EE70 – Custom Power Magnetics for Inverter Welding and Industrial Applications 

EE70 High-Frequency Transformer – Custom Power Solutions for Inverter and Industrial Applications

The EE70 high-frequency transformer is engineered for demanding power conversion systems, offering superior performance in applications ranging from 8kW to 15kW. With its large ferrite core and optimized E-E structure, the EE70 transformer enables efficient energy transfer, excellent thermal stability, and compact size, making it ideal for modern inverter welding machines, industrial power supplies, and EV charging systems.

This transformer supports switching frequencies between 20kHz and 50kHz, ensuring high efficiency and reduced EMI. Common applications include MIG, TIG, and MMA welding, SMPS, battery chargers, induction heating, and renewable energy inverters.

Trafopsu specializes in custom EE70 transformer solutions tailored to your specific electrical, thermal, and mechanical requirements. From core material selection and winding optimization to insulation design and cooling support, our engineering team ensures reliable, high-performance solutions for industrial environments.

Key Features:

• Power range: 3kW–10kW

• Operating frequency: 20kHz–150kHz

• High-efficiency ferrite core

• Custom winding and insulation options

• Compact and thermally optimized design

• Ideal for inverter welding and industrial power systems