SRF1260A-101M

Overview

The Bourns SRF1260A-101M is a dual-winding shielded power inductor from the SRF1260A series, designed for surface-mount applications. It features a ferrite core and wirewound construction within a 12.5mm x 12.5mm x 6mm package. The component provides an inductance of 100µH with a tolerance of ±20%. Key electrical specifications include a DC resistance of 171mΩ per winding, a saturation current of 1.78A, and a rated current of 0.892A. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 automotive qualification.

Feature Summary

• Dual-winding configuration for coupled circuit designs
• Magnetically shielded structure to minimize interference
• Automotive-grade reliability via AEC-Q200 certification

Applications

• Automotive DC-DC converter circuits
• High-reliability power supply filtering
• Coupled inductor applications in compact power modules

Procurement Notes

Verify the specific suffix 'A' against the original design requirements, as it denotes the automotive-grade variant. Confirm that the dual-winding topology matches the schematic, as single-winding alternatives exist in the same footprint. Ensure the 1.78A saturation current meets the peak load demands of the target application without performance degradation.

Selection Notes

Select this component when a shielded, dual-coil solution is required for space-constrained automotive or industrial power systems. The 1260 footprint offers a balance between current handling and board area. Consider the ferrite core characteristics for high-frequency efficiency. Verify that the 171mΩ DCR aligns with thermal management goals for the specific PCB layout.

Part Context

This part belongs to the SRF1260A series of general-purpose power inductors manufactured by Bourns. The series is characterized by its low-profile design and robust shielding. The '101M' designation specifically indicates the 100µH value and 20% tolerance. It is distinct from non-automotive variants like the SRF1260 series due to its enhanced qualification standards.

Replacement Considerations

Direct substitutes include other Bourns SMD power inductors with identical 12.5x12.5x6mm dimensions and dual-winding configurations. Verify that any replacement maintains the AEC-Q200 status if automotive compliance is mandatory. Check for equivalent saturation and rated currents to ensure no derating is necessary in the final assembly.