6MBP200RSM120 PIM Module: Engineering Analysis of a 1200V, 200A IGBT for High-Efficiency Drives
An In-Depth Technical Review of the Fuji Electric 6MBP200RSM120 IGBT Module
Content last revised on October 14, 2025.
The Fuji Electric 6MBP200RSM120 is an intelligent power module engineered for superior efficiency in demanding, high-frequency motor control and power conversion applications. It integrates a complete three-phase inverter stage into a single, compact package, featuring key specifications of 1200V and 200A, and leveraging advanced V-Series IGBT technology. This design delivers two critical engineering benefits: significantly reduced switching energy loss and simplified system design through integrated protection features. By integrating a 6-pack IGBT configuration with dedicated control and protection circuits, this module enables the development of compact, reliable, and highly efficient power systems. For motor drives up to 37kW requiring precise thermal feedback and low energy loss, this Power Integrated Module (PIM) is the optimal design choice.
Key Parameter Overview
Decoding the Specs for Low-Loss, High-Frequency Operation
The technical specifications of the 6MBP200RSM120 are tailored to minimize both conduction and switching losses, a critical factor in the design of efficient inverters. The module's performance is defined by the characteristics of its internal V-Series IGBTs and Free Wheeling Diodes (FWD).
| Parameter | Symbol | Condition | Value |
|---|---|---|---|
| Maximum Ratings (Tj=150°C) | |||
| Collector-Emitter Voltage | VCES | - | 1200V |
| Collector Current (DC) | IC | TC=80°C | 200A |
| Collector Current (Pulse) | ICP | - | 400A |
| Collector Power Dissipation | PC | Per IGBT | 1080W |
| Electrical Characteristics (Tj=25°C unless otherwise specified) | |||
| Collector-Emitter Saturation Voltage | VCE(sat) | IC=200A | Typ. 1.8V / Max. 2.3V |
| Gate-Emitter Threshold Voltage | VGE(th) | - | 5.0V to 7.5V |
| Turn-on Switching Loss | Eon | VCC=600V, IC=200A | Typ. 34 mJ/pulse |
| Turn-off Switching Loss | Eoff | VCC=600V, IC=200A | Typ. 44 mJ/pulse |
| Thermal Resistance (Junction-Case) | Rth(j-c) | Per IGBT | Max. 0.116 °C/W |
| NTC Thermistor Resistance | RNTC | 25°C | 50 kΩ ± 5% |
Application Scenarios & Value
System-Level Benefits in Precision Motion Control and Industrial Automation
The 6MBP200RSM120 is particularly well-suited for high-performance Servo Drive and general-purpose inverter applications where power density and efficiency are paramount. Consider the engineering challenge of designing a compact servo amplifier for a robotic arm. High switching frequencies are needed for precise motor control, but this increases switching losses, generating significant heat in a confined space. What is the primary benefit of its integrated design? Simplified thermal management and higher reliability.
The 6MBP200RSM120 directly addresses this challenge. Its low switching losses (Eon/Eoff), a hallmark of the V-Series IGBT technology from Fuji Electric, reduce the total waste heat generated. This allows engineers to use a smaller heatsink, shrinking the overall amplifier footprint. Furthermore, the integrated NTC thermistor provides accurate, real-time temperature data. This feedback is critical for the drive's control loop, enabling robust over-temperature protection that prevents catastrophic failure during high-torque, low-speed maneuvers. This integrated approach to Thermal Management is a key enabler for building powerful yet compact industrial automation systems. While the 200A rating of this module is suited for higher-power servo systems, for smaller axes or auxiliary drives, the related 6MBP75RS120 provides a lower current option within the same family.
FAQ
Engineering Inquiries on Performance and Implementation
How do the integrated protection circuits in the 6MBP200RSM120 simplify the gate drive design?
This module includes built-in gate drive and protection circuits for over-current (OC), short-circuit (SC), under-voltage (UV) of the control power supply, and over-temperature (OT). This high level of integration eliminates the need for numerous external components, reducing PCB complexity, lowering the bill of materials (BOM), and accelerating the design cycle. It transforms a complex discrete design task into a more straightforward system integration.
What is the practical benefit of the built-in NTC thermistor for system reliability in a Variable Frequency Drive (VFD)?
The integrated NTC thermistor provides a direct, accurate measurement of the module's internal temperature. In a Variable Frequency Drive (VFD), this allows the system controller to precisely monitor thermal stress. The controller can then implement intelligent protection strategies, such as derating the output power gracefully if the temperature exceeds a safe limit, rather than an abrupt shutdown. This predictive maintenance capability significantly enhances the long-term reliability and uptime of the entire drive system.
Technical Deep Dive
An Inside Look at Fuji's V-Series IGBT Technology for Reduced Losses
At the heart of the 6MBP200RSM120 lies Fuji Electric’s 6th Generation V-Series IGBT chip technology, which employs an advanced trench gate and field-stop structure. This design is optimized to solve the classic trade-off between collector-emitter saturation voltage (VCE(sat)) and turn-off switching loss (Eoff). The low VCE(sat) of 1.8V (typical) directly reduces conduction losses, which is the energy dissipated as heat while the switch is on. This can be compared to a water valve; a lower VCE(sat) is like a valve that opens wider, allowing current to flow with less resistance and energy loss.
Simultaneously, the optimized chip structure minimizes the "tail current" during turn-off, drastically lowering the Eoff. Understanding Switching Loss is key here. Think of it as the energy wasted each time you flip a physical light switch. A sticky, slow switch wastes more energy as sparks than a crisp, fast-acting one. The V-Series IGBTs act like a very crisp switch, minimizing this "sparking" energy waste during the thousands of on/off cycles per second in a motor drive. This dual improvement in both conduction and switching performance is what enables the module to operate with higher efficiency and reliability, especially in applications pushing the 20 kHz frequency range.
Strategic Outlook
As industrial automation and renewable energy systems push for greater power density and stricter efficiency mandates, highly integrated power modules like the 6MBP200RSM120 become strategic enablers. They represent a shift from discrete component design to system-level integration, allowing engineering teams to focus on higher-level control algorithms and product features rather than the complexities of power stage design and protection. The combination of low-loss V-Series IGBTs and built-in intelligence provides a robust platform for developing next-generation, compact, and highly reliable power conversion systems that meet the demands of a more energy-conscious market.
