744877001

Arrays, Signal Transformers Overview

The Würth Elektronik 744877001 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features an inductance of 1.8 µH with a tolerance of ±20%. The component supports a maximum DC current of 4.7 A and has a maximum DC resistance of 34 mΩ. Its physical dimensions are 7.3 mm x 7.3 mm x 4.5 mm. The operating temperature range extends from -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Shielded dual-coil construction minimizes electromagnetic interference
• Suitable for SEPIC converter topologies
• Compatible with flyback and multi-output buck converter designs

Arrays, Signal Transformers Applications

• SEPIC converter circuits
• Flyback power supply designs
• Multi-output buck converter systems

Arrays, Signal Transformers Procurement Notes

Verify the specific manufacturer datasheet for the 744877001 to confirm RoHS compliance status and detailed electrical characteristics. Ensure the ordering suffix matches the required packaging format, such as cut tape or reel, as specified by the supplier. Cross-reference the part number against official Wurth Elektronik documentation to validate availability and production lead times before finalizing procurement plans.

Arrays, Signal Transformers Selection Notes

Select this component when designing SEPIC, flyback, or multi-output buck converters requiring a compact shielded coupled inductor. The 1.8 µH value and 4.7 A current rating define its operational limits. Verify that the 7.3x7.3 mm footprint fits the PCB layout constraints and that the thermal performance meets the application's requirements within the -40°C to +125°C range.

Arrays, Signal Transformers Part Context

This component belongs to the WE-DD series of SMT shielded coupled inductors manufactured by Würth Elektronik. These devices are engineered for general electronic equipment applications. The series provides integrated magnetic shielding to reduce noise coupling in dense circuit layouts.

Arrays, Signal Transformers Replacement Considerations

Consult official Wurth Elektronik documentation for verified substitute part numbers within the WE-DD series or other compatible coupled inductor families. Do not assume functional equivalence based on generic specifications alone.