750311688

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311688 is a surface-mount flyback transformer designed for DC/DC converter applications. It features an inductance of 50µH and a turns ratio of 5:1. The component provides 2.5kV isolation voltage and operates within a temperature range of -40°C to +125°C. Primary DC resistance is 0.08Ω, while secondary DC resistance is 0.008Ω. Leakage inductance measures 1.2µH. Secondary rated voltages are 10V and 5V. Dimensions are 17.75mm x 13.46mm x 12.7mm.

Switching Converter, SMPS Transformers Feature Summary

• Designed specifically for LT3748 and LT3575 switching regulator topologies
• Provides high-voltage isolation with 2.5kV rating
• Optimized for surface-mount assembly processes

Switching Converter, SMPS Transformers Applications

• Flyback converters using LT3748 controllers
• Flyback converters using LT3575 controllers
• Isolated DC/DC power supply modules

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version when ordering, as design specifications may be subject to change notices. Confirm that the required isolation voltage and thermal performance align with the target application's safety standards. Ensure the footprint matches the specified 17.75mm x 13.46mm dimensions during PCB layout validation.

Switching Converter, SMPS Transformers Selection Notes

Select this component when utilizing Linear Technology LT3748 or LT3575 drivers requiring a 50µH primary inductance. The 5:1 turns ratio suits specific step-down isolated requirements. Consider the 2.5kV isolation barrier for safety-critical designs. Verify that the 125°C operating temperature meets environmental constraints.

Switching Converter, SMPS Transformers Part Context

This part belongs to the Würth Elektronik WE-FB series of flyback transformers. These components are engineered to complement specific integrated circuit families, ensuring optimal magnetic coupling and efficiency. The series supports various isolation levels and inductance values tailored for industrial and commercial power conversion systems.

Switching Converter, SMPS Transformers Replacement Considerations

Direct substitutes include other Würth Elektronik flyback transformers compatible with LT3748/LT3575 circuits, provided they match the 50µH inductance and 5:1 ratio. Cross-manufacturer replacements require verifying pinout compatibility and electrical parameters such as leakage inductance and isolation ratings.