74489430039

Arrays, Signal Transformers Overview

The Würth Elektronik 74489430039 is a shielded coupled inductor array from the WE-TDC series, designed for surface-mount technology. It features two coils with a parallel inductance of 3.9 µH and a series inductance of 15.6 µH. The component has a tolerance of ±30% and a maximum DC resistance of 94 mΩ in parallel configuration. It supports a rated current of 1.6 A (parallel) and 800 mA (series), with saturation currents of 2.55 A and 1.275 A respectively. Dimensions are 8.00 mm x 8.00 mm x 2.10 mm, operating between -40°C and +125°C.

Arrays, Signal Transformers Feature Summary

• Integrated dual-coil design within a single compact SMD package
• Fully shielded magnetic structure to minimize electromagnetic interference
• Optimized for high-frequency power conversion topologies

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Dual-output isolated power supplies
• High-density point-of-load modules

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official Wurth Elektronik documentation to confirm exact electrical tolerances and packaging type. Ensure compatibility with automated pick-and-place equipment regarding the standard tape-and-reel format. Cross-reference thermal performance requirements with system constraints before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when space-constrained designs require coupled inductors for SEPIC or similar topologies. Evaluate the 3.9 µH parallel value against ripple current requirements. Confirm that the 1.6 A RMS rating meets the continuous load demands of the target application circuit without exceeding thermal limits.

Arrays, Signal Transformers Part Context

This part belongs to the WE-TDC series of shielded coupled inductors. These components are engineered for high-efficiency power management applications requiring tight coupling and low profile. The series offers various inductance values within standardized footprints to facilitate modular design approaches in modern electronics manufacturing.

Arrays, Signal Transformers Replacement Considerations

No public confirmed substitute part numbers are available.