B82559A5612A025

Fixed Inductors Overview

The B82559A5612A025 is a surface-mount power inductor from the EPCOS ERU 25 series, manufactured by TDK. It features a helically wound wirewound construction on a ferrite core with shielded protection to minimize electromagnetic interference. The component has an inductance of 6.1 µH and a maximum DC current rating of 41 A. Its maximum DC resistance is 600 mΩ, ensuring efficient power delivery. The device operates within a temperature range of -40°C to +130°C and utilizes SMD/SMT termination styles. Physical dimensions include a case length of 25.3 mm, width of 23.5 mm, and height of 11.95 mm.

Fixed Inductors Feature Summary

• Helically wound wirewound technology for high-current power applications
• Ferrite core construction with shielded design for EMI suppression
• Surface-mount termination style compatible with automated assembly

Fixed Inductors Applications

• DC-DC converter output filtering
• Power supply input chokes
• Automotive electronics power stages

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against the official TDK/EPCOS datasheet to confirm exact electrical tolerances and packaging specifications. Ensure the requested part matches the required inductance value and current ratings for your circuit design. Confirm RoHS compliance status if environmental regulations apply to your manufacturing process. Cross-reference the physical footprint dimensions with your PCB layout to ensure mechanical fitment.

Fixed Inductors Selection Notes

Select this component when high saturation current and low DC resistance are critical for power efficiency. The shielded ferrite core makes it suitable for space-constrained designs requiring minimal magnetic field leakage. Consider the operating temperature range and thermal management requirements of the application environment. Evaluate the trade-off between inductance value and DC current capability to match the specific load profile.

Fixed Inductors Part Context

This component belongs to the B82559 series of fixed inductors produced by EPCOS, now part of TDK Electronics. The ERU 25 designation indicates a specific form factor within their SMD power inductor portfolio. These components are designed for robust performance in industrial and automotive power conversion systems. The series emphasizes high current handling capabilities alongside compact surface-mount packaging solutions.

Fixed Inductors Replacement Considerations

Consult official TDK documentation for qualified alternative part numbers within the same series or family that meet identical electrical and mechanical specifications.