744873004

Arrays, Signal Transformers Overview

The Würth Elektronik WE-DD 744873004 is a shielded coupled inductor array featuring two coils with a total inductance of 4.7 µH and a tolerance of ±20%. It supports an RMS current of 4.87 A per coil and exhibits a series resistance of 19 mΩ. The component utilizes an SMD package with dimensions corresponding to the 1280 metric size, ensuring compact integration. Its self-resonant frequency reaches 32 MHz, providing effective performance for high-frequency switching applications.

Arrays, Signal Transformers Feature Summary

• Dual-coil configuration within a single shielded SMD package
• High current handling capability suitable for power stages
• Low DC resistance for improved efficiency

Arrays, Signal Transformers Applications

• SEPIC converter designs
• Buck-boost power supply topologies
• Multi-phase interleaved converters

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet revision when ordering, as manufacturer updates may alter mechanical or electrical specifications. Confirm that the 1280 footprint matches your PCB layout constraints. Ensure compatibility with your assembly equipment regarding the SMD package type. Cross-reference the 4.87 A rating against your thermal management design requirements.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-inductor solution is required to save board space compared to discrete parts. The 4.7 µH value and 4.87 A rating suit moderate-power isolated and non-isolated converters. Consider the 19 mΩ resistance for loss calculations. Verify that the 32 MHz self-resonant frequency aligns with your switching frequency to avoid parasitic resonance issues.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series from Würth Elektronik, which specializes in shielded coupled inductors for DC-DC conversion. The series offers various inductance values and current ratings optimized for modern power electronics. The 744873004 specifically addresses needs for compact, high-current dual-coil implementations in portable and industrial devices.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-DD series offering similar 4.7 µH inductance and comparable current ratings. Verify pinout compatibility and physical dimensions before replacing. Consult official Wurth documentation for approved alternative part numbers.