744877220

Arrays, Signal Transformers Overview

The Würth Elektronik 744877220 is a shielded coupled inductor from the WE-DD series, designed for surface-mount applications. It features an SMD size of 7345 with dimensions of 7.3 mm x 7.3 mm x 4.8 mm. The component provides an inductance of 22 µH with a tolerance of 20%. Key electrical specifications include a maximum DC current (Irms) of 800 mA and a saturation current of 1.8 A. The DC resistance in parallel configuration is 0.26 ohms max, while the self-resonant frequency is 16 MHz.

Arrays, Signal Transformers Feature Summary

• Shielded coupled inductor design to minimize electromagnetic interference
• Surface-mount construction for automated assembly integration
• Dual-coil array configuration within a compact footprint

Arrays, Signal Transformers Applications

• DC-DC converter input/output filtering
• Power supply noise suppression circuits
• Signal integrity enhancement in mixed-signal boards

Arrays, Signal Transformers Procurement Notes

Verify the specific package variant and pin configuration against the official datasheet before procurement. Ensure that the required current ratings align with the system's operational demands. Confirm compatibility with standard reflow soldering profiles to maintain component integrity during assembly processes.

Arrays, Signal Transformers Selection Notes

Select this component when space constraints require a compact coupled inductor solution. Consider the 22 µH value and 800 mA current rating for appropriate power handling needs. Evaluate the 0.26 ohm DC resistance impact on overall circuit efficiency and thermal management requirements.

Arrays, Signal Transformers Part Context

This part belongs to the WE-DD series of coupled inductors manufactured by Würth Elektronik. These components are engineered for high-performance power electronics applications requiring reliable magnetic coupling in a small form factor. The series supports various inductance values to meet diverse circuit design specifications.

Arrays, Signal Transformers Replacement Considerations

Consult manufacturer cross-reference lists for verified substitutes. Ensure replacement parts match the 7345 footprint, 22 µH inductance, and 800 mA current rating. Verify equivalent shielding characteristics and self-resonant frequency performance.