744878220

Arrays, Signal Transformers Overview

The Würth Elektronik 744878220 is a shielded coupled inductor from the WE-DD series, designed for surface-mount technology. It features a 7332 package with dimensions of 7.3mm x 7.3mm x 4.0mm. The component provides an inductance of 22 µH with a tolerance of ±20%. Key electrical specifications include a maximum DC resistance of 0.245 Ohms, a saturation current of 1.5 A in parallel configuration, and an RMS current rating of 700 mA in parallel. It operates within a temperature range of -40°C to +125°C.

Arrays, Signal Transformers Feature Summary

• Shielded coupled inductor design suitable for SEPIC converter applications
• Compact SMD footprint optimized for space-constrained PCB layouts
• High saturation current capability relative to physical size

Arrays, Signal Transformers Applications

• SEPIC (Single-Ended Primary Inductor Converter) circuits
• Buck-Boost power supply topologies
• DC-DC converter input/output filtering

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix against official Wurth Elektronik documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with automated pick-and-place equipment regarding the 7332 package profile. Cross-reference the manufacturer part number with authorized distributor catalogs to validate current availability and lead times before finalizing procurement plans.

Arrays, Signal Transformers Selection Notes

Select this component when designing non-inverting or inverting buck-boost converters requiring a compact magnetic solution. Evaluate the 700 mA RMS current rating against the application's continuous load requirements. Consider the 1.5 A saturation limit for peak current handling during transient conditions. Verify that the 0.245 Ohm DCR meets efficiency targets for the specific circuit topology.

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-performance power conversion applications where size and efficiency are critical constraints. These components utilize advanced magnetic materials to minimize core losses while maintaining structural integrity under thermal stress.

Arrays, Signal Transformers Replacement Considerations

Consult the official Wurth Elektronik datasheet for verified alternative part numbers within the WE-DD family that match the required inductance and current ratings. Do not substitute with generic coupled inductors without verifying pinout compatibility and magnetic performance characteristics.