744878008

Arrays, Signal Transformers Overview

The Würth Elektronik 744878008 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features two coils with an inductance of 8.2 µH and a tolerance of ±20%. The component has a maximum DC resistance of 0.14 ohms and supports an RMS current of 1.3 A in parallel configuration. Its physical dimensions are 7.3 mm x 7.3 mm x 4 mm, operating within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Dual-coil architecture optimized for SEPIC converter applications
• Shielded construction to minimize electromagnetic interference
• Compact SMD footprint suitable for space-constrained designs

Arrays, Signal Transformers Applications

• SEPIC (Single-Ended Primary Inductor Converter) circuits
• DC-DC power conversion modules
• Telecommunications equipment power supplies

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official Wurth Elektronik documentation to confirm electrical characteristics. Ensure compatibility with automated pick-and-place equipment due to the SMD package type. Cross-reference the datasheet revision date to guarantee alignment with current manufacturing standards and material compositions.

Arrays, Signal Transformers Selection Notes

Select this component when designing non-inverting boost or buck-boost topologies requiring coupled magnetic structures. Evaluate the thermal performance at the specified 1.3 A RMS current limit. Confirm that the 7.3 mm square footprint fits within the PCB layout constraints compared to alternative uncoupled inductors.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of coupled inductors manufactured by Würth Elektronik. The series is specifically engineered for high-efficiency power conversion applications where magnetic coupling reduces component count and improves transient response. It complements other WE-Series magnetics for complete power supply solutions.

Arrays, Signal Transformers Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Designers should consult the manufacturer's RedExpert tool for equivalent components within the WE-DD family or alternative coupled inductor series if availability is constrained.