SRF1260-471M

Overview

The Bourns SRF1260-471M is a dual-winding shielded power inductor from the SRF1260 series, housed in a 12.5 x 12.5 x 6 mm surface-mount package. It features an iron core and offers a parallel inductance of 470 µH with ±20% tolerance, and a series inductance of 1.88 mH. The component supports a maximum RMS current of 870 mA in parallel configuration and 1.02 A in series. DC resistance is specified at 3.197 Ω, with an operating temperature range of -40°C to +125°C.

Feature Summary

• Dual-winding architecture providing flexible series or parallel connection options
• Shielded construction utilizing an iron core for magnetic containment
• Surface-mount design optimized for automated PCB assembly

Applications

• DC-DC converter output filtering
• Power supply input stages
• Signal processing circuits requiring coupled inductors

Procurement Notes

Verify the specific datasheet version for the SRF1260-471M to confirm electrical parameters such as saturation current and thermal ratings. Ensure the selected package dimensions match the target PCB footprint. Cross-reference manufacturer documentation for RoHS compliance status and recommended soldering profiles to guarantee reliable integration into the final assembly.

Selection Notes

Select this component when a coupled inductor with defined mutual inductance is required for differential signal handling or balanced power paths. The dual-winding capability allows designers to optimize circuit performance by choosing between series or parallel configurations based on current and impedance requirements.

Part Context

This part belongs to the Bourns SRF1260 series of dual-winding shielded power inductors. These components are engineered for high-performance applications where magnetic coupling between windings is utilized. The series provides consistent electrical characteristics across various inductance values within the same physical envelope.

Replacement Considerations

Consult official Bourns documentation for verified substitute part numbers within the SRF1260 series or compatible families. Ensure any replacement maintains identical winding configuration, shielding type, and dimensional constraints.