744870003

Arrays, Signal Transformers Overview

The Würth Elektronik 744870003 is a shielded coupled inductor array from the WE-DD series, designed for surface-mount technology. It features two coils with a nominal inductance of 3.3 µH per coil. In parallel connection, it provides 1.65 µH inductance with a rated current of 7.1 A and saturation current of 12 A. In series connection, it offers 6.6 µH inductance with a rated current of 3.55 A and saturation current of 6 A. The maximum DC resistance is 21 mΩ in parallel configuration. The component operates within a temperature range of -40°C to 125°C and has dimensions of 12.50mm x 12.50mm x 8.50mm.

Arrays, Signal Transformers Feature Summary

• Dual-coil coupled inductor architecture optimized for SEPIC converter applications
• Shielded magnetic structure to minimize electromagnetic interference
• Flexible connectivity supporting both series and parallel circuit configurations

Arrays, Signal Transformers Applications

• SEPIC (Single-Ended Primary Inductor Converter) power supply designs
• DC-DC step-up/step-down voltage regulation circuits
• Power management modules requiring coupled magnetic components

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix code against the manufacturer's official datasheet to confirm electrical characteristics and pinout compatibility. Ensure that the ordering information matches the required package type and tape-and-reel specifications for automated assembly processes. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when designing SEPIC converters that require coupled inductors with high current handling capabilities. Evaluate the parallel versus series connection requirements based on the target input and output voltage ranges. Consider the physical footprint constraints and thermal performance needs relative to the available board space and ambient operating conditions.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of shielded coupled inductors manufactured by Würth Elektronik. The series is specifically engineered for high-efficiency power conversion applications. These components are characterized by their robust construction and suitability for automated surface-mount assembly processes in modern electronic manufacturing.

Arrays, Signal Transformers Replacement Considerations

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