SDQ25-681-R

Arrays, Signal Transformers Overview

The SDQ25-681-R is a shielded two-coil inductor array manufactured by Eaton Electronics. It features a metalized shielded drum core construction suitable for surface mount applications. The component provides an inductance of 2.7 mH when connected in series and 677.4 µH in parallel, with a tolerance of ±20%. It operates within a temperature range of -40°C to +125°C. The device has a compact footprint measuring 5.20mm x 5.20mm with a height of 2.50mm. DC resistance values are specified at 6.45 Ohms for parallel connection and significantly higher for series configurations.

Arrays, Signal Transformers Feature Summary

• Dual coil configuration allowing flexible series or parallel circuit integration
• Metalized shielded drum core design for electromagnetic interference reduction
• Surface mount technology compatible with standard PCB assembly processes

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply filtering stages
• Signal processing arrays requiring coupled inductance

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet version for the SDQ25-681-R to confirm exact DC resistance and current ratings, as distributor listings may vary. Ensure compatibility with your PCB footprint dimensions of 5.20mm x 5.20mm. Check for RoHS3 compliance status if required by your manufacturing standards. Confirm availability through authorized Eaton Electronics distributors.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-inductor solution is needed in a small SMD package. The shielded design minimizes magnetic coupling with nearby components. Consider the high DC resistance in parallel mode when designing low-voltage drop circuits. Verify thermal performance within the -40°C to +125°C operating range for your specific environment.

Arrays, Signal Transformers Part Context

This part belongs to the SDQ series of metalized shielded drum core power inductors from Eaton Electronics. The series offers various inductance values in a standardized 5.20mm x 5.20mm footprint. These components are designed for high-frequency power applications where size constraints and shielding are critical requirements.

Arrays, Signal Transformers Replacement Considerations

Check Eaton's SDQ series catalog for alternative inductance values in the same package. Verify mechanical compatibility before substituting with other manufacturers' dual-coil arrays. Ensure electrical parameters match the original design requirements.