744877002

Arrays, Signal Transformers Overview

The Würth Elektronik 744877002 is a shielded coupled inductor array from the WE-DD series, designed for surface-mount technology. It features two coils with a total inductance of 2.4 µH when connected in series and 1.2 µH in parallel. The component has a maximum DC resistance of 42 mΩ and supports a maximum DC current of 4.2 A. Its physical dimensions are 7.3 mm x 7.3 mm x 4.8 mm, operating within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Shielded wire-wound construction using ferrite core for enhanced magnetic containment
• Dual-coil configuration supporting both series and parallel connectivity options
• Surface-mount design optimized for automated assembly processes

Arrays, Signal Transformers Applications

• DC-DC converter circuits requiring coupled inductance
• Power supply filtering applications
• Signal processing stages needing compact magnetic components

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet version for the 744877002 part number to confirm exact electrical tolerances and thermal characteristics. Ensure compatibility with standard SMD reflow profiles. Cross-reference manufacturer documentation for any recent product change notifications or material updates that may affect performance specifications.

Arrays, Signal Transformers Selection Notes

Select this component when space-constrained designs require coupled inductors with low profile dimensions. The 7.3mm footprint suits high-density PCB layouts. Consider the 4.2A current rating and 42mΩ resistance for efficiency calculations in power conversion stages. Verify thermal management requirements given the 125°C maximum operating temperature limit.

Arrays, Signal Transformers Part Context

This component belongs to the WE-DD series of power chokes manufactured by Würth Elektronik. The series focuses on shielded, wire-wound inductors suitable for demanding power electronics applications. The 744877002 variant specifically offers dual-coil functionality within a compact SMD package, distinguishing it from single-coil counterparts in the same family.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik documentation for confirmed substitute part numbers. Do not assume cross-compatibility with other manufacturers' coupled inductors without verifying pinout, inductance values, and current ratings against the original specification sheet.