750811614

Switching Converter, SMPS Transformers Overview

Würth Elektronik part number 750811614 is a through-hole power transformer from the MID-OLEFD series, designed for AC/DC converter and LED driver applications. It features an EFD20 core with 800µH inductance at 10kHz. The unit provides 4500Vrms isolation voltage and operates within a frequency range of 68 to 120kHz. It supports a primary voltage of 120 to 375V and auxiliary voltage of 20V. The component functions as an offline transformer for switch-mode power supplies (SMPS) and is rated for a working temperature range of -40°C to 125°C.

Switching Converter, SMPS Transformers Feature Summary

• Through-hole mounting configuration for robust PCB integration
• High isolation voltage rating of 4500Vrms for safety compliance
• Optimized for flyback converter topologies in SMPS designs

Switching Converter, SMPS Transformers Applications

• Offline switch-mode power supplies (SMPS)
• LED driver circuits
• AC/DC conversion modules

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific package type and pinout against the official datasheet before ordering, as through-hole variants differ significantly from surface-mount equivalents. Confirm that the 800µH inductance value aligns with your circuit design requirements. Ensure the 4500Vrms isolation rating meets the safety standards required by your target application market. Cross-reference the MID-OLEFD series specifications to validate thermal performance under expected load conditions.

Switching Converter, SMPS Transformers Selection Notes

Select this component when a through-hole solution is required for high-voltage isolation in AC/DC or LED driver applications. The 800µH inductance and EFD20 core size make it suitable for moderate power levels in offline converters. Consider the physical dimensions and lead spacing to ensure compatibility with your PCB layout. Verify that the operating frequency range of 68-120kHz matches your switching controller specifications.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to Würth Elektronik's MID-OLEFD series, which offers various inductance values and core sizes for different power applications. The 750811614 variant specifically targets through-hole implementations, distinguishing it from the surface-mount options available in the same family. It is engineered for reliability in industrial and commercial power supply environments.

Switching Converter, SMPS Transformers Replacement Considerations

Check for other MID-OLEFD series parts with similar inductance and isolation ratings if exact substitution is needed. Ensure any alternative maintains the through-hole form factor and EFD20 core geometry. Verify that the replacement part meets the same 4500Vrms isolation and temperature rating requirements.

Switching Converter, SMPS Transformers FAQ

What is the isolation voltage rating of the 750811614?

The component has an isolation voltage rating of 4500Vrms.

Is this transformer suitable for surface mount assembly?

No, the 750811614 is a through-hole device designed for standard PCB drilling and soldering processes.

What is the inductance value specified for this part?

The inductance is 800µH measured at 10kHz.