Fuji 7MBR100VX120-50 IGBT Module

Fuji Electric 7MBR100VX120-50 | Advanced V-Series PIM for High-Reliability Power Systems

The Fuji Electric 7MBR100VX120-50 is a 1200V, 100A Power Integrated Module (PIM) that embodies the pinnacle of integration and efficiency for modern power conversion systems. Leveraging Fuji's advanced V-Series trench gate field-stop technology, this 7-in-1 module is engineered not just to switch power, but to optimize the entire system's performance, reliability, and thermal footprint. It is the go-to solution for designers working on compact motor drives, industrial automation, and robust UPS systems.

• Model: 7MBR100VX120-50
• Configuration: 7-in-1 PIM (Three-Phase Inverter + Brake Chopper + Three-Phase Rectifier)
• Core Technology: Fuji Electric V-Series IGBT & FWD
• Key Benefit: Reduces system size and assembly complexity while delivering superior thermal performance and low power loss.
• Primary Applications: AC servo drives, small-to-medium power Variable Frequency Drives (VFDs), uninterruptible power supplies, and general-purpose inverters.

Technical Deep Dive: The V-Series Advantage

The exceptional performance of the 7MBR100VX120-50 stems from Fuji's sophisticated V-Series semiconductor technology. This isn't just an incremental update; it's a fundamental redesign focused on solving real-world engineering challenges.

• Optimized Loss Characteristics: The V-Series IGBTs achieve a finely-tuned balance between conduction loss (low VCE(sat)) and switching loss. For the system designer, this translates directly into higher operational efficiency. The reduced heat dissipation allows for smaller, more cost-effective heatsinks and can even enable fanless designs in certain low-power applications, significantly improving system reliability and reducing audible noise.
• Enhanced Thermal Performance: The module incorporates an improved insulating substrate and package design, resulting in lower thermal resistance (Rth). This superior heat transfer capability ensures a lower junction temperature under load, which is critical for extending the module's operational lifespan and increasing its power cycling capability, a key factor in applications with frequent start/stop cycles like servo drives.

Application Scenarios: Solving Industry Pain Points

Simply listing applications isn't enough. Here’s how the 7MBR100VX120-50 brings tangible value to specific fields:

• Servo Drives & Robotics: In precision motion control, dynamic performance is everything. The low switching losses of the V-Series IGBTs enable higher switching frequencies, leading to smoother motor operation and faster response times. The module's high integration simplifies the drive's layout, which is crucial for building the compact, power-dense systems required in modern robotics and automation. Explore our full range of IGBT Modules for your specific design needs.
• Uninterruptible Power Supplies (UPS): System uptime is non-negotiable. The Fuji Electric 7MBR100VX120-50’s inherent reliability, born from its robust thermal management and V-Series ruggedness, ensures continuous operation during critical power backup scenarios. Its high efficiency reduces the cooling load within the UPS cabinet, lowering total cost of ownership (TCO) over the system's lifetime.
• General-Purpose Inverters & Motor Control: For designers of VFDs, this PIM streamlines the power stage design significantly. By integrating the input rectifier, inverter, and brake chopper into a single package, it reduces component count, minimizes PCB trace lengths (lowering parasitic inductance), and simplifies assembly, ultimately accelerating time-to-market.

Key Technical Specifications

Comparative Analysis & Selection Guidance

When evaluating options, engineers might compare the 7MBR100VX120-50 to solutions like Mitsubishi's standard PIMs or building a similar circuit with discrete IGBTs. While a discrete approach offers design flexibility, it introduces significant complexity in layout, gate driving, and thermal management. The 7MBR100VX120-50 excels by providing a pre-optimized, factory-tested solution that guarantees performance and reliability. Compared to older generation PIMs, its V-Series technology offers a clear advantage in efficiency and thermal headroom, making it the superior choice for new designs focused on energy savings and longevity in high-efficiency power systems.

Frequently Asked Questions

• What is the primary benefit of the 7-in-1 PIM configuration?The main advantage is system integration. It combines the three-phase input rectifier, three-phase output inverter, and a brake chopper into one component. This drastically reduces the physical footprint, simplifies the circuit layout, minimizes parasitic inductance, and cuts down on assembly time and cost compared to using seven or more discrete components.
• How does the V-Series technology impact the gate drive design?The Fuji Electric V-Series IGBTs feature well-controlled switching characteristics, which can simplify the gate drive circuit design. Their optimized gate charge (Qg) and internal capacitances help mitigate issues like Miller clamping and reduce the risk of parasitic turn-on, leading to a more robust and reliable gate drive implementation.

For complex applications or further selection assistance, our team of experts is ready to help. Please contact us for tailored advice to ensure you select the optimal power module for your project.