74489430022

Arrays, Signal Transformers Overview

The Würth Elektronik 74489430022 is a surface-mount shielded coupled inductor from the WE-TDC series. It features two coils with an inductance of 2.2 µH per coil, offering 8.8 µH in series connection and 2.2 µH in parallel connection. The component has a tolerance of ±30% and a maximum DC resistance of 58 mΩ in parallel configuration. It supports a rated current of 1.9 A (parallel) and 950 mA (series), with saturation currents of 3.5 A (parallel) and 1.75 A (series). Operating temperature ranges from -40°C to +125°C within an 8.00mm x 8.00mm x 2.10mm package.

Arrays, Signal Transformers Feature Summary

• Integrated dual-coil design for coupled applications
• Shielded magnetic structure to minimize electromagnetic interference
• Supports both series and parallel electrical configurations

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Dual-output power supply designs
• Coupled inductor arrays

Arrays, Signal Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm exact packaging and reel specifications. Confirm RoHS compliance status directly from the official documentation before procurement. Ensure the selected variant matches the required thermal and electrical ratings for the target application environment.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded coupled inductor is required for SEPIC or similar topologies. Evaluate the 2.2 µH nominal value and 58 mΩ DCR against circuit efficiency requirements. Consider the 8.00mm x 8.00mm footprint for space-constrained PCB layouts requiring dual-channel magnetic coupling.

Arrays, Signal Transformers Part Context

This part belongs to the WE-TDC series of SMD shielded coupled inductors by Würth Elektronik. The series provides various inductance values and current ratings in standardized footprints, designed for high-frequency switching applications requiring magnetic coupling between channels.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-TDC family that match the 2.2 µH specification and 8018 footprint. Verify pin compatibility and electrical parameters such as saturation current and DCR before substituting.