750311573

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311573 is a surface-mount flyback transformer designed for DC/DC converters and switch-mode power supplies (SMPS). It operates within a frequency range of 200 to 300 kHz and provides 1500 Vrms isolation between primary and secondary circuits. The component features an inductance of 200 µH at 10 kHz, with a primary voltage rating of 35 to 75 V and an auxiliary voltage of 5 V. It supports a working temperature range from -40°C to +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides galvanic isolation between primary and secondary circuits for energy storage and transfer.
• Optimized for high-frequency operation in switch-mode power supply applications.
• Designed for surface-mount technology integration.

Switching Converter, SMPS Transformers Applications

• Flyback converters for DC/DC conversion
• Switch-mode power supplies (SMPS)
• Isolated power regulation circuits

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging configuration. Confirm that the selected variant matches the required isolation voltage and inductance specifications for your circuit design. Cross-reference the component code with authorized distributors to validate authenticity and traceability before finalizing procurement orders.

Switching Converter, SMPS Transformers Selection Notes

Select this component based on the required 1500 Vrms isolation level and 200-300 kHz operating frequency. Ensure the PCB layout accommodates the surface-mount package dimensions. Verify thermal management requirements given the -40°C to +125°C operating range. Confirm compatibility with the target DC/DC converter topology and input voltage constraints.

Switching Converter, SMPS Transformers Part Context

This part belongs to the Würth Elektronik WE-FB series of flyback transformers. These components are engineered specifically for isolated power conversion applications requiring compact surface-mount solutions. The series offers various inductance and isolation options tailored for modern SMPS designs.

Switching Converter, SMPS Transformers Replacement Considerations

Consult the official Wurth Elektronik documentation for verified substitute part numbers within the WE-FB series. Ensure any replacement maintains identical isolation ratings, inductance values, and physical footprint compatibility.