DRQ125-151-R

Arrays, Signal Transformers Overview

The DRQ125-151-R is a shielded drum core power inductor from Eaton Electronics, designed for surface-mount applications. It features a ferrite core and offers an inductance of 150 µH with a ±20% tolerance at a test frequency of 100 kHz. The component supports a saturation current (Isat) of 1.81 A and a rated RMS current of 1.48 A. Its maximum DC resistance is 248 mΩ. Operating within a temperature range of -40°C to +125°C, it measures 12.5 mm x 12.5 mm x 6.0 mm.

Arrays, Signal Transformers Feature Summary

• Shielded drum core construction minimizes electromagnetic interference.
• Dual-coil array configuration allows flexible series or parallel circuit integration.
• High thermal stability ensures reliable operation across extended temperature ranges.

Arrays, Signal Transformers Applications

• Power supply filtering circuits
• DC-DC converter input/output stages
• SEPIC converter topologies

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet version and RoHS compliance status prior to procurement, as manufacturing processes may evolve. Confirm that the package quantity matches project requirements, noting availability in reel, cut tape, or Digi-Reel formats. Ensure the supplier provides traceability documentation consistent with Eaton Electronics standards for quality assurance.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded inductor is required for high-current power applications. The dual-coil design enables customized inductance values through series or parallel connections. Verify that the 1.81 A saturation current and 1.48 A RMS current ratings exceed the peak and continuous load currents of the target application to prevent performance degradation.

Arrays, Signal Transformers Part Context

This part belongs to the DRQ series of shielded drum core power inductors manufactured by Eaton Electronics. The series is characterized by its low profile and robust shielding, making it suitable for dense PCB layouts. The DRQ125-151-R specifically utilizes a ferrite core to achieve stable inductance characteristics under varying load conditions.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes include other DRQ series variants with similar electrical parameters, such as the DRQ125-101-R or DRQ125-220-R, provided the inductance and current ratings align with the circuit design. Cross-series replacements require careful verification of footprint compatibility and thermal performance.

Arrays, Signal Transformers FAQ

What are the available connection options for the dual coils?

The two coils can be connected in series or parallel to achieve different total inductance and current handling capabilities.

What is the maximum operating temperature for this inductor?

The component is rated for operation up to +125°C.