744878002

Arrays, Signal Transformers Overview

The Würth Elektronik 744878002 is a shielded two-coil inductor array from the WE-DD series, designed for surface-mount applications. It features a non-standard package measuring 7.30mm x 7.30mm with a height of 4.00mm. The component provides an inductance of 4.8 µH when connected in series and 1.2 µH in parallel, with a tolerance of ±20%. It supports a rated current of 3.6 A in parallel configuration and 1.8 A in series, while saturation currents reach 4.8 A (parallel) and 2.4 A (series). The maximum DC resistance is 52 mΩ in parallel mode, operating within a temperature range of -40°C to 125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture enabling flexible series or parallel connectivity for customized circuit requirements
• Shielded construction minimizes electromagnetic interference and magnetic flux leakage
• High saturation current capabilities support demanding power conversion loads

Arrays, Signal Transformers Applications

• SEPIC converter circuits requiring coupled inductors
• Power supply designs utilizing dual-inductor configurations
• Applications necessitating compact shielded magnetic components

Arrays, Signal Transformers Procurement Notes

Verify the specific ordering suffix to ensure correct packaging format, such as tape and reel or cut tape, matches assembly line requirements. Confirm that the non-standard footprint dimensions align precisely with the PCB layout. Ensure thermal management strategies account for the specified operating temperature range and DC resistance characteristics during operation.

Arrays, Signal Transformers Selection Notes

Select this component when a shielded dual-coil solution is required for space-constrained power designs. Evaluate whether series or parallel connection modes better suit the target inductance and current specifications. Consider the physical dimensions and mounting type compatibility with existing surface-mount processes and board real estate constraints.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of shielded coupled inductors from Würth Elektronik. The series offers various pin layouts, including crossed and straight options, to provide design flexibility. These components are engineered for high-performance power applications where magnetic shielding and compact form factors are critical for system efficiency and noise reduction.

Arrays, Signal Transformers Replacement Considerations

Check datasheets for alternative WE-DD variants with similar inductance values and current ratings. Verify mechanical footprint compatibility before substitution. Ensure electrical parameters such as saturation current and DC resistance meet or exceed original design requirements.