SRF0703HA-680M

Overview

The Bourns SRF0703HA-680M is a dual-winding shielded power inductor from the SRF0703HA series, designed for automotive applications. It features an inductance of 68 µH when connected in parallel and 680 µH in series, with a tolerance of ±20%. The component has a maximum DC resistance of 507 mΩ in parallel configuration and operates within a temperature range of -55°C to +150°C. Its compact surface-mount package measures 7.6 mm x 7.6 mm x 3.4 mm.

Feature Summary

• Automotive-grade construction compliant with AEC-Q200 standards
• Shielded design minimizes electromagnetic radiation
• Dual-winding capability supports parallel, series, or transformer configurations

Applications

• Automotive power supply circuits
• DC-DC converter modules
• Power factor correction systems

Procurement Notes

Verify the specific suffix and manufacturer part number against official Bourns documentation to ensure correct electrical characteristics. Confirm RoHS compliance status and packaging options such as cut tape or reel availability through authorized distributors. Cross-reference datasheet parameters like DCR and saturation current with system requirements before finalizing procurement.

Selection Notes

Select this component for applications requiring high reliability in harsh automotive environments due to its wide operating temperature range. The dual-winding architecture offers flexibility for various circuit topologies. Ensure the physical footprint fits the PCB layout constraints given the 7.6mm square dimensions.

Part Context

This part belongs to the SRF0703HA series of shielded coupled inductors manufactured by Bourns. The series is characterized by its automotive qualification and compact form factor suitable for space-constrained designs. Other variants in the series offer different inductance values while maintaining similar physical and thermal properties.

Replacement Considerations

Check for direct substitutes within the SRF0703HA series with matching inductance and current ratings. Verify pin compatibility and thermal performance if considering alternative manufacturers. Ensure any replacement meets the same AEC-Q200 automotive qualification standards.