744874101

Arrays, Signal Transformers Overview

The Würth Elektronik 744874101 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features two coils with a parallel inductance of 50 µH and a series inductance of 200 µH, both with a ±20% tolerance. The component has a maximum DC resistance of 320 mΩ in parallel configuration. It supports a rated current of 1.2 A in parallel and 600 mA in series, with saturation currents of 1.7 A (parallel) and 850 mA (series). The physical dimensions are 12.5 mm x 12.5 mm x 6.5 mm, operating between -40°C and +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture providing flexible series or parallel connection options
• Shielded ferrite core construction to minimize electromagnetic interference
• Compact SMD footprint suitable for high-density PCB layouts

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Flyback transformer alternatives
• DC-DC switching regulator input/output filtering

Arrays, Signal Transformers Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before integration. Confirm that the package marking aligns with the manufacturer's latest Product Change Notification records. Ensure the selected reel or cut tape quantity matches production requirements without relying on distributor stock claims. Cross-reference the part number against official Wurth Elektronik catalogs to avoid counterfeit components.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-winding inductor is required for isolated or non-isolated topologies needing precise coupling. Compare the 50 µH parallel value against circuit simulation results for ripple current handling. Evaluate the 320 mΩ DCR impact on overall efficiency at the target load current. Ensure the 12.5 mm square footprint fits within the available board space constraints.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of shielded power inductors. These components utilize a composite ferrite core and are optimized for high-frequency switching applications. The series offers various inductance values and current ratings within standardized SMD packages to support diverse power supply designs.

Arrays, Signal Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.