Content last revised on August 28, 2026
2MBI100N-120 Fuji Electric Dual IGBT Module: Technical Analysis & Specs
Product Overview & Core Value
High-Efficiency Power Switching for Harsh Industrial Converters
The 2MBI100N-120 dual IGBT module engineered by Fuji Electric integrates two IGBT switches into a compact half-bridge configuration. Featuring key ratings of 1200V collector-emitter voltage, 100A continuous collector current, and low thermal resistance of 0.16°C/W, it handles heavy inductive switching in automated industrial platforms.
Key Benefits: High power density in compact 2-in-1 package; Low internal inductance minimizes voltage ringing.
How does the low-inductance structure impact gate driver selection? It significantly reduces parasitic voltage spikes during high-speed turn-off transitions, allowing engineers to simplify snubber circuit design. What is the key benefit of the low-inductance structure in the 2MBI100N-120? It suppresses voltage overshoots during high-speed switching transitions.
For 400V–690V industrial VFD systems requiring low thermal resistance, this 1200V 100A dual IGBT module offers optimal performance.
Key Parameter Overview
Decoding Thermal and Electrical Metrics for System Reliability
The table below provides functional technical specifications for evaluating the 2MBI100N-120 in inverter topologies.
| Parameter Group | Specification Parameter | Rating / Value | Test Conditions |
|---|---|---|---|
| Maximum Ratings | Collector-Emitter Voltage (VCES) | 1200V | Tj = 25°C |
| Continuous Collector Current (IC) | 100A | Tc = 25°C | |
| Pulsed Collector Current (ICP) | 200A | 1 ms duration | |
| Electrical Characteristics | Collector-Emitter Saturation Voltage (VCE(sat)) | 3.3V (typical) | VGE = 15V, IC = 100A |
| Gate-Emitter Threshold Voltage (VGE(th)) | 4.5V – 7.5V | VCE = 20V, IC = 100mA | |
| Isolation Voltage (Vis) | AC 2500V | 1 minute, terminals to baseplate | |
| Thermal Characteristics | Thermal Resistance, IGBT (Rth(j-c)) | 0.16°C/W | Junction to case per IGBT chip |
| Thermal Resistance, Diode (Rth(j-c)) | 0.43°C/W | Junction to case per diode chip |
Download the 2MBI100N-120 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
Optimizing Power Density in Servo Amplifiers and Industrial VFDs
Engineers designing high-power motor control loops often encounter severe thermal stress and voltage overshoot during heavy load step changes. In industrial variable frequency drives (VFDs) and AC/DC servo drive amplifiers, switching 100A continuous current across high DC bus voltages requires exceptional thermal dissipation. The 0.16°C/W thermal resistance of the 2MBI100N-120 ensures rapid junction heat transfer to the heat sink, preserving operational headroom during duty cycles in high-efficiency inverter systems.
In uninterruptible power supply (UPS) systems and industrial welding power supplies, the integrated anti-parallel diode provides fast reverse-recovery performance with a forward current rating of 100A. This integration mitigates turn-on losses in high-frequency pulse-width modulation (PWM) switching networks. For comprehensive sizing insights, explore the engineer's ultimate guide to IGBT modules.
While the 2MBI100N-120 serves standard 100A inverter configurations, systems requiring reduced output capacity can evaluate the related 2MBI50N-120, whereas higher power industrial drives may evaluate the related 2MBI200N-120 offering a 200A continuous rating.
Technical Deep Dive
Low-Inductance Packaging and Gate-Drive Dynamics Under Inductive Loads
The module structure of the 2MBI100N-120 focuses on minimizing internal stray inductance across high-current paths. When switching a 1200V rail at elevated switching speeds, internal parasitic inductance acts like a tight bottleneck in a high-pressure hydraulic pipe. Any sudden current drop generates an inductive voltage surge across the collector-emitter terminals. By engineering short internal bonding paths, Fuji Electric reduces this overvoltage spike, keeping turn-off voltage trajectories safely inside the Reverse Bias Safe Operating Area (RBSOA).
Thermal management is equally crucial. The baseplate acts like a thermal reservoir absorbing sudden transient energy pulses. With a maximum power dissipation limit of 780W at 25°C case temperature, maintaining an optimized interface thermal paste layer is vital. Implementing detailed heatsink interface guidelines helps prevent thermal runaway in continuous operation. For further thermal design strategies, consult our guide on mastering IGBT thermal management.
Frequently Asked Questions
Addressing Thermal Management, Switching Losses, and Layout Best Practices
How does the Rth(j-c) rating of 0.16°C/W impact heatsink sizing for the 2MBI100N-120?
The low thermal resistance of 0.16°C/W between the IGBT junction and module case allows higher heat flux transfer for a given temperature rise. This enables design engineers to specify smaller heatsinks or maintain lower operating junction temperatures, enhancing system MTBF under continuous peak load conditions.
What gate voltage range is recommended for driving the 2MBI100N-120 safely?
The absolute maximum gate-emitter voltage rating is ±20V, with a threshold range of 4.5V to 7.5V. A standard nominal turn-on voltage of +15V ensures low saturation voltage (VCE(sat) = 3.3V), while a turn-off bias of -5V to -15V prevents parasitic Miller turn-on caused by high dV/dt transients.
What are the recommended terminal torque settings for mounting the module?
Proper mechanical mounting requires a mounting screw torque of 3.5 N·m and terminal torque of 4.5 N·m. Applying uniform torque with high-quality thermal interface material minimizes thermal resistance from baseplate to cooling fin and prevents mechanical stress on internal ceramics.
To request technical datasheets, verify pricing, or explore current stock availability for the 2MBI100N-120, contact our application support team today to support your design and procurement cycles.
