744878100

Arrays, Signal Transformers Overview

The Würth Elektronik 744878100 is a shielded coupled inductor array from the WE-DD series, featuring two integrated coils in a surface-mount package. It offers an inductance of 20 µH in series connection and 5 µH in parallel configuration, with a tolerance of ±20%. The component supports a rated current of 1 A in parallel mode and 500 mA in series mode, while saturation currents reach 2 A (parallel) and 1 A (series). It has a maximum DC resistance of 150 mΩ in parallel operation. The device operates within a temperature range of -40°C to 125°C and measures 7.30 mm x 7.30 mm x 4.00 mm.

Arrays, Signal Transformers Feature Summary

• Integrated dual-coil architecture enabling flexible series or parallel connectivity for customized impedance characteristics
• Shielded magnetic design minimizes electromagnetic interference and crosstalk in dense circuit layouts
• High saturation current capability supports robust performance under varying load conditions

Arrays, Signal Transformers Applications

• SEPIC converter input/output filtering
• Dual-rail power supply decoupling
• Coupled choke applications in synchronous rectification circuits

Arrays, Signal Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct packaging type and tape/reel specifications. Confirm that the lead time aligns with project schedules, as standard delivery periods may vary. Ensure compatibility with automated pick-and-place equipment regarding the non-standard package dimensions and height constraints during assembly planning.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a single footprint to save board space. Consider the parallel versus series connection requirements based on desired inductance and current handling needs. Evaluate the thermal performance at the specified operating temperature range to ensure reliability in high-density environments without additional heatsinking.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of surface-mount coupled inductors from Würth Elektronik. The series is designed for power electronics applications requiring compact, shielded magnetic components. The WE-DD line emphasizes high efficiency and low profile, suitable for modern portable and industrial electronic devices where space optimization is critical.

Arrays, Signal Transformers Replacement Considerations

Check for direct substitutes within the WE-DD series with matching inductance and current ratings. Verify pinout compatibility and physical dimensions before substituting with other manufacturers' coupled inductor arrays. Ensure equivalent shielding effectiveness and thermal characteristics are maintained in alternative designs.