750841243

Switching Converter, SMPS Transformers Overview

The Würth Elektronik part number 750841243 is a through-hole power transformer belonging to the WE-FB and MID-OLT8 series. Designed for AC/DC SMPS applications, it features 3000Vrms isolation voltage and operates at a frequency of 85kHz. The primary voltage range is 85 to 265V, with an auxiliary output of 20V at 50mA. It has an inductance of 270µH measured at 10kHz and a DC resistance of 0.30 Ohms. The component measures 22.50mm x 47.00mm x 12.12mm and functions within a temperature range of -40°C to 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation of 3000Vrms for safety in switch-mode power supplies.
• Optimized for LED driver and AC/DC SMPS topologies.
• Features robust thermal performance suitable for industrial environments.

Switching Converter, SMPS Transformers Applications

• LED Drivers
• AC/DC Switching Mode Power Supplies (SMPS)
• General Isolated Power Conversion

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version before integration, as manufacturer specifications may undergo updates. Confirm that the through-hole footprint dimensions align with your PCB layout constraints. Ensure the operating environment stays within the specified -40°C to 125°C range to maintain reliability. Check for any recent product change notifications regarding material composition or packaging.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing isolated power stages requiring 3000Vrms dielectric strength. It is suitable for applications needing an auxiliary winding for bias supply. Consider the physical size of 22.50mm x 47.00mm during mechanical design. Verify that the 85kHz switching frequency matches your controller's capabilities.

Switching Converter, SMPS Transformers Part Context

This transformer is part of Würth Elektronik's WE-FB series, which focuses on board-mount power transformers. The MID-OLT8 designation indicates specific core geometry and winding configurations optimized for efficiency and isolation. It complements other magnetic components in the Wurth portfolio for complete power supply designs.

Switching Converter, SMPS Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacements must be sourced from official manufacturer channels or verified equivalent datasheets.