DRQ73-681-R

Arrays, Signal Transformers Overview

The DRQ73-681-R is a shielded dual-coil power inductor from the DR Series by Eaton Electronics Division. It features a drum core, wound construction with ferrite material. The component offers an inductance of 680 µH per coil, with 2.706 mH when connected in series and 676.5 µH in parallel. DC resistance is 3.47 Ohms per coil. Rated current is 290 mA, with saturation at 310 mA. Operating temperature ranges from -40°C to 125°C. Dimensions are 7.60mm x 7.60mm x 3.55mm max height.

Arrays, Signal Transformers Feature Summary

• Dual-winding configuration for flexible circuit integration
• Shielded drum core design minimizes electromagnetic interference
• High power density construction suitable for compact layouts

Arrays, Signal Transformers Applications

• Power supply filtering in embedded systems
• DC-DC converter input/output stages
• Microcontroller peripheral power conditioning

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix 'R' indicates tape-and-reel packaging if reel quantity is required. Confirm RoHS3 compliance status for environmental regulations. Check lead times as they may vary by distributor. Ensure the dual-coil requirement matches the circuit design before ordering.

Arrays, Signal Transformers Selection Notes

Select this part when dual isolated or coupled inductors are needed in a single footprint. Compare series and parallel inductance values against circuit requirements. Verify current ratings including saturation and RMS limits. Consider thermal performance within the -40°C to 125°C range.

Arrays, Signal Transformers Part Context

Part of the DR Series high-power shielded drum core inductors. Designed for surface mount applications requiring high current handling in small packages. Manufactured by Eaton Electronics Division under the Coiltronics brand.

Arrays, Signal Transformers Replacement Considerations

Check DR73-681-R for single-coil equivalent. Verify DRQ73 series variants for different inductance values. Confirm pinout and dimensional compatibility with existing PCB layout.