750318257

Switching Converter, SMPS Transformers Overview

The Würth Elektronik part number 750318257 is a flyback transformer designed for surface mount technology (SMT) applications. It features a single primary winding and dual secondary windings, suitable for isolated power conversion circuits. The component operates within a frequency range of 100 kHz to 300 kHz and supports a maximum operating temperature of +125°C with a minimum of -40°C. Key electrical specifications include a primary voltage rating of 28 V, a secondary voltage rating of 250 V, and a power rating of 25 W. The device has an inductance of 37 uH and a secondary current rating of 100 mA. Physically, it measures 27.03 mm in length, 32.31 mm in width, and 13.69 mm in height, utilizing a reel or cut tape packaging format.

Switching Converter, SMPS Transformers Feature Summary

• Dual secondary winding configuration for flexible output requirements
• High thermal stability supporting operation up to +125°C
• Surface mount design compatible with automated assembly processes

Switching Converter, SMPS Transformers Applications

• Isolated DC-DC converter designs
• Flyback power supply architectures
• Industrial control system power stages

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version for 750318257 to confirm exact pinout and electrical tolerances before integration. Ensure that the selected supplier provides original manufacturer documentation to validate RoHS compliance and lead-free status. Cross-reference the physical dimensions against the PCB footprint library to guarantee mechanical fit. Confirm that the operating frequency range aligns with the intended switching controller specifications.

Switching Converter, SMPS Transformers Selection Notes

Select this component when a flyback topology requires high isolation voltage with a 28 V primary input. The dual secondary winding option allows for multiple output rails from a single magnetic component. Consider the 37 uH inductance value for energy storage requirements in the target circuit. The SMT package facilitates compact board layouts where space constraints are critical. Verify thermal management capabilities given the +125°C maximum rating.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-FB series, which focuses on flyback applications for power electronics. The series emphasizes reliability and compactness for modern switching power supplies. Würth Elektronik integrates these components into broader power management solutions, offering design support through simulation tools like RedExpert®. The product line targets industrial and commercial sectors requiring robust isolated power conversion.

Switching Converter, SMPS Transformers Replacement Considerations

Publicly confirmed substitute part numbers for 750318257 are not available in the provided source data. Consult official Wurth Elektronik channels for direct equivalents or updated series replacements.