SRF1260-3R3Y

Overview

The Bourns SRF1260-3R3Y is a shielded dual-coil inductor array with a 3.3 µH nominal inductance and ±30% tolerance. It features a maximum DC resistance of 10.1 mΩ in parallel configuration and 37.2 mΩ in series. The component supports a rated current of 9.26 A (parallel) or 4.63 A (series), with saturation currents reaching 12.7 A and 6.35 A respectively. Measuring 12.50 mm x 12.50 mm x 6.20 mm, it operates within a temperature range of -40°C to +125°C.

Feature Summary

• Dual-winding shielded power inductor array design
• AEC-Q200 qualified for automotive reliability standards
• Supports both parallel and series connection configurations

Applications

• Automotive power supply circuits
• DC-DC converter input/output filtering
• EMI suppression in vehicle electronics

Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to ensure correct packaging and tape specifications. Confirm that the selected variant meets the required AEC-Q200 qualification status if intended for automotive applications. Cross-reference the part number with official distributor catalogs to validate current availability and standard lead times before finalizing procurement plans.

Selection Notes

Select this component when high current handling and compact surface-mount footprint are required. The dual-coil architecture allows flexible circuit topologies using either parallel or series connections. Ensure the application environment stays within the specified -40°C to +125°C operating range and verify that the saturation current ratings align with peak load requirements.

Part Context

This component belongs to the SRF1260 series of dual-winding shielded power inductors manufactured by Bourns Inc. The series is designed for high-current applications requiring robust magnetic shielding. The SRF1260-3R3Y specifically provides a 3.3 µH inductance value optimized for power conversion stages in demanding electronic environments.

Replacement Considerations

Consult the official SRF1260 Series datasheet for confirmed substitute part numbers within the same family. Verify compatibility regarding pinout, physical dimensions, and electrical parameters before swapping components.