750311402

Overview

The Würth Elektronik 750311402 is a through-hole flyback transformer designed for AC/DC converters and LED drivers. It features 4000Vrms isolation and operates at a frequency of 60kHz. The component has an inductance of 1.48mH measured at 10kHz. Primary voltage ratings range from 120V to 375V. Physical dimensions are 17.96mm x 20.30mm with a maximum height of 14.43mm. It supports operating temperatures between -40°C and 125°C.

Feature Summary

• Provides high-voltage isolation suitable for safety-critical power supply designs
• Engineered specifically for compatibility with NXP SSL2101 and SSL2102 controller ICs
• Supports wide input voltage ranges for universal AC/DC conversion applications

Applications

• LED driver circuits
• AC/DC switched-mode power supplies (SMPS)
• Offline power converter systems

Procurement Notes

Verify the manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the specific revision matches the required NXP chip group compatibility. Check datasheet updates for any recent design or specification corrections prior to final procurement decisions.

Selection Notes

Select this component when designing flyback converters using NXP SSL2101 or SSL2102 controllers. Ensure the application requires 4000Vrms isolation and operates within the specified 60kHz frequency range. Verify that the physical footprint fits the PCB layout constraints for through-hole mounting.

Part Context

This transformer belongs to the WE-UNIT and WE-FB product families from Würth Elektronik. These series are optimized for offline and flyback power transformer applications, providing reliable performance for industrial and commercial power conversion systems requiring robust isolation characteristics.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.