SRF1280A-820M

Overview

The Bourns SRF1280A-820M is a dual-winding shielded power inductor array with an 82 µH nominal inductance and ±20% tolerance. It features a ferrite core and surface mount construction measuring 12.5 mm x 12.5 mm x 8.0 mm. The component supports a rated current of 2.09 A in parallel configuration and 1.04 A in series, with saturation currents of 4.06 A (parallel) and 2.03 A (series). DC resistance is 153 mΩ (parallel) and 578 mΩ (series). It operates from -40°C to +125°C and holds AEC-Q200 qualification.

Feature Summary

• Dual-winding architecture enabling flexible series or parallel circuit integration
• Magnetically shielded design to minimize electromagnetic interference
• Automotive-grade reliability certified under AEC-Q200 standards

Applications

• Automotive power distribution systems
• DC/DC converter input/output filtering
• High-density power supply modules

Procurement Notes

Verify the specific suffix against official Bourns documentation to confirm electrical characteristics and packaging. Ensure the procurement channel provides valid traceability for automotive-grade components. Confirm that the delivered units match the AEC-Q200 qualification requirements specified in the datasheet before integration into production lines.

Selection Notes

Select this component when dual-coil functionality is required within a compact footprint. The shielded structure suits applications sensitive to magnetic coupling. Evaluate parallel versus series current ratings based on the specific load profile. The wide temperature range ensures stability in harsh automotive environments.

Part Context

This part belongs to the SRF1280A series of dual-winding shielded power inductors. The series offers various inductance values optimized for high-current automotive applications. The 1280 package size balances performance with board space constraints.

Replacement Considerations

Cross-reference with other SRF1280A variants for different inductance or current needs. Verify pin compatibility and thermal performance when substituting.