SRF1260A-471M

Overview

The Bourns SRF1260A-471M is a dual-winding shielded power inductor with a ferrite core and wirewound construction. It measures 12.5 mm x 12.5 mm x 6 mm. Inductance is 1.88 mH in series or 470 µH in parallel, with ±20% tolerance. DC resistance is 3.197 Ω (series) or 0.83 Ω (parallel). Rated current is 1.02 A (series) or 870 mA (parallel). Operating temperature range is -40°C to +125°C.

Feature Summary

• Dual-winding configuration allows flexible circuit design through series or parallel connections.
• Shielded structure minimizes electromagnetic interference for reliable operation.
• Ferrite core material supports stable performance across wide temperature ranges.

Applications

• Automotive electronics systems
• DC-DC converter circuits
• Power management modules

Procurement Notes

Verify the specific part number against official Bourns documentation to confirm electrical parameters and package dimensions. Ensure compatibility with automotive grade requirements if applicable. Check datasheet for thermal characteristics and saturation limits before integration into final designs.

Selection Notes

Choose this component when dual-coil flexibility is required for space-constrained applications. The 1260 footprint offers a balance between size and current handling. Consider series versus parallel configurations based on target inductance and current ratings for optimal circuit efficiency.

Part Context

This component belongs to the SRF1260A series of automotive-grade shielded power inductors. The series provides various inductance values within the 12.5 x 12.5 mm package. It is designed for high-reliability environments requiring robust magnetic shielding and stable thermal performance.

FAQ

What is the difference between series and parallel connection modes?

In series mode, the inductance is 1.88 mH with higher DC resistance. In parallel mode, the inductance drops to 470 µH with lower DC resistance, allowing higher current flow.

Is this component suitable for automotive applications?

Yes, the SRF1260A series is qualified for automotive use, meeting specific reliability standards for harsh operating environments.