Content last revised on February 9, 2026
2MBI400N-060-01 | 600V 400A Dual IGBT Module for High-Efficiency Inverters
The Fuji Electric 2MBI400N-060-01 is a high-performance dual IGBT module engineered to deliver superior efficiency and reliability in demanding power conversion systems. With core specifications of 600V and 400A, this N-Series module is defined by its exceptionally low collector-emitter saturation voltage (VCE(sat) of 2.2V typical), which is critical for minimizing conduction losses. Key engineering benefits include significantly reduced thermal management requirements and enhanced system robustness. This module directly addresses the need for high-efficiency power stages by providing a low-loss switching solution. For motor drive systems operating up to approximately 20kHz where minimizing conduction loss is the primary design driver, this 400A module is the optimal choice.
Key Parameter Overview
Decoding the Specs for Low-Loss Performance
The electrical and thermal characteristics of the 2MBI400N-060-01 are optimized for high-current applications where performance and reliability are critical. The specifications detailed below underscore the module's capability to operate efficiently under demanding thermal and electrical loads.
| Parameter | Symbol | Test Conditions | Value | Unit |
|---|---|---|---|---|
| Absolute Maximum Ratings (Tc=25°C) | ||||
| Collector-Emitter Voltage | VCES | - | 600 | V |
| Gate-Emitter Voltage | VGES | - | ±20 | V |
| Continuous Collector Current | IC | Tc=80°C | 400 | A |
| Pulsed Collector Current | ICP | 1ms pulse | 800 | A |
| Max. Power Dissipation | PC | - | 1650 | W |
| Electrical Characteristics - IGBT (Tj=25°C) | ||||
| Collector-Emitter Saturation Voltage | VCE(sat) | IC=400A, VGE=15V | 2.2 (Typ) / 2.8 (Max) | V |
| Gate-Emitter Threshold Voltage | VGE(th) | IC=400mA, VCE=10V | 5.5 (Min) / 7.5 (Max) | V |
| Thermal Characteristics | ||||
| Thermal Resistance (Junction to Case) - IGBT | Rth(j-c) | Per IGBT | 0.085 | °C/W |
| Thermal Resistance (Junction to Case) - Diode | Rth(j-c) | Per Diode | 0.15 | °C/W |
| Operating Junction Temperature | Tj | - | +150 | °C |
Application Scenarios & Value
System-Level Benefits in Motor Drives and Power Converters
The 2MBI400N-060-01 is engineered to excel in applications where power density and efficiency are primary design considerations. Its robust thermal and electrical performance makes it a foundational component for a variety of high-power industrial systems.
A primary application is in Variable Frequency Drives (VFDs) for industrial motors. In this context, the low VCE(sat) of 2.2V becomes a decisive factor. During high-torque, low-speed motor operation, conduction losses are the dominant source of heat in the inverter stage. This module's low saturation voltage directly reduces power dissipation (P = VCE(sat) x Ic), leading to lower operating temperatures. This allows engineers to design systems with smaller, more cost-effective heatsinks, or alternatively, to push more power through a similar-sized thermal solution, thereby increasing the overall power density of the VFD. The integrated Free-Wheeling Diode (FWD) is also optimized with a soft-recovery characteristic, which minimizes voltage overshoot and EMI during switching, simplifying the design of external snubber circuits and improving system reliability.
Other key applications include:
- High-power Uninterruptible Power Supplies (UPS)
- AC and DC Servo Drive Amplifiers
- Industrial Welding Power Supplies
- Solar and Wind Power Inverters
For systems that require a lower current rating but similar efficiency characteristics, the related 2MBI300N-060 provides a 300A alternative within the same N-Series family.
Technical Deep Dive
A Closer Look at N-Series Technology and Conduction Loss Reduction
The superior performance of the 2MBI400N-060-01 is rooted in Fuji Electric's N-Series trench gate and field-stop IGBT technology. This design is meticulously optimized to reduce the on-state voltage drop, which is the physical basis for its low VCE(sat). Think of the internal structure of the IGBT as a series of channels for current to flow. The N-Series trench gate design effectively widens these channels and reduces their intrinsic resistance. This is analogous to expanding a highway to allow more traffic to pass with less congestion; in the IGBT, this allows the 400A of collector current to flow with a minimal voltage drop, thereby converting less electrical energy into waste heat. This fundamental advantage in reducing conduction losses is what makes the module highly efficient, especially in applications that involve sustained high current levels, such as the Pulse Width Modulation (PWM) cycles in a motor drive.
Frequently Asked Questions
Engineering Inquiries on Performance and Integration
How does the typical VCE(sat) of 2.2V on the 2MBI400N-060-01 impact thermal design in a VFD?
A lower VCE(sat) directly reduces conduction power loss, which is a major source of heat. With less heat being generated, a smaller, lighter, and more cost-effective heatsink can be used to maintain the junction temperature within safe operating limits. This allows for a more compact and power-dense VFD design.
What is the significance of the integrated soft-recovery Free-Wheeling Diode (FWD) in this module?
The soft-recovery characteristic of the FWD ensures a smoother current transition during the diode's turn-off phase. This minimizes voltage overshoots and high-frequency electromagnetic interference (EMI). For design engineers, this translates to enhanced system reliability and potentially eliminates the need for complex external Snubber Circuit, saving both cost and board space.
To evaluate the 2MBI400N-060-01 for your next high-efficiency power conversion design, or to inquire about specific application support, please contact our technical sales team for a consultation or quote.
