74489440012

Arrays, Signal Transformers Overview

The Würth Elektronik 74489440012 is a surface-mount coupled inductor from the WE-TDC series, housed in an SMD size 8038 package measuring 8 mm x 8 mm x 3.8 mm. It features a parallel and series inductance of 1.2 µH with a 30% tolerance. The component supports a maximum DC current of 3.05 A and has a maximum DC resistance of 26 mΩ. It operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil coupled inductor design for compact power circuit integration
• Shielded construction to minimize electromagnetic interference
• Surface mount technology for automated PCB assembly

Arrays, Signal Transformers Applications

• Point-of-load converter modules
• Multi-phase synchronous buck converters
• DC-DC step-down power stages

Arrays, Signal Transformers Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the component meets required RoHS compliance standards for your region. Check for any recent product change notices that may affect pinout or electrical characteristics before finalizing procurement.

Arrays, Signal Transformers Selection Notes

Select this component when designing multi-phase power supplies requiring tight magnetic coupling and low profile. Ensure the PCB layout accommodates the 8x8 mm footprint and thermal requirements for 3.05 A operation. Validate that the 1.2 µH inductance aligns with the target switching frequency and ripple current specifications.

Arrays, Signal Transformers Part Context

This part belongs to the WE-TDC series of shielded coupled inductors designed for high-density power applications. The series offers various inductance values and current ratings in standardized footprints, allowing designers to scale power density while maintaining consistent mechanical dimensions across different voltage rails.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik cross-reference tools for verified substitutes. Ensure any alternative maintains identical 8038 footprint, 1.2 µH value, and 3.05 A current rating to preserve board compatibility and performance.