SRF1280A-4R7Y

Overview

The Bourns SRF1280A-4R7Y is a dual-winding shielded power inductor array designed for surface mount applications. It features an inductance of 4.7 µH with a tolerance of ±30%. The component has a maximum DC current rating of 8.2 A and a saturation current of 16.5 A. Its maximum DC resistance is 13.5 mΩ. The device operates within a temperature range of -40°C to +125°C and meets AEC-Q200 automotive qualification standards.

Feature Summary

• Dual-winding configuration integrated into a single shielded package
• High saturation current capability for robust power handling
• Automotive-grade reliability certified under AEC-Q200 standards

Applications

• Automotive electronic systems requiring high stability
• DC/DC converter circuits
• Power supply modules

Procurement Notes

Verify the specific datasheet revision and electrical parameters directly from the manufacturer before integration. Confirm that the dual-winding series connection matches the circuit design requirements. Ensure the operating environment stays within the specified temperature limits to maintain performance integrity.

Selection Notes

Select this component when a compact, shielded dual-inductor solution is required for automotive or industrial power applications. The high saturation current supports demanding load conditions. Verify footprint compatibility with the PCB layout and ensure the thermal management strategy accommodates the specified operating temperature range.

Part Context

This part belongs to the SRF1280A series of dual-winding shielded power inductors manufactured by Bourns. The series is engineered for surface mount technology and targets applications needing high current density and electromagnetic interference reduction through magnetic shielding.

Replacement Considerations

Check for compatible parts within the same SRF1280A series or equivalent dual-winding arrays from other manufacturers. Ensure identical inductance, current ratings, and physical dimensions are maintained during substitution.