750811611

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750811611 is a surface-mount offline flyback transformer designed for AC/DC switching mode power supplies and LED drivers. It features 4500Vrms isolation voltage and operates within a frequency range of 68 to 100kHz. The primary winding supports input voltages from 120 to 375V, while the auxiliary winding provides 20V. The component exhibits an inductance of 800µH at 10kHz and measures 21.50mm x 33.80mm with a maximum height of 12.12mm. It functions reliably across a temperature range of -40°C to 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation of 4500Vrms for safety-critical applications
• Optimized for AC/DC converter topologies including LED driver circuits
• Supports wide operating temperature ranges for industrial environments

Switching Converter, SMPS Transformers Applications

• AC/DC Switching Mode Power Supplies (SMPS)
• LED Driver Circuits
• Offline Flyback Converters

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix to ensure correct packaging configuration, such as tape and reel or cut tape options. Confirm that the required isolation ratings and thermal performance align with the target application's safety standards. Check for recent Product Change Notifications regarding marking or material updates before finalizing procurement plans.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing AC/DC converters requiring robust galvanic isolation and compact surface-mount integration. Ensure the primary voltage range matches the rectified line input and that the operating frequency falls within the specified 68-100kHz window. Validate thermal management capabilities against the maximum junction temperature limits defined in the datasheet.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-UNIT MID-OLEFD series of offline transformers manufactured by Würth Elektronik. These components are engineered for general electronic equipment and comply with RoHS3 specifications. The series offers standardized footprints and electrical characteristics suitable for mass production in consumer and industrial power supply designs.

Switching Converter, SMPS Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.