750313747

Switching Converter, SMPS Transformers Overview

The Würth Elektronik part number 750313747 is a WE-UNIT MID-OLTI series offline transformer designed for AC/DC converters and SMPS applications. It features through-hole mounting with 3500Vrms isolation voltage and operates within a frequency range of 68 to 110 kHz. The component has an inductance of 960 uH, supports primary voltages from 85 V to 265 V AC, and delivers secondary outputs of 5 V, 12 V, or 15 V DC. It functions at switching frequencies between 68 kHz and 110 kHz with a maximum operating temperature of +125°C.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage isolation rated at 3500Vrms for safety compliance in offline power supplies.
• Engineered specifically for flyback converter topologies in switch-mode power supply designs.
• Supports wide input voltage ranges suitable for universal AC line applications.

Switching Converter, SMPS Transformers Applications

• Offline AC/DC converters
• Switch-mode power supplies (SMPS)
• Flyback transformer circuits

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific secondary voltage configuration required, as the datasheet indicates availability in 5 V, 12 V, and 15 V variants. Confirm that the through-hole package dimensions match the target PCB footprint. Ensure the selected variant meets the specific isolation and inductance requirements for the intended power stage design before finalizing procurement.

Switching Converter, SMPS Transformers Selection Notes

Select this component for designs requiring robust isolation in offline applications. The 960 uH inductance suits moderate power levels typical of general-purpose adapters. Consider the thermal rating of +125°C for high-temperature environments. Validate that the 68–110 kHz operating range aligns with the controller IC’s switching frequency specifications to ensure optimal efficiency and performance.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the WE-UNIT MID-OLTI series by Würth Elektronik, targeting medium-power offline applications. It complements the manufacturer's portfolio of passive components for intelligent power systems. The series is designed to support compact and reliable power conversion solutions across various industrial and consumer electronics sectors.

Switching Converter, SMPS Transformers Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-reference electrical parameters such as inductance, isolation voltage, and pinout geometry when evaluating alternative components from other manufacturers.