744873003

Arrays, Signal Transformers Overview

The Würth Elektronik 744873003 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features a ferrite core and an SMD/SMT termination type within a 1280 package size measuring 12.5 mm x 12.5 mm x 8.5 mm. The component provides an inductance of 3.3 µH in both parallel and series configurations with a tolerance of ±20%. It supports a maximum DC current of 5.14 A and has a maximum DC resistance of 22 mΩ. The device operates reliably between -40°C and +125°C.

Arrays, Signal Transformers Feature Summary

• Shielded coupled inductor design utilizing a ferrite core to minimize electromagnetic interference.
• Dual configuration capability allowing operation in either parallel or series modes with identical inductance values.
• Robust thermal performance rated for continuous operation across an extended temperature range.

Arrays, Signal Transformers Applications

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

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix code against official manufacturer documentation to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with automated pick-and-place equipment regarding the reel or cut tape format. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when a compact footprint is required for coupled inductor applications. The 1280 case size offers a balance between current handling capacity and board space efficiency. Consider the 5.14 A current rating and low DCR for high-efficiency power conversion designs requiring minimal heat dissipation.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of shielded power inductors manufactured by Würth Elektronik. The series is characterized by its use of ferrite cores and suitability for high-frequency switching applications. These components are widely utilized in modern electronic systems where space constraints and electromagnetic compatibility are critical design factors.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. No public substitute part numbers are confirmed in the provided source material.