DRQ74-680-R

Arrays, Signal Transformers Overview

The DRQ74-680-R is a shielded two-coil inductor array manufactured by Eaton - Electronics Division. It features a surface-mount package with dimensions of 7.60mm x 7.60mm x 4.45mm. The component provides an inductance of 68 µH per coil, resulting in 278.7 µH for series connection and 17.3 µH for parallel connection. It has a DC resistance (DCR) of 265 mΩ per coil. The rated current is 1.03 A in parallel configuration and 0.515 A in series. Saturation currents are 1.3 A (parallel) and 0.65 A (series). The tolerance is ±20%, and it operates between -40°C and 125°C.

Arrays, Signal Transformers Feature Summary

• Shielded drum core construction minimizes electromagnetic interference.
• Dual-coil array design supports flexible series or parallel circuit integration.
• Surface-mount format facilitates automated PCB assembly processes.

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply input filtering
• DC-DC converter stages

Arrays, Signal Transformers Procurement Notes

Verify the manufacturer part number DRQ74-680-R against official Eaton documentation to ensure authenticity. Confirm that the specific package dimensions and electrical ratings match your design requirements. Check for RoHS3 compliance status as indicated in current datasheets. Ensure storage conditions respect moisture sensitivity level classifications prior to soldering.

Arrays, Signal Transformers Selection Notes

Select this component when a compact dual-inductor solution is required for power conversion topologies. The shielded design is suitable for applications sensitive to magnetic coupling. Evaluate the saturation current limits relative to peak load conditions. Consider the physical footprint constraints against the 7.60mm square profile.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded drum core inductors from Eaton. The series offers various inductance values and current ratings within standardized surface-mount packages. These components are engineered for high-power density applications requiring reliable performance in constrained spaces.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton's official cross-reference guides for verified substitutes. Ensure any replacement maintains identical pin configurations, shielding characteristics, and thermal ratings. Verify that alternative parts meet the same automotive or industrial qualification standards if applicable.

Arrays, Signal Transformers FAQ

What is the inductance value when the coils are connected in parallel?

When connected in parallel, the total inductance is approximately 17.3 µH, calculated based on the individual 68 µH coil values.

Does this component have magnetic shielding?

Yes, the DRQ74-680-R utilizes a shielded drum core construction to contain magnetic flux and reduce external interference.