SRF1280A-680M

Overview

The Bourns SRF1280A-680M is a dual-winding shielded power inductor with an inductance of 68 µH and ±20% tolerance. It features a ferrite core and wirewound construction, rated for a maximum DC current of 4.44 A and saturation current of 2.44 A. The component has a maximum DC resistance of 0.123 Ohms and operates within a temperature range of -40°C to +125°C. Dimensions are 12.5 mm x 12.5 mm x 8.0 mm. It meets AEC-Q200 automotive qualification standards.

Feature Summary

• Dual-winding configuration supporting series, parallel, and transformer applications
• Magnetically shielded design for low radiation emission
• Automotive-grade reliability via AEC-Q200 qualification

Applications

• Automotive power supply circuits
• Dual-inductor configurations
• Transformer implementations

Procurement Notes

Verify the specific suffix against official Bourns documentation to confirm electrical characteristics and packaging options. Ensure the procurement channel provides valid traceability for AEC-Q200 certified components. Confirm that the delivered units match the specified 68 µH rating and physical dimensions before integration into production lines.

Selection Notes

Select this component for applications requiring coupled inductors with magnetic shielding. The dual-winding architecture allows flexible circuit topologies including series or parallel connections. Verify that the 4.44 A current rating and 68 µH inductance align with the target power stage requirements and thermal management capabilities.

Part Context

This part belongs to the SRF1280A series of dual-winding shielded power inductors manufactured by Bourns. The series offers various inductance values ranging from 0.47 to 1000 µH. These components are designed for surface-mount assembly and are suitable for high-reliability environments, particularly within the automotive sector due to their robust construction and qualification standards.

Replacement Considerations

Direct substitutes must match the dual-winding, shielded, and AEC-Q200 qualified specifications. Verify pinout compatibility and equivalent electrical parameters such as inductance, current ratings, and physical footprint before substitution.