DRQ74-821-R

Arrays, Signal Transformers Overview

The DRQ74-821-R is a shielded dual-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 820 µH with a tolerance of ±20%. In parallel configuration, it exhibits a DC resistance of 2.93 ohms and a rated current of 350 mA. In series configuration, the DC resistance increases to 11.72 ohms with a rated current of 175 mA. The device operates within a temperature range of -40°C to 125°C and complies with RoHS3 standards.

Arrays, Signal Transformers Feature Summary

• Dual-shielded drum core construction for electromagnetic interference reduction
• Configurable series or parallel connection modes for flexible circuit design
• Surface-mount form factor optimized for automated assembly processes

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply input filtering
• Signal conditioning networks

Arrays, Signal Transformers Procurement Notes

Verify the specific manufacturer part number against official Eaton documentation to ensure compatibility with your design requirements. Confirm that the electrical parameters, including inductance tolerance and current ratings, align with your system specifications before finalizing procurement decisions.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded dual-inductor solution is required for power conversion applications. Consider the available series and parallel configurations to match the desired impedance and current handling capabilities of your specific circuit topology.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors from Eaton Electronics. The series is designed for high-performance power management applications requiring low profile and reliable shielding characteristics in a small surface-mount footprint.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton's official substitution guide for verified alternative part numbers within the DRQ series or compatible families. Ensure any replacement matches the physical dimensions and electrical specifications to maintain board integrity.