749196301

Overview

The Würth Elektronik 749196301 is a WE-FLEX flexible transformer designed for board-mount applications in DC/DC switching converters. It features an air-gap construction with a primary inductance of 153.8 µH and a turns ratio of 1:1:1:1:1:1. The component supports a maximum current of 0.02 A and offers an isolation voltage of 500 V. With a primary DC resistance of 0.14 Ω, it is engineered for surface-mount integration within compact power supply architectures.

Feature Summary

• Flexible form factor enables adaptation to constrained mechanical layouts
• Air-gap design stabilizes magnetic performance under load conditions
• High isolation voltage ensures safety compliance in power circuits

Applications

• Board-mount DC/DC converter modules
• Switching mode power supply (SMPS) transformers
• General electronic equipment power stages

Procurement Notes

Verify the specific ordering suffix against the official datasheet to ensure correct electrical characteristics and packaging configuration. Confirm that the requested variant matches the required inductance and current ratings for your specific circuit design before finalizing procurement orders.

Selection Notes

Select this component when a flexible transformer geometry is required for tight spatial constraints in DC/DC conversion. Ensure the 153.8 µH inductance and 0.02 A current rating align with the target converter topology. Verify compatibility with surface-mount assembly processes and thermal management requirements.

Part Context

This part belongs to the WE-FLEX series of flexible transformers from Würth Elektronik. These components are specifically engineered for high-reliability applications where standard rigid transformers cannot fit. The series emphasizes adaptability and robust magnetic performance for modern power electronics.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult manufacturer resources for direct equivalents or cross-reference options based on specific electrical and mechanical constraints.