750811914

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750811914 is a surface-mount offline transformer designed for AC/DC switching mode power supplies. It belongs to the MID-OLEFD series, utilizing EFD20 core geometry. The component features a primary voltage range of 120 to 375V and an auxiliary voltage of 20V. It provides 4500Vrms isolation and operates within a frequency range of 68 to 140kHz. The inductance is specified as 800µH at 10kHz. The device supports a working temperature range from -40°C to 125°C and is packaged in tape and reel format.

Switching Converter, SMPS Transformers Feature Summary

• Surface mount construction optimized for automated PCB assembly processes
• High voltage isolation capability ensuring safety compliance in offline applications
• Wide operating temperature range suitable for demanding thermal environments

Switching Converter, SMPS Transformers Applications

• LED driver circuits
• AC/DC switching mode power supplies
• Offline converter topologies

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct packaging configuration. Confirm that the requested quantity aligns with the standard manufacturing pack size. Check for any recent product change notifications regarding labeling or material composition updates prior to finalizing the purchase order.

Switching Converter, SMPS Transformers Selection Notes

Select this component based on the required 800µH inductance value and the 68 to 140kHz operating frequency range. Ensure the design accommodates the physical dimensions of approximately 21.50mm by 33.80mm. Verify that the 4500Vrms isolation rating meets the safety requirements of the target application circuit.

Switching Converter, SMPS Transformers Part Context

This part is part of the MID-OLEFD series from Würth Elektronik, which focuses on high-performance surface-mount transformers. The series utilizes EFD20 core structures to provide efficient magnetic coupling in compact footprints. These components are engineered specifically for modern SMPS designs requiring robust isolation and reliable performance.

Switching Converter, SMPS Transformers Replacement Considerations

Cross-reference alternative part numbers only if they match the exact 800µH inductance, EFD20 package dimensions, and 4500Vrms isolation specifications. Verify pinout compatibility and electrical characteristics before substitution.