744877101

Arrays, Signal Transformers Overview

The Würth Elektronik 744877101 is a shielded coupled inductor array from the WE-DD series, designed for surface-mount assembly. It features two coils with a nominal inductance of 100 µH and a tolerance of ±20%. The component measures 7.30 mm x 7.30 mm x 4.80 mm. Electrical specifications include a maximum DC resistance of 1.3 Ω in parallel configuration and 1.029 Ω in series. Current ratings are 650 mA (rated) and 900 mA (saturation) for parallel operation, and 325 mA (rated) and 450 mA (saturation) for series operation. It operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture enabling flexible series or parallel circuit integration
• Shielded magnetic structure to minimize electromagnetic interference
• High-temperature stability suitable for demanding thermal environments

Arrays, Signal Transformers Applications

• SEPIC converter input/output filtering
• Coupled inductor power supply designs
• DC-DC converter energy storage stages

Arrays, Signal Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct packaging and tape-and-reel specifications. Confirm that the requested quantity aligns with standard shipping formats such as cut tape or reel. Cross-reference the part number with the latest product change notices to validate material and packaging consistency before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when a compact dual-inductor solution is required for coupled applications. Evaluate the saturation current limits relative to peak load conditions in both series and parallel configurations. Ensure the physical footprint of 7.30 mm square fits the available PCB real estate constraints while maintaining adequate clearance for thermal dissipation during high-current operation.

Arrays, Signal Transformers Part Context

This component belongs to the WE-DD series of power chokes manufactured by Würth Elektronik. The series specializes in shielded coupled inductors optimized for space-constrained power electronics. These devices are engineered to provide high performance in minimal footprints, supporting modern trends toward miniaturization in portable and industrial electronic equipment design.

Arrays, Signal Transformers Replacement Considerations

Consult official distributor databases for cross-references. Verify pinout compatibility and electrical equivalence if substituting with other WE-DD variants or competitor coupled inductors.