SDQ25-331-R

Arrays, Signal Transformers Overview

The SDQ25-331-R is a shielded two-coil inductor array manufactured by Eaton Electronics Division, designed for surface-mount applications. It features a ferrite core and measures 5.20mm x 5.20mm with a height of 2.50mm. The component offers an inductance of 330 µH with a tolerance of ±20%. In parallel configuration, it provides 82.5 µH inductance, 6.8 Ω DC resistance, 0.146 A rated current, and 0.111 A saturation current. In series configuration, the inductance increases to 1.32 mH, while DC resistance rises to 27.2 Ω, supporting a rated current of 0.073 A and saturation current of 0.056 A. It operates within a temperature range of -40°C to 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture enabling flexible series or parallel circuit integration
• Metalized shield design to minimize electromagnetic interference
• Ferrite core construction optimized for high-frequency power applications

Arrays, Signal Transformers Applications

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

Arrays, Signal Transformers Procurement Notes

Verify the specific package suffix and tape/reel specifications against the manufacturer's latest datasheet before ordering. Confirm that the required inductance value aligns with the 330 µH nominal rating and that the low current handling capabilities suit the target application's thermal and electrical constraints.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded dual-inductor solution is required for low-current power management topologies. Ensure the PCB footprint accommodates the 5.20mm x 5.20mm dimensions and that the assembly process supports surface-mount technology for the specified height profile.

Arrays, Signal Transformers Part Context

This part belongs to the SDQ series of metalized-shielded drum-core power inductors from Eaton Electronics Division. The series is characterized by its small footprint and suitability for space-constrained electronic designs requiring reliable magnetic shielding and stable performance across wide temperature ranges.

Arrays, Signal Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative components by matching inductance, current ratings, and physical dimensions.