DRAQ127-330-R

Arrays, Signal Transformers Overview

The DRAQ127-330-R is a shielded coupled inductor array from the Eaton DRAQ series, designed for surface mount technology. It features two coils with a parallel inductance of 32 µH and a series inductance of 128 µH, both having a ±25% tolerance. The component supports a rated current of 3.22 A in parallel configuration and 1.61 A in series. DC resistance is specified at a maximum of 72 mΩ for parallel connections and 288 mΩ for series connections. It operates within a temperature range of -40°C to +165°C and holds AEC-Q200 qualification.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture enabling flexible series or parallel circuit integration
• Ferrite core construction providing effective magnetic shielding
• High thermal stability suitable for demanding automotive environments

Arrays, Signal Transformers Applications

• Automotive power supply filtering
• DC-DC converter input/output stages
• Coupled inductor applications in vehicle electronics

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix and revision level against the manufacturer's latest datasheet to ensure compatibility with current production requirements. Confirm that the AEC-Q200 qualification status remains valid for the intended automotive application timeline. Cross-reference pinout configurations with the target PCB footprint to prevent assembly errors during surface mount placement.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a compact surface-mount package. The high operating temperature rating allows for reliable performance in thermally constrained automotive enclosures. Ensure the design accounts for the specific saturation currents available in either series or parallel connection modes to meet system load requirements.

Arrays, Signal Transformers Part Context

This part belongs to the Eaton DRAQ series of automotive-grade coupled inductors. The series is characterized by its shielded drum core design and compliance with strict automotive reliability standards. It serves as a specialized alternative to discrete inductor solutions, offering space savings and improved electromagnetic interference management in complex power circuits.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include other DRAQ series variants such as DRAQ127-150-R or DRAQ127-100-R if different inductance values are acceptable. For non-coupled alternatives, the DRA127 series offers similar form factors but lacks the coupled functionality.