Content last revised on August 5, 2026
Fuji Electric 2MBI200KB-060 Dual IGBT Module: 600V 200A Power Switching Solution
The 2MBI200KB-060 offers a highly optimized thermal path and robust transient current handling, serving as a reliable backbone for high-demand industrial switching. Rated at 600V and 200A, with a junction-to-case thermal resistance of 0.12°C/W, this dual-switch device minimizes conduction losses and heatsink volume. For 600V motor drives prioritizing thermal margin, this 200A module is the optimal choice.
Key Parameter Overview
Decoding the Specs for Enhanced Thermal Reliability
The electrical and thermal specifications of the 2MBI200KB-060 outline its capabilities under standard operating temperatures. This device is structured as a dual-IGBT half-bridge module, commonly used in industrial power conversion systems.
| Absolute Maximum Ratings (at Tc = 25°C) | |||
|---|---|---|---|
| Parameter | Symbol | Maximum Rating | Unit |
| Collector-Emitter Voltage | VCES | 600 | V |
| Gate-Emitter Voltage | VGES | ±20 | V |
| Continuous Collector Current | IC | 200 | A |
| Pulsed Collector Current (1ms) | ICP | 400 | A |
| Continuous Forward Current | IF | 200 | A |
| Pulsed Forward Current | IFP | 400 | A |
| Maximum Junction Temperature | Tj | 150 | °C |
| Isolation Voltage (AC, 1 minute) | Viso | 2500 | V |
| Electrical Characteristics (at Tj = 25°C) | ||||
|---|---|---|---|---|
| Parameter | Symbol | Typical | Maximum | Unit |
| Collector-Emitter Saturation Voltage (chip) | VCE(sat) | 2.0 | 2.4 | V |
| Collector-Emitter Saturation Voltage (terminal) | VCE(sat) | 1.85 | 2.2 | V |
| Zero Gate Voltage Collector Current | ICES | - | 1.0 | mA |
| Gate-Emitter Leakage Current | IGES | - | 200 | nA |
| Gate-Emitter Threshold Voltage | VGE(th) | 6.5 | 7.2 | V |
| Diode Forward On-Voltage (chip) | VF | 1.70 | 2.15 | V |
| Thermal Characteristics | |||
|---|---|---|---|
| Thermal Resistance (per element) | Symbol | Maximum Value | Unit |
| IGBT Junction-to-Case | Rth(j-c) | 0.12 | °C/W |
| Diode Junction-to-Case | Rth(j-c) | 0.20 | °C/W |
| Contact Thermal Resistance (with compound) | Rth(c-f) | 0.025 | °C/W |
Application Scenarios & Value
Achieving System-Level Benefits in High-Frequency Power Conversion
The electrical ratings of the 2MBI200KB-060 make it highly applicable in environments where steady-state power delivery and transient overloads occur simultaneously. Standard applications include industrial AC servo drives, motor control systems, and UPS configurations. Integrating this module requires a comprehensive view of gate drive layout and thermal management strategies to maintain long-term reliability.
Consider an industrial automation setup where an engineer is designing an AC servo drive amplifier. During motor startup or under sudden load changes, the system faces transient overcurrent spikes. The 2MBI200KB-060 addresses this challenge with its high pulsed collector current rating of 400A (1ms duration). This transient capability allows the drive to handle the motor's starting torque demands without triggering premature overcurrent protection faults or risking thermal runaway. Concurrently, the integrated fast-recovery free-wheeling diode mitigates voltage spikes during switching transitions, protecting the IGBT elements from overvoltage stress.
For systems requiring identical current handling in a slightly different package or pin configuration, the related 2MBI200VA-060 provides a VCES of 600V and a continuous collector current of 200A.
Technical Deep Dive
A Closer Look at the Thermal Interface and Conduction Losses
Understanding the internal physics of the 2MBI200KB-060 is essential for optimizing system efficiency. Key design considerations center on the thermal resistance of 0.12°C/W and the collector-emitter saturation voltage VCE(sat) of 2.0V.
To understand the role of the 0.12°C/W thermal resistance Rth(j-c), think of the thermal path as a multi-lane highway. Standard packages with higher resistance act like a bottlenecked exit ramp, backing up heat into the silicon junction. With a low resistance of 0.12°C/W, heat flows smoothly from the chip to the copper baseplate, reducing peak junction temperatures during high-duty switching cycles. What is the continuous collector current rating of the 2MBI200KB-060? It is rated at continuous 200A. What is the isolation voltage of this module? The isolation voltage is 2500V AC for one minute.
Similarly, the collector-emitter saturation voltage VCE(sat) of 2.0V acts like a narrow valve in a high-pressure water pipe. A larger valve opening (lower saturation voltage) means less drag and pressure drop, leading to reduced conduction losses. Keeping this voltage at a typical 2.0V ensures that power dissipation remains low during continuous conduction, protecting the device from heat buildup. Properly sizing the external Gate Drive circuit ensures that the gate voltage stays at ±15V to maintain the device in full saturation, preventing desaturation faults under high collector currents.
During installation, ensuring proper mounting torque is vital to avoid mechanical strain on the module casing. The recommended screw torque for mounting is 3.0 to 5.0 N·m using M5 screws. For further details on preventing failure modes, design engineers can review the guidelines on understanding failure mechanisms and testing procedures.
Frequently Asked Questions
Practical Integration Questions Answered for Hardware Design Engineers
How does the Rth(j-c) of 0.12 °C/W directly impact heatsink selection and overall system power density?
A lower Rth(j-c) of 0.12°C/W means the thermal barrier between the silicon junction and the case is minimal. Under full load, the temperature gradient is small, allowing engineers to use a smaller heatsink while maintaining junction temperatures safely below the maximum 150°C rating. This helps reduce the total volume of the cooling system, directly increasing the overall power density of the converter.
What are the recommended gate drive voltage and gate resistance settings for the 2MBI200KB-060?
For optimal switching performance, a gate drive voltage of ±15V is recommended. The positive 15V ensures the IGBT is fully turned on with low VCE(sat), while the negative gate voltage prevents parasitic turn-on due to Miller capacitance during high dv/dt switching. The gate resistor (typically between 6.8Ω and 15Ω) should be selected to balance turn-on losses against transient voltage spikes caused by stray inductance.
To secure authentic replacement components or alternative modules, please contact our technical sales team for availability and specifications.
