744871101

Arrays, Signal Transformers Overview

The Würth Elektronik 744871101 is a shielded dual-coil inductor array from the WE-DD series, designed for surface-mount technology (SMD) applications. It features an inductance of 100 µH with a tolerance of ±20%. The component has a DC resistance of 0.36 ohms and supports a current rating of 1.5 A. Its physical dimensions are 12.5 mm x 12.5 mm x 6.5 mm, utilizing a DD 1280 package style.

Arrays, Signal Transformers Feature Summary

• Integrated dual-coil architecture within a single shielded SMD package
• Designed for high-frequency power conversion circuits
• Compact footprint suitable for space-constrained PCB layouts

Arrays, Signal Transformers Applications

• DC-DC converter input/output filtering
• SEPIC and Cuk converter topologies
• Common mode noise suppression in signal lines

Arrays, Signal Transformers Procurement Notes

Verify the specific manufacturer lead time, which may vary by region and distributor channel. Confirm RoHS compliance status and packaging quantity requirements prior to ordering. Ensure the procurement source is an authorized distributor to guarantee component authenticity and traceability. Check for any recent design changes or obsolescence notices directly from Wurth Elektronik before finalizing purchase orders.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded dual-inductor solution is required for synchronous buck or SEPIC converters. The 100 µH value and 1.5 A rating suit moderate power levels. Consider the 0.36 Ω DCR for efficiency calculations. The SMD form factor aids automated assembly. Evaluate thermal performance under continuous load conditions relative to the PCB copper area available for heat dissipation.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of coupled inductors from Wurth Elektronik. These components are engineered for power electronics, offering magnetic shielding to reduce electromagnetic interference. The series provides various inductance values and current ratings to support diverse converter designs, balancing size constraints with electrical performance requirements.

Arrays, Signal Transformers Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Cross-referencing requires matching inductance, current rating, DCR, and package dimensions. Consult manufacturer substitution guides for equivalent performance characteristics.