SDQ25-220-R

Arrays, Signal Transformers Overview

The SDQ25-220-R is a shielded two-coil inductor array manufactured by Eaton - Electronics Division. It features a surface-mount design with dimensions of 5.20mm x 5.20mm and a maximum height of 2.50mm. The component provides an inductance of 22.47 µH in parallel connection and 89.89 µH in series connection, with a tolerance of ±20%. It operates within a temperature range of -40°C to 125°C. The DC resistance is 243.1 mΩ in parallel and 972.4 mΩ in series. Rated currents are 1.01 A for parallel and 507 mA for series configurations, while saturation currents reach 849 mA (parallel) and 425 mA (series).

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture supporting independent or coupled circuit topologies.
• Fully shielded construction to minimize electromagnetic interference.
• Surface-mount package optimized for automated assembly processes.

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Coupled inductor applications requiring dual windings
• DC-DC converter input/output filtering

Arrays, Signal Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct packaging configuration. Confirm that the required electrical parameters, including inductance tolerance and current ratings, align with the target circuit design specifications before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when a compact dual-winding solution is required for power conversion stages. Evaluate the thermal performance under expected load conditions, as the saturation current limits define the operational boundaries. Ensure the PCB footprint matches the specified 5.20mm x 5.20mm dimensions and allows adequate clearance for the 2.50mm height profile.

Arrays, Signal Transformers Part Context

This part belongs to the SDQ series of coupled inductors from Eaton - Electronics Division. The series is designed for switching regulator applications, offering integrated magnetic solutions that reduce board space compared to discrete inductor setups. The SDQ25-220-R specifically addresses needs for dual-output or complex topology power supplies.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include other Eaton SDQ series parts with matching pinouts and electrical characteristics. Verify compatibility with existing PCB footprints and thermal management requirements when considering alternative manufacturers' coupled inductor arrays.

Arrays, Signal Transformers FAQ

What is the difference between the parallel and series inductance values?

The parallel inductance is 22.47 µH, while the series inductance is 89.89 µH. These values depend on how the two internal coils are connected within the circuit topology.

Is the SDQ25-220-R suitable for high-temperature automotive environments?

The component has a rated operating temperature range of -40°C to 125°C. Applications requiring operation beyond 125°C should consult the manufacturer for higher-temperature variants.