744873680

Arrays, Signal Transformers Overview

The Würth Elektronik 744873680 is a shielded surface-mount coupled inductor from the WE-DD series. It features two coils with an inductance of 68 µH in parallel and 272 µH in series. The component has a DC resistance of 0.19 ohms, an RMS current rating of 1.66 A, and a saturation current of 2.8 A. Its dimensions are 12.5 mm x 12.5 mm x 8.5 mm, operating between -40°C and +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture providing flexible series or parallel connection options
• Shielded magnetic design to minimize electromagnetic interference
• High-current capability suitable for power conversion stages

Arrays, Signal Transformers Applications

• SEPIC converter designs
• Buck-boost power supply circuits
• Isolated DC-DC converter topologies

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix and tolerance requirements against the official datasheet before ordering. Confirm that the package dimensions and pinout match the target PCB footprint. Ensure the thermal management strategy supports the specified current ratings at the maximum operating temperature.

Arrays, Signal Transformers Selection Notes

Select this component when a coupled inductor with high current handling is required for non-isolated or isolated topologies. Compare the 68 µH parallel value against circuit simulation results. Evaluate the 12.5 mm square footprint against available board space constraints.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of power chokes designed for high-efficiency applications. The series utilizes advanced core materials to achieve low losses. It is manufactured by Würth Elektronik, a specialist in passive electronic components.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-DD series with matching inductance and current ratings. Verify mechanical compatibility if replacing in existing assemblies.

Arrays, Signal Transformers FAQ

What is the inductance value when the coils are connected in series?

The inductance is 272 µH when the two coils are connected in series.

What is the saturation current for this component?

The saturation current is 2.8 A.