectangular package family, facilitating consistent mechanical integration across different product designs.

Replacement Considerations

Check for direct substitutes within the B82722 series with matching inductance and current ratings. Verify mechanical compatibility with existing PCB footprints. Ensure electrical parameters such as saturation current and impedance characteristics meet original design specifications before substitution.