750311689

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311689 is a surface-mount flyback transformer designed for DC/DC converter applications. It features a single primary winding and dual secondary windings, providing an isolation voltage of 2500Vrms. The component operates at frequencies up to 100kHz with an inductance of 50µH measured at 10kHz. It supports a primary voltage rating of 36V and includes an auxiliary output of 10V at 20mA. The device is housed in a compact SMD package measuring 13.46mm by 17.75mm with a maximum height of 12.83mm, suitable for automated assembly processes.

Switching Converter, SMPS Transformers Feature Summary

• Designed specifically for flyback converter topologies within switching mode power supplies
• Provides high electrical isolation between primary and secondary circuits
• Includes an integrated auxiliary winding for controller power supply
• Optimized for compatibility with specific Linear Technology controller families

Switching Converter, SMPS Transformers Applications

• DC/DC converter modules
• Switching mode power supplies (SMPS)
• Flyback converter designs using LT3573, LT3574, LT3575, or LT3748 controllers

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 RoHS compliance status and moisture sensitivity level. Check for any recent product change notices regarding packaging or labeling updates before integration into production lines.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing flyback converters requiring 2500Vrms isolation and operation around 100kHz. Ensure the target application utilizes compatible controllers from the specified Linear Technology series. Verify that the board layout accommodates the specified footprint dimensions and that thermal management aligns with the operating temperature range.

Switching Converter, SMPS Transformers Part Context

This component belongs to the WE-FB series of power transformers manufactured by Würth Elektronik. These transformers are engineered for board-mounted applications in electronic power conversion systems. The series provides standardized solutions for various voltage and power requirements in modern electronics.

Switching Converter, SMPS Transformers Replacement Considerations

Consult official Wurth Elektronik substitution guides for verified alternative part numbers. Generic cross-references may not maintain identical electrical characteristics or pinout configurations.