749196121

Overview

The Würth Elektronik 749196121 is a WE-FLEX flexible transformer designed for DC/DC converter applications. It features surface mount installation and provides 500VAC isolation voltage. The component operates within a temperature range of -40°C to +125°C. It is RoHS compliant and classified under switching converter transformers.

Feature Summary

• Configurable design for flexible power supply applications
• Provides 500VAC electrical isolation
• Optimized for DC/DC switching mode power supplies

Applications

• DC/DC converters
• Switching Mode Power Supplies (SMPS)
• Flexible power supply configurations

Procurement Notes

Verify the specific datasheet version for the 749196121 part number, as WE-FLEX series components often have multiple variants with distinct electrical parameters. Confirm that the 500VAC isolation rating matches your system requirements. Ensure the surface mount footprint dimensions align with your PCB layout constraints before finalizing procurement.

Selection Notes

Select this component when a configurable transformer solution is required for DC/DC conversion. The WE-FLEX series allows for tailored magnetic designs. Consider the operating temperature range and isolation voltage requirements. Verify compatibility with the specific switching frequency and power levels of the target SMPS application during the design phase.

Part Context

This component belongs to the Würth Elektronik WE-FLEX series, which specializes in flexible transformers for switch-mode power supplies. The series offers customizable magnetic solutions to meet specific design needs. The 749196121 variant is specifically configured for board-mount applications requiring robust isolation and thermal performance.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Direct replacement requires verifying identical electrical characteristics, pinout configuration, and mechanical dimensions against the original design specifications.