750370040

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750370040 is a surface-mount flyback transformer designed for DC/DC converter applications. It features a primary voltage rating of 18 V to 30 V and a secondary voltage rating of 5 V. The component has a power rating of 5 W with a secondary current rating of 1 A. It offers an inductance of 30 uH and provides 1500Vrms isolation. The package dimensions are 9.78 mm in length, 9.14 mm in width, and 10.54 mm in height. It operates within a temperature range of -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Designed specifically for flyback converter topologies in switching mode power supplies.
• Provides high electrical isolation capability suitable for safety-critical circuits.
• Optimized for integration with specific Linear Technology controller chipsets.

Switching Converter, SMPS Transformers Applications

• Flyback converter implementations
• DC/DC converter modules
• Switching Mode Power Supply (SMPS) designs

Switching Converter, SMPS Transformers Procurement Notes

Verify the manufacturer part number against official Wurth Elektronik documentation to ensure authenticity. Confirm that the received components match the specified WE-FB series characteristics. Check RoHS compliance status as indicated in the latest datasheet revisions. Ensure storage conditions maintain component integrity prior to assembly.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing flyback converters requiring 5 W output power from a 18-30 V input range. It is intended for use with LT3573, LT3574, LT3575, or LT3748 controllers. Consider the physical footprint constraints and thermal requirements for the operating environment up to 125°C.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the Würth Elektronik WE-FB series, which targets compact power supply solutions. The series supports various controller families, providing standardized magnetic components for common switching regulator architectures. It complements other WE-FB parts offering different inductance and power ratings.

Switching Converter, SMPS Transformers Replacement Considerations

Official substitutes include Würth Elektronik part numbers 750370041 and 750370042 within the same WE-FB family. Verify pin compatibility and electrical parameters before substitution. Cross-reference with Linear Technology application notes for validated alternative transformers.