750811290

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750811290 is an offline flyback transformer designed for AC/DC switching mode power supplies. It features a dual primary and dual secondary winding configuration suitable for LT3798 controller applications. The component provides 4500Vrms isolation voltage and operates at a frequency of 150kHz. Key electrical parameters include an inductance of 461µH, DC resistance of 0.6Ω, and rated secondary current of 360mA. It supports input voltages from 85V to 265V and delivers an output voltage of 125V.

Switching Converter, SMPS Transformers Feature Summary

• Dual primary and dual secondary winding architecture
• High isolation voltage rating of 4500Vrms
• Designed specifically for LT3798 offline flyback controllers

Switching Converter, SMPS Transformers Applications

• Offline flyback power supply designs
• AC/DC converter modules
• General electronic equipment power systems

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version when ordering, as manufacturer documentation may be updated. Confirm that the dual primary and dual secondary winding configuration matches your schematic requirements. Ensure the 4500Vrms isolation rating meets your safety compliance standards. Cross-reference the 461µH inductance value with your design calculations to ensure proper operation within the intended power range.

Switching Converter, SMPS Transformers Selection Notes

Select this component for applications requiring high isolation and compatibility with LT3798 controllers. The dual winding structure offers flexibility in circuit topology. Consider the 150kHz operating frequency for magnetic component sizing. Verify that the 360mA rated current aligns with load requirements. The through-hole mounting style should be compatible with your PCB assembly process.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-OLLT series of offline flyback transformers from Würth Elektronik. These components are engineered for general electronic equipment and emphasize reliability in isolated power conversion. The series supports various controller architectures, with this specific model optimized for the LT3798 platform.

Switching Converter, SMPS Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Würth Elektronik directly for equivalent alternatives or cross-reference options based on specific electrical and mechanical constraints.