750311715

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311715 is a flyback transformer designed for DC/DC converter applications, specifically optimized for the LT3748 controller. It features a single primary winding and operates within a primary voltage range of 60 to 600V or 94 VAC to 940 VAC depending on configuration. The component provides 2000Vrms isolation and supports an inductance of 280µH at 10kHz. It is available in surface mount packages with dimensions of 27.03mm x 32.31mm and a maximum height of 13.82mm.

Switching Converter, SMPS Transformers Feature Summary

• Designed for high-voltage flyback converter topologies
• Provides robust 2000Vrms electrical isolation
• Optimized integration with LT3748 switching controllers

Switching Converter, SMPS Transformers Applications

• Isolated DC/DC power supply modules
• High-voltage LED drivers
• Industrial control power systems

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet revision and pinout configuration before procurement, as manufacturer documentation may indicate variations in primary voltage ratings or inductance values across different production batches. Confirm RoHS compliance status directly from the official Wurth Elektronik data sheet for the specific part number to ensure regulatory adherence for your target market.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing isolated flyback converters requiring high input voltage ranges and significant galvanic isolation. Ensure the PCB footprint matches the specified 27.03mm by 32.31mm dimensions. Verify that the thermal management strategy accommodates the operating temperature range of -40°C to +125°C and that the core saturation characteristics align with the LT3748 controller's current limits.

Switching Converter, SMPS Transformers Part Context

This component belongs to the WE-FB series of flyback transformers from Würth Elektronik. These components are engineered for board-mount applications in switch-mode power supplies. The series emphasizes compact form factors suitable for modern electronics while maintaining high reliability and performance standards required for industrial and commercial power conversion designs.

Switching Converter, SMPS Transformers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers must evaluate alternative flyback transformers based on matching inductance, isolation voltage, physical footprint, and controller compatibility rather than direct cross-referencing.