DRQ73-221-R

Arrays, Signal Transformers Overview

The DRQ73-221-R is a shielded two-coil inductor array manufactured by Eaton - Electronics Division. It features a ferrite drum core and surface mount construction with dimensions of 7.60mm x 7.60mm x 3.55mm. The component offers an inductance of 893.2 µH in series connection and 223.3 µH in parallel connection, with a tolerance of ±20%. DC resistance is 4.2 Ω in series and 1.05 Ω in parallel. Rated currents are 260 mA (series) and 520 mA (parallel), while saturation currents reach 270 mA (series) and 530 mA (parallel). It operates within a temperature range of -40°C to 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil configuration enabling flexible series or parallel circuit integration
• Shielded drum core design minimizes electromagnetic interference
• Surface mount package optimized for automated assembly processes

Arrays, Signal Transformers Applications

• Signal transformer implementations
• Coupled inductor circuits
• SEPIC converter topologies

Arrays, Signal Transformers Procurement Notes

Verify the manufacturer part number against official Eaton documentation to ensure authenticity. Confirm that the specific ordering suffix matches the required packaging format, such as tape and reel or cut tape. Check RoHS compliance status and moisture sensitivity level requirements before finalizing procurement orders to meet project specifications.

Arrays, Signal Transformers Selection Notes

Select this component when dual isolated windings are required within a compact footprint. The shielded construction makes it suitable for noise-sensitive environments. Ensure the parallel inductance value meets the circuit design requirements. Verify that the rated current capabilities align with the maximum load conditions expected in the application.

Arrays, Signal Transformers Part Context

This component belongs to the DRQ series of shielded drum core inductors from Eaton. The series provides various inductance values and current ratings for power and signal applications. The DRQ73-221-R specifically addresses needs for moderate inductance in coupled configurations.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton technical resources for verified substitute part numbers within the DRQ series. Cross-reference pinout compatibility and physical dimensions before substituting. Ensure electrical parameters match the original design requirements.

Arrays, Signal Transformers FAQ

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

The inductance is 223.3 µH when the two coils are connected in parallel.

Is the DRQ73-221-R shielded?

Yes, the component features a shielded drum core design to reduce electromagnetic interference.