DRQ74-151-R

Arrays, Signal Transformers Overview

The DRQ74-151-R is a shielded two-coil surface-mount inductor array manufactured by Eaton Electronics. It features a nominal inductance of 150 µH with a ±20% tolerance. The component provides 600 µH in series connection and 150 µH in parallel connection. It has a DC resistance (DCR) of 591 mΩ in parallel and 2.37 Ω in series. Rated currents are 690 mA (parallel) and 346 mA (series), while saturation currents reach 810 mA (parallel) and 410 mA (series). The package dimensions are 7.60mm x 7.60mm x 4.45mm, operating from -40°C to 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-shielded drum core construction minimizes electromagnetic interference.
• Configurable connectivity allows for distinct series or parallel circuit integration.
• Robust thermal stability supports operation across extended industrial temperature ranges.

Arrays, Signal Transformers Applications

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

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix and manufacturer part number against official Eaton documentation before ordering. Confirm that the required packaging format matches availability, as options include tape and reel or cut tape. Ensure the design accommodates the specified physical footprint and thermal requirements for the target application environment.

Arrays, Signal Transformers Selection Notes

Select this component when a compact dual-inductor solution is required for power conversion topologies. Compare series and parallel current ratings against peak load demands. Verify that the shielded design meets the system's electromagnetic compatibility constraints. Check lead times as manufacturing schedules may vary based on production volume.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded drum core inductors from Eaton Electronics. These components are designed for high-performance surface-mount applications requiring reliable magnetic shielding. The series offers various inductance values to suit different power management needs while maintaining a consistent small-footprint package.

Arrays, Signal Transformers Replacement Considerations

Consult Eaton technical support for verified cross-reference data. Do not substitute without confirming electrical equivalence and mechanical fitment through official channels.

Arrays, Signal Transformers FAQ

What is the difference between the rated current and saturation current?

Rated current indicates the maximum continuous current the inductor can handle without excessive temperature rise, while saturation current is the point where inductance drops significantly due to core magnetic saturation.

How does the shielding affect performance?

The shielded drum core design contains magnetic flux, reducing electromagnetic interference with nearby components and improving overall circuit reliability in dense layouts.