SRF1260-681M

Overview

The Bourns SRF1260-681M is a dual-winding shielded power inductor from the SRF1260 series, designed for surface-mount applications. It features an inductance of 680 µH with a ±20% tolerance. The component has a 5050 (12.5 x 12.5 mm) footprint and a maximum height of 6 mm. Electrical specifications include a DC resistance of 1.212 Ω per winding and a saturation current of 0.7 A. When connected in series, the total inductance reaches 2.72 mH with a DC resistance of 4.635 Ω and a saturation current of 0.35 A.

Feature Summary

• Dual-winding architecture allows flexible circuit configuration via parallel or series connections.
• Shielded magnetic structure minimizes electromagnetic interference and reduces sensitivity to external fields.
• Robust construction supports operation across a wide temperature range from -40°C to +125°C.

Applications

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

Procurement Notes

Verify the specific datasheet version for the SRF1260-681M to confirm exact electrical tolerances and thermal characteristics. Ensure that the selected package dimensions align with the PCB land pattern requirements. Cross-reference the manufacturer's latest documentation to validate compliance with relevant industry standards before finalizing procurement orders.

Selection Notes

Select this component when dual independent windings are required within a compact surface-mount footprint. The shielded design is suitable for noise-sensitive environments. Evaluate the saturation current ratings against peak load conditions to ensure stable performance. Consider the series connection option if higher inductance values are needed without increasing the physical size.

Part Context

This part belongs to the Bourns SRF1260 series of dual-winding shielded power inductors. The series is engineered for high-reliability applications requiring compact power management solutions. These components utilize ferrite core technology to provide efficient energy storage and filtering capabilities in modern electronic designs.

Replacement Considerations

Consult official Bourns documentation for verified substitute part numbers within the SRF1260 family or equivalent series. Ensure any replacement matches the dual-winding configuration, shielding type, and dimensional constraints.