744871330

Arrays, Signal Transformers Overview

The Würth Elektronik 744871330 is a shielded coupled inductor array from the WE-DD series, designed for surface-mount technology. It features two coils with a total inductance of 66 µH in series and 16.5 µH in parallel. The component has a maximum DC resistance of 170 mΩ in parallel configuration. Rated currents are 600 mA (series) and 1.2 A (parallel), with saturation currents of 1.4 A (series) and 2.8 A (parallel). It operates within a temperature range of -40°C to +125°C and utilizes an iron core.

Arrays, Signal Transformers Feature Summary

• Dual-coil coupled inductor array architecture
• Shielded magnetic design to minimize electromagnetic interference
• Configurable series or parallel connection options
• High-temperature operation capability up to 125°C

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Buck-boost power supply designs
• Coupled inductor filter applications

Arrays, Signal Transformers Procurement Notes

Verify the specific package variant and tolerance requirements against the official datasheet before ordering. Confirm that the lead time aligns with project schedules, as manufacturing cycles may vary. Ensure compatibility with automated pick-and-place equipment regarding the SMD footprint dimensions.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded coupled inductor is required for non-isolated DC-DC converters. Evaluate the parallel versus series inductance values based on the specific circuit topology. Consider the saturation current ratings to ensure adequate headroom for peak load conditions.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of power inductors manufactured by Würth Elektronik. The series is characterized by its shielded structure and suitability for high-frequency switching applications. The 744871330 specifically addresses needs for dual-winding configurations in space-constrained PCB layouts.

Arrays, Signal Transformers Replacement Considerations

Cross-reference with other WE-DD series parts for similar inductance and current ratings. Verify pinout compatibility and physical dimensions if substituting with components from different manufacturers.