750311797

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311797 is a surface-mount flyback transformer designed for DC/DC converter applications. It belongs to the WE-FB series and features an isolation voltage of 4000Vrms. The component supports a primary input voltage range of 18V to 100V and provides a secondary auxiliary voltage of 12V. It exhibits an inductance of 14µH at 150kHz and is rated for a current of 2.5A. The package dimensions are 23.11mm x 29.08mm with a maximum height of 11.56mm, suitable for operation between -40°C and 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation of 4000Vrms for safety-critical designs
• Optimized for flyback converter topologies in SMPS applications
• Supports wide input voltage ranges from 18V to 100V
• Designed for surface-mount technology (SMT) assembly

Switching Converter, SMPS Transformers Applications

• DC/DC converter circuits
• Switch-mode power supply (SMPS) designs
• Flyback converter implementations

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix to ensure the correct packaging type, such as cut tape or reel, matches production requirements. Confirm that the manufacturer's standard lead time aligns with project schedules, as delays may occur. Ensure compatibility with LT3573, LT3574, LT3575, or LT3748 controllers if specified by the design. Check RoHS compliance status for regulatory adherence.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing flyback converters requiring 4kV isolation and operation within the 18-100V primary range. The 14µH inductance value must match the controller's timing requirements. Consider the physical footprint of 23.11mm x 29.08mm for PCB layout constraints. Verify thermal performance within the -40°C to 125°C operating range for the intended environment.

Switching Converter, SMPS Transformers Part Context

This part is part of the WE-FB series from Würth Elektronik, specialized for switching converter transformers. It is engineered for robust performance in industrial and commercial power supplies. The component utilizes advanced magnetic materials to minimize losses and ensure efficiency in high-frequency operations up to 150kHz.

Switching Converter, SMPS Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Wurth Elektronik resources for direct replacements or cross-reference guides.