750342860

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750342860 is a surface-mount flyback transformer designed for DC/DC converters, specifically optimized for the MAX17681 chipset. It features an inductance of 80 µH at 50 kHz and supports a primary voltage range of 18 to 36 V with a 24 V auxiliary output at 100 mA. The component provides 1875 Vrms isolation voltage and operates within a temperature range of -40°C to 125°C. Its physical dimensions are 13.34 mm x 15.24 mm with a maximum height of 11.56 mm.

Switching Converter, SMPS Transformers Feature Summary

• Designed for high-voltage isolation applications requiring 1875 Vrms safety rating
• Optimized magnetic coupling for MAX17681 isolated buck converter topology
• Surface mount construction suitable for automated PCB assembly processes

Switching Converter, SMPS Transformers Applications

• Isolated DC/DC converter modules using MAX17681
• Flyback power supply designs requiring high isolation
• Industrial control systems with strict safety isolation requirements

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix (e.g., TR, CT, Digi-Reel) against the required packaging format before purchase. Confirm that the MAX17681 chipset compatibility aligns with the target system design. Ensure the 18-36V primary input range matches the application's power source specifications. Check RoHS compliance documentation if environmental regulations apply to the final product.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing isolated power stages based on the MAX17681 controller. The fixed 80 µH inductance and 1:2.4 turns ratio are tailored for this specific chipset. Consider the 11.56 mm height constraint for enclosure clearance. The wide operating temperature range supports demanding industrial environments.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-FB MID-IMAXIB series from Würth Elektronik. It is part of a specialized line of transformers engineered for specific switching regulator ICs. This series emphasizes compact footprint and high reliability for modern surface-mount power conversion applications.

Switching Converter, SMPS Transformers Replacement Considerations

No public confirmed substitute part numbers are available. The component is specifically tuned for the MAX17681 chipset parameters. Alternative transformers may require redesigning the feedback loop and magnetics to maintain stability and efficiency.