750310799

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750310799 is a surface-mount flyback transformer designed for isolated DC/DC converter applications. It features a primary voltage range of 10 to 30V and provides 1500Vrms isolation. The component has an inductance of 25µH at 10kHz and supports a maximum operating temperature of 125°C. Its physical dimensions are 9.78mm x 9.14mm with a maximum height of 10.67mm. It is part of the WE-FB series and is intended for use with specific Linear Technology controller chips.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation suitable for safety-critical isolated power designs
• Optimized specifically for compatibility with LT3573, LT3574, LT3575, and LT3748 controllers
• Supports compact surface-mount installation for automated PCB assembly

Switching Converter, SMPS Transformers Applications

• Isolated DC/DC converter circuits
• SMPS (Switched-Mode Power Supply) transformers
• Flyback converter topologies
• Sensor interface power supplies

Switching Converter, SMPS Transformers Procurement Notes

Verify the manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the required isolation voltage and inductance values match the design specifications. Check for any recent Product Change Notices (PCN) regarding packaging or marking updates. Ensure the selected variant meets the thermal requirements for the intended operating environment.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing isolated power stages using LT3573/LT3574/LT3575/LT3748 controllers. It is appropriate for applications requiring 1500Vrms isolation and a primary voltage between 10V and 30V. Consider the 25µH inductance value and 125°C temperature rating during thermal management planning. Ensure the SMD footprint matches the PCB layout constraints.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-FB series from Würth Elektronik, which specializes in flyback transformers for switch-mode power supplies. The series is engineered for high reliability and efficiency in isolated power conversion. It complements other components in the ecosystem by providing standardized magnetic solutions for common controller architectures.

Switching Converter, SMPS Transformers FAQ

Which controller chips is this transformer compatible with?

It is designed for use with LT3573, LT3574, LT3575, and LT3748 controllers.

What is the isolation voltage rating?

The component provides 1500Vrms isolation between primary and secondary windings.