B82720A2102N040

Overview

The B82720A2102N040 is a current-compensated ring core double choke manufactured by EPCOS (TDK). It features an inductance of 3 mH with a rated current of 1 A and a maximum DC resistance of 220 mΩ. The component operates within a temperature range of -40 °C to +125 °C and supports wave soldering processes.

Feature Summary

• High resonance frequency achieved through specialized winding techniques
• Approximately 1% stray inductance for symmetrical interference suppression
• Compliance with EN 60938-2 (VDE 0565-2) design standards

Applications

• Suppression of common-mode interferences
• Compact electronic ballasts in lamps
• Compact switch-mode power applications

Procurement Notes

Verify the specific suffix N040 against official EPCOS/TDK documentation to confirm lead frame material and plating specifications. Ensure the selected variant matches the required RoHS compliance status and environmental certifications for your target market regulations before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring 3 mH inductance at 1 A rated current. Consider its vertical mounting style and through-hole termination for PCB integration. Evaluate the -40 °C to +125 °C operating range against your system's thermal environment requirements.

Part Context

This part belongs to the B82720A/K series of power line chokes. These components are designed as current-compensated ring core double chokes for AC mains filtering. The series offers various inductance values and current ratings to suit different power line noise suppression needs.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic equivalents may not match the precise stray inductance or resonance frequency characteristics.