744878003

Arrays, Signal Transformers Overview

The Würth Elektronik 744878003 is a shielded dual-coil power inductor from the WE-DD series, designed for surface-mount applications. It features an inductance of 3.3 µH with a tolerance of ±20%. The component supports a rated current of 1 A in parallel connection and 500 mA in series connection. Its maximum DC resistance is 52 mΩ in parallel configuration. The unit operates within a temperature range of -40°C to +125°C and measures 7.30 mm x 7.30 mm x 4.00 mm.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture optimized for coupled inductor applications
• Shielded magnetic structure to minimize electromagnetic interference
• Supports both series and parallel coil configurations
• High saturation current capability for robust power handling

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Flyback converter designs
• Multi-output buck converter topologies

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official Wurth Elektronik documentation to confirm electrical characteristics and packaging type. Ensure compatibility with automated pick-and-place equipment by checking reel specifications. Confirm RoHS compliance status through the latest manufacturer datasheet before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when designing SEPIC or flyback converters requiring coupled inductance. Evaluate thermal performance based on the specified operating temperature range. Compare series versus parallel connection requirements against circuit topology needs to ensure adequate current handling and inductance values are met.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of dual-coil power inductors manufactured by Würth Elektronik. These components are engineered for high-efficiency power management systems. The series provides various inductance values and current ratings to suit diverse industrial and consumer electronic power supply designs.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternatives. Cross-reference pinout and footprint dimensions to ensure mechanical compatibility. Verify that replacement parts meet identical electrical specifications and thermal ratings.

Arrays, Signal Transformers FAQ

What is the maximum DC resistance of the 744878003?

The maximum DC resistance is 52 mΩ in the parallel connection configuration.

Is the 744878003 suitable for automotive applications?

The provided documentation does not specify AEC-Q200 qualification for this specific model number.