B82116S1221L127

Overview

The B82116S1221L127 is a mushroom core common mode choke from the EPCOS B82116S series. It features an inductance of 2.9 µH at 10 kHz and supports a rated current of 25 A. The component has a typical DC resistance of 1.4 mOhm and operates within a temperature range of -40°C to +180°C. Designed for through-hole mounting, it utilizes a radial vertical cylindrical open case with dimensions of 22.50 mm diameter and 22.10 mm maximum height. The device meets AEC-Q200 automotive standards.

Feature Summary

• High thermal stability enabling operation up to 180°C
• Automotive-grade reliability certified under AEC-Q200
• Low impedance design with minimal DC resistance

Applications

• Automotive power line filtering
• Industrial equipment noise suppression
• Electromagnetic compatibility (EMC) circuits

Procurement Notes

Verify component authenticity due to the obsolete lifecycle status. Confirm availability of surplus stock or alternative sourcing channels as standard production has ceased. Ensure strict adherence to storage conditions to maintain performance integrity given the end-of-life designation.

Selection Notes

Select this component for applications requiring high current handling and robust thermal performance. The AEC-Q200 certification makes it suitable for automotive environments. Consider the physical dimensions for board space constraints and verify that the 25A rating aligns with system requirements.

Part Context

This part belongs to the B82116S series of mushroom core chokes manufactured by EPCOS, now part of TDK Electronics. These components are engineered for high-current applications, offering reliable common mode noise suppression in demanding electrical environments.

Replacement Considerations

The component is officially marked as obsolete. Verify specific cross-reference part numbers from authorized distributors or manufacturers before implementation.