744877100

Arrays, Signal Transformers Overview

The Würth Elektronik 744877100 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features a dual-coil configuration with a parallel inductance of 10 µH and a tolerance of 20%. The component has a maximum DC resistance of 120 mOhms and supports a maximum RMS current of 1.1 A. Its physical dimensions are 7.3 mm x 7.3 mm x 4.5 mm, operating within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture suitable for SEPIC and multi-output converter topologies
• Shielded construction minimizes electromagnetic interference
• Compact SMD footprint facilitates automated assembly

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Flyback power supplies
• Multi-output buck converters

Arrays, Signal Transformers Procurement Notes

Verify the specific package variant (Reel, Cut Tape, or MouseReel) against project requirements, as availability varies by distributor. Confirm lead times directly with suppliers, as manufacturing cycles may extend up to twenty weeks. Ensure compliance with RoHS directives and validate thermal performance under actual load conditions before finalizing procurement.

Arrays, Signal Transformers Selection Notes

Select this component when designing isolated or non-isolated converters requiring coupled magnetic structures. The 10 µH parallel inductance and 1.1 A current rating define its operational limits. Consider the 7.3 mm square footprint for PCB layout constraints. Verify that the 120 mOhm DCR meets efficiency targets for the specific application current levels.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of coupled inductors manufactured by Würth Elektronik. These components are engineered for high-frequency switching applications, offering a balance between size and power handling. The series is widely used in modern power management solutions where space efficiency and electromagnetic compatibility are critical design factors.

Arrays, Signal Transformers Replacement Considerations

No public substitute part numbers are confirmed in the provided documentation.