750311559

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311559 is a surface-mount flyback transformer designed for DC/DC converters within the WE-FB and MID-FLYLT series. It features a single primary winding and dual secondary windings, providing 1500Vrms isolation. The component operates at frequencies between 200 kHz and 300 kHz with an inductance of 175 µH at 10 kHz. Rated for input voltages of 35 V to 75 V and auxiliary voltage of 5 V, it supports a maximum operating temperature of +125°C and minimum of -40°C. The package dimensions are 9.78 mm x 9.14 mm with a maximum height of 10.54 mm.

Switching Converter, SMPS Transformers Feature Summary

• Designed specifically for LT8300-based flyback converter applications
• Provides high-voltage isolation of 1500Vrms between primary and secondary circuits
• Optimized for high-frequency operation ranging from 200 kHz to 300 kHz
• Features dual secondary windings for flexible output configurations

Switching Converter, SMPS Transformers Applications

• Flyback converters
• DC/DC converters
• SMPS transformers

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet revision and EDA model availability before integration. Confirm that the LT8300 chipset compatibility aligns with your current design requirements. Ensure the surface-mount footprint matches your PCB layout constraints. Check for any recent product change notifications regarding material or dimensional updates.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing flyback topologies requiring 1500Vrms isolation and operation above 200 kHz. It is suitable for systems utilizing the LT8300 controller. Consider the 175 µH inductance value and dual secondary configuration for power distribution needs. Verify thermal performance within the -40°C to +125°C range for your environment.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-FB series, specifically the MID-FLYLT sub-series targeting Linear Technology (now Analog Devices) controllers. It serves as a specialized magnetic component for compact, high-efficiency power supply designs. The series emphasizes board-mount solutions for modern switching power applications.

Switching Converter, SMPS Transformers Replacement Considerations

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