750813046

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750813046 is a through-hole transformer designed for LED driver AC/DC conversion applications. It belongs to the WE-UNIT series and is optimized for use with TI LM3448 controllers. The component features an inductance of 1.44mH and provides 4500VAC isolation between windings for one second. It operates within a frequency range suitable for offline switching converters and supports a working temperature range from -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Designed specifically for LED driver AC/DC conversion circuits
• Provides high voltage isolation capability for safety compliance
• Optimized for integration with Texas Instruments LM3448 controller ICs
• Through-hole mounting construction for robust mechanical attachment

Switching Converter, SMPS Transformers Applications

• LED lighting power supplies
• Offline AC/DC converter designs
• Circuits utilizing TI LM3448 control architecture

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific package type and pin configuration against your PCB footprint requirements before ordering. Confirm that the 1.44mH inductance value aligns with your target LED driver design parameters. Ensure the through-hole mounting style is compatible with your assembly process. Check for any recent product change notices regarding labeling or material composition updates.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing LED drivers based on the TI LM3448 topology. It is appropriate for applications requiring significant galvanic isolation between primary and secondary sides. Consider the through-hole form factor if surface-mount options are unsuitable for your thermal or mechanical constraints. Validate that the operating frequency range matches your system's switching requirements.

Switching Converter, SMPS Transformers Part Context

This transformer is part of Würth Elektronik's WE-UNIT series, which focuses on integrated solutions for specific controller ecosystems. The 750813046 variant is tailored for offline LED applications, distinguishing it from general-purpose SMPS transformers by its specific tuning for the LM3448 controller family. This specialization aims to simplify design implementation for lighting manufacturers.

Switching Converter, SMPS Transformers Replacement Considerations

No direct public substitute part numbers are confirmed for this specific model. Designers should consult Würth Elektronik for potential alternatives within the WE-UNIT series that match the required inductance and isolation specifications.