MG17450WB-BN4MM

Overview

The Littelfuse MG17450WB-BN4MM is a 1700V, 450A IGBT power module utilizing trench+field stop technology. It features an integrated gate resistor of 1.7 Ω and operates with a maximum junction temperature of 150°C. The device includes a free-wheeling diode with EMCON 3 technology for fast reverse recovery. Electrical characteristics include a collector-emitter saturation voltage of 2.45 V at 450 A and 25°C. Thermal resistance from junction to case is 0.055 K/W for the IGBT and 0.10 K/W for the diode. The module weighs 350 g and supports AC motor control and inverter applications.

Feature Summary

• IGBT chip utilizes Trench+Field Stop technology for low turn-off losses and short tail current.
• Diode chip employs EMCON 3 technology providing fast and soft reverse recovery characteristics.
• Collector-emitter saturation voltage exhibits a positive temperature coefficient.
• Integrated gate resistor simplifies driver circuit design.

Applications

• AC motor control
• Motion and servo control systems
• Photovoltaic and fuel cell inverters
• Industrial power supplies

Procurement Notes

Verify component authenticity by checking the lot number and QR code on the module surface against official Littelfuse records. Confirm that the gold or nickel coating on the foot pins matches the specific batch requirements. Ensure thermal interface materials are compatible with the recommended mounting torque specifications to maintain optimal heat dissipation performance.

Selection Notes

Select this module for high-power applications requiring robust overcurrent handling and efficient switching. Consider the 1700V rating for medium-voltage industrial systems. Evaluate the thermal resistance values to determine appropriate heatsink sizing. Verify that the drive voltage range aligns with the specified gate-emitter threshold and saturation parameters for reliable operation.

Part Context

This component belongs to the Littelfuse MG series of high-power IGBT modules designed for demanding industrial environments. The WB package type indicates a specific wafer configuration optimized for thermal management and mechanical stability. The BN4MM suffix denotes the assembly site and specific manufacturing lot details, ensuring traceability throughout the supply chain.

Replacement Considerations

Direct replacements must match the 1700V voltage rating and 450A current capacity. Verify pin compatibility and thermal resistance values to ensure seamless integration into existing PCB layouts and cooling systems without redesigning the mechanical structure.

FAQ

What is the maximum operating junction temperature?

The maximum operating junction temperature is 125°C, while the absolute maximum limit is 150°C.

Does the module include an integrated gate resistor?

Yes, the module features an integrated gate resistor with a typical value of 1.7 Ω.

What technology is used for the free-wheeling diode?

The diode uses EMCON 3 technology, which provides fast and soft reverse recovery characteristics.