750317493

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750317493 is an auxiliary gate drive transformer designed for high-voltage isolation in switching power supply applications. It features a turns ratio of 1:1.07:1.07 and a minimum primary inductance of 0.9 mH at 100 kHz. The component provides 4500 Vrms isolation capability, ensuring robust safety barriers between circuit sections. It utilizes a surface mount package with a DC resistance of 0.290 Ohms and parasitic capacitance of 5 pF. This design supports efficient signal transmission in general electronic equipment while maintaining compact form factors.

Switching Converter, SMPS Transformers Feature Summary

• Provides high-voltage electrical isolation rated at 4500 Vrms for safe operation in isolated circuits
• Engineered specifically as an auxiliary gate drive transformer for SMPS topologies
• Features a precise 1:1.07:1.07 turns ratio to support accurate signal coupling
• Utilizes surface mount technology for automated assembly and space-constrained designs

Switching Converter, SMPS Transformers Applications

• Auxiliary gate driving in flyback converters
• Isolated power supply control circuits
• General electronic equipment requiring galvanic isolation

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version when ordering, as engineering change notices may update mechanical drawings or marking details. Confirm that the surface mount footprint matches the target PCB layout. Ensure the 4500 Vrms isolation rating meets the safety requirements of the end application. Check for RoHS compliance status if restricted substances are a concern for the manufacturing process.

Switching Converter, SMPS Transformers Selection Notes

Select this component when a dedicated auxiliary gate drive solution is required rather than a standard signal transformer. The 4500 Vrms isolation makes it suitable for higher voltage primary-to-secondary boundaries. Consider the 0.9 mH minimum inductance for low-frequency signal integrity. The surface mount format is ideal for modern SMT production lines compared to through-hole alternatives.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-AGDT series from Würth Elektronik, which focuses on auxiliary gate drive transformers. These components are distinct from main power transformers, serving instead to transmit control signals across isolation barriers. The series addresses the need for reliable, compact magnetic solutions in modern switch-mode power supplies where space and efficiency are critical constraints.

Switching Converter, SMPS Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and isolation voltage ratings before considering any alternative components from other manufacturers.