750871010

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750871010 is a through-hole flyback transformer designed for AC/DC converters and switch-mode power supplies. It features a WE-UNIT MID-OLSTM series construction with 4000Vrms isolation voltage. The component operates at a frequency of 60kHz and provides an inductance of 3.3mH measured at 10kHz. Primary voltage ratings range from 120 to 385V, while the auxiliary winding delivers 12V at 10mA. The physical dimensions are 20.00mm x 24.00mm with a maximum installation height of 16.13mm. It supports a wide operating temperature range from -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation suitable for offline applications
• Engineered specifically for flyback converter topologies
• Supports wide input voltage ranges for universal AC/DC conversion

Switching Converter, SMPS Transformers Applications

• Offline flyback power transformers
• AC/DC converter circuits
• Switch-mode power supply (SMPS) designs

Switching Converter, SMPS Transformers Procurement Notes

Verify that the specific application requires the designated auxiliary winding configuration of 12V @ 10mA. Confirm that the system design accommodates the 4000Vrms isolation rating and the 60kHz operating frequency. Ensure the PCB layout supports the through-hole package dimensions of 20.00mm x 24.00mm. Check compatibility with the intended controller chipset if specified by the design requirements.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing offline flyback converters requiring robust isolation and specific auxiliary power generation. The fixed inductance of 3.3mH and primary voltage range dictate its suitability for particular power levels. Consider the thermal performance within the -40°C to +125°C range for harsh environments. This part is optimized for use with specific controller chipsets like the VIPer17L.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-UNIT MID-OLSTM series from Würth Elektronik, specialized for offline flyback applications. It is categorized under switching converter transformers and SMPS components. The product is RoHS compliant and carries an MSL level of 1, indicating no moisture sensitivity restrictions during assembly.

Switching Converter, SMPS Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.