SRF1260A-821M

Overview

The SRF1260A-821M is a dual-winding shielded power inductor array manufactured by Bourns Inc. It features two coils with an inductance of 820 µH when connected in parallel and 3.28 mH when connected in series, with a tolerance of ±20%. The component has a compact surface-mount footprint measuring 12.5 x 12.5 x 6 mm. It operates within a temperature range of -40 °C to +125 °C.

Feature Summary

• Dual-winding configuration allows flexible series or parallel connection for varying circuit requirements
• Shielded magnetic design minimizes electromagnetic interference and radiation
• Automotive-grade construction ensures reliability in demanding environments

Applications

• DC/DC converter circuits
• Automotive electronic systems
• Power supply filtering

Procurement Notes

Verify the specific datasheet version for current ratings and saturation characteristics, as these values depend on thermal conditions. Confirm package compatibility and soldering profiles during integration. Ensure the selected variant matches the required inductance configuration for your specific application design.

Selection Notes

Select this component when high power density and low profile are required in automotive or industrial power applications. The dual-winding architecture supports both series and parallel topologies, offering design flexibility. Verify that the operating temperature range meets the environmental constraints of the target system.

Part Context

This part belongs to the SRF1260A series of dual-winding shielded power inductors from Bourns. The series is designed for automotive and general-purpose power electronics, offering robust performance in space-constrained designs. It complements other components in the SRF family for comprehensive power management solutions.

Replacement Considerations

Consult official substitution guides for equivalent parts. Cross-referencing requires matching inductance, current ratings, and physical dimensions. Verify electrical parameters against the original design specifications before implementation.