How to Select the Right IGBT Module for Your Application

Selecting the right IGBT (Insulated Gate Bipolar Transistor) module is critical to the performance, reliability, and longevity of your power electronics system. With hundreds of models available from leading manufacturers, making the right choice can be challenging. This guide walks you through the key parameters to consider when selecting an IGBT module.

1. Determine Your Voltage Requirements

The collector-emitter voltage (V_CE) rating of the IGBT module must exceed the peak voltage in your circuit — typically by a safety margin of 1.5x to 2x.

Common voltage classes:

• 600V — Low-voltage drives, UPS, solar inverters
• 1200V — Industrial motor drives, welding equipment
• 1700V — High-power industrial applications
• 3300V / 6500V — Traction, grid-level power conversion

Example: For a 690V AC drive application, a 1200V or 1700V rated module is recommended.

2. Determine Your Current Requirements

Select a module whose continuous collector current (I_C) rating comfortably exceeds your maximum operating current. Consider:

• Ambient temperature (higher temperature = derated current)
• Duty cycle and switching frequency
• Thermal management (heatsink design)

Always refer to the manufacturer's derating curves in the datasheet.

3. Choose the Right Circuit Topology

IGBT modules come in various internal configurations:

4. Consider Switching Frequency

Higher switching frequencies reduce filter size but increase switching losses. Match your IGBT module to your target switching frequency:

• < 5 kHz — Standard IGBT modules
• 5–20 kHz — Fast IGBT modules
• > 20 kHz — High-speed or SiC modules

5. Select the Right Brand for Your Needs

Different manufacturers offer distinct advantages:

• Infineon (EUPEC) — Industry-leading reliability, wide product range, ideal for demanding industrial applications
• Mitsubishi — Excellent IPM modules, strong in servo drives and air conditioning
• Fuji Electric — High-performance IGBT stacks, popular in industrial inverters
• Semikron — Modular design, easy to integrate, strong in renewable energy
• Toshiba — Compact IPM modules, ideal for home appliances and light industrial use

6. Verify Package and Mounting Compatibility

Ensure the module's physical package matches your PCB or heatsink design. Common packages include:

• Standard module (screw terminals)
• Press-pack (high-power applications)
• Intelligent Power Module (IPM) (integrated gate driver and protection)

Choosing the right IGBT module requires careful consideration of voltage, current, topology, switching frequency, brand, and package. At Yaspro Electronic, we stock genuine IGBT modules from 15+ leading brands with fast worldwide shipping and a 365-day warranty.

Need help selecting the right module? Contact our technical team at info@yaspro.com or visit our IGBT Module collection.