750311269

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311269 is a flyback transformer designed for AC/DC converters and switch-mode power supplies. It features primary voltage ratings of 85 to 265V and provides 3750Vrms isolation. The inductance is specified as 600µH at 10kHz, operating at a frequency of 70kHz. Designed for through-hole mounting, the component measures 35.56mm in length, 37.34mm in width, and has a maximum installation height of 34.42mm. It supports an operating temperature range from -40°C to 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Engineered specifically for flyback converter topologies within AC/DC conversion systems.
• Provides high-voltage isolation capability rated at 3750Vrms for safety compliance.
• Optimized for operation at 70kHz switching frequencies with defined primary voltage ranges.

Switching Converter, SMPS Transformers Applications

• AC/DC converter circuits
• Switch-mode power supply (SMPS) designs
• Flyback converter implementations

Switching Converter, SMPS Transformers Procurement Notes

Verify the manufacturer part number 750311269 against official Würth Elektronik documentation to ensure accuracy. Confirm that the required specifications, including 600µH inductance and 3750Vrms isolation, align with the design requirements. Check for any recent product change notices or datasheet corrections referenced in the official resources before finalizing procurement decisions.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing flyback converters requiring 85-265V primary input and robust isolation. Ensure the PCB layout accommodates the through-hole package dimensions of 35.56mm x 37.34mm. Verify thermal management capabilities meet the -40°C to 125°C operating range requirements for the intended application environment.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-FB series by Würth Elektronik, specifically tailored for mid-power applications. It is often associated with the NCL30001 chipset from On Semiconductor for complete control solutions. The component serves as a critical magnetic element in isolated power conversion architectures.

Switching Converter, SMPS Transformers Replacement Considerations

Consult official Würth Elektronik cross-reference lists for verified substitutes. No specific substitute part numbers are confirmed in the provided public data.

Switching Converter, SMPS Transformers FAQ

What is the isolation voltage rating?

The component provides an isolation voltage of 3750Vrms.

What is the operating frequency?

The transformer is designed for an operating frequency of 70kHz.