749196321

Overview

The Würth Elektronik part number 749196321 is a WE-FLEX flexible transformer designed for configurable DC/DC switching power supplies. It features an air gap and provides 500VDC isolation between windings. The component has a primary inductance of 14.2µH, a saturation current of 0.63A, and a primary resistance of 140mΩ. It utilizes a 1:1:1:1:1:1 turns ratio and is available in surface mount packaging.

Feature Summary

• Flexible design suitable for configurable DC/DC converter applications
• Provides high voltage isolation with 500VDC rating
• Incorporates an air gap to support specific magnetic characteristics

Applications

• Configurable DC/DC converters
• Switching mode power supplies (SMPS)
• Telecom transformers

Procurement Notes

Verify the exact package dimensions and pin configuration against the official datasheet before PCB layout finalization. Confirm that the 14.2µH inductance and 0.63A current ratings align with the target power supply design requirements. Ensure compatibility with the intended assembly process for surface mount components.

Selection Notes

Select this component when a flexible transformer with 500VDC isolation is required for DC/DC conversion. The 14.2µH primary inductance and 140mΩ resistance define its electrical performance. Consider the physical size constraints and the need for an air gap in the magnetic core structure during the selection process.

Part Context

This component belongs to the WE-FLEX series from Würth Elektronik, which specializes in flexible transformers for power electronics. These parts are engineered to offer design flexibility for various converter topologies while maintaining reliable performance in demanding environments.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.