744877004

Arrays, Signal Transformers Overview

The Würth Elektronik 744877004 is a shielded surface-mount coupled inductor from the WE-DD series, housed in a compact 7.3mm x 7.3mm x 4.8mm package. It features a nominal inductance of 4.7 µH with a 20% tolerance and a maximum DC resistance of 64 mOhms. The component supports a maximum DC current of 1.55 A and operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture designed for series or parallel connection configurations
• Shielded construction minimizes electromagnetic interference
• Compact SMD footprint suitable for space-constrained designs

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Power supply input filtering
• DC-DC converter stages

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet version for the 744877004 part number to confirm exact electrical tolerances and thermal characteristics. Ensure compatibility with your PCB footprint dimensions and reflow soldering profiles. Cross-reference manufacturer documentation for any recent design changes or qualification updates before finalizing procurement.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-inductor solution is required for coupled applications such as SEPIC topologies. Evaluate the 1.55 A current rating against peak load requirements. Consider the 64 mOhm DCR impact on overall efficiency and thermal management within the system enclosure.

Arrays, Signal Transformers Part Context

This component belongs to the WE-DD series of coupled inductors by Würth Elektronik. These parts are engineered for high-frequency power conversion applications requiring tight coupling and low profile. The series offers various inductance values optimized for modern switching regulator designs.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the same WE-DD series with compatible pinouts and electrical ratings. Verify that alternative components meet the same physical dimensions and thermal performance standards.