760871543

Switching Converter, SMPS Transformers Overview

The Würth Elektronik part number 760871543 is a WE-UOST series universal offline power transformer designed for board mounting. It features an inductance of 1.31 mH at 100 kHz and supports primary voltages ranging from 85 V to 265 V AC. The device provides 4000 Vrms isolation voltage and operates within a frequency range of 60 Hz to 150 kHz. It has a maximum current rating of 0.8 A with a winding resistance of 450 mOhm. The component is housed in a surface mount package measuring 16.60 mm x 20.06 mm x 14.00 mm and functions reliably across a temperature range of -40°C to 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation of 4000 Vrms for safety-critical applications
• Designed for universal offline standard switching mode power supplies
• Optimized for LED drivers and AC/DC converter topologies

Switching Converter, SMPS Transformers Applications

• LED driver circuits
• AC/DC switching mode power supplies (SMPS)
• Universal offline power conversion systems

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet revision when sourcing, as design improvements may alter physical dimensions or electrical tolerances. Confirm that the required isolation voltage and thermal performance align with the target equipment's safety standards. Ensure the surface mount footprint matches the PCB layout constraints before finalizing procurement decisions.

Switching Converter, SMPS Transformers Selection Notes

Select this component for designs requiring robust isolation in compact AC/DC converters. The wide operating temperature range suits industrial environments. Consider the 1.31 mH inductance value relative to the desired switching frequency to ensure proper energy transfer efficiency in the target power supply topology.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-UOST series, which targets universal offline applications. It serves as a key magnetic component in isolated power stages, replacing traditional through-hole variants with a surface mount solution to facilitate automated assembly and reduce overall system profile height.

Switching Converter, SMPS Transformers Replacement Considerations

Direct substitutes include other Wurth Elektronik WE-UOST series transformers with matching 1.31 mH inductance and 4000 Vrms isolation ratings. Verify pinout compatibility and mechanical envelope dimensions before swapping with generic equivalents.