7MBR100SD060 Fuji Electric 600V 100A PIM IGBT Module

Content last revised on June 18, 2026

Fuji Electric 7MBR100SD060: An Engineer's Guide to this 7-in-1 Power Integrated Module

Introduction: A Compact Powerhouse for Motor Drives

The Fuji Electric 7MBR100SD060 is a highly integrated Power Integrated Module (PIM) engineered for compact and efficient power conversion systems. Delivering a robust 600V | 100A performance, this module consolidates a three-phase converter, inverter, and brake circuit into a single, board-mountable package. This integration simplifies thermal management and accelerates assembly time. The module's design directly addresses the need for space-saving solutions in motor drives and uninterruptible power supplies without compromising on thermal efficiency. For applications demanding higher current in a similar integrated package, the 2MBI200VA-060 provides a 200A alternative.

Application Scenarios & Value

Achieving System-Level Benefits in AC Servo Drives and UPS Systems

The primary value of the 7MBR100SD060 lies in its ability to streamline the design of complex power stages. For an engineer developing an AC servo drive amplifier, the challenge often involves managing multiple discrete components—rectifiers, IGBTs for the inverter, a brake chopper, and their associated thermal interfaces. The 7MBR100SD060 PIM architecture consolidates these seven functions (three-phase rectifier, brake chopper, and three-phase inverter) into one footprint. This not only significantly reduces the PCB real estate required but also minimizes parasitic inductance between stages, which is critical for mitigating voltage overshoot and improving EMC performance. What is the primary benefit of its 7-in-1 design? A drastic reduction in assembly complexity and an inherently more reliable thermal system due to a single, optimized heatsink interface.

Key Parameter Overview

Decoding the Specs for Efficient Power Conversion

The specifications of the 7MBR100SD060 are tailored for balanced performance in variable frequency applications. The low VCE(sat) of 2.2V (typical) at its nominal 100A current is a key indicator of its low conduction loss characteristic. Think of VCE(sat) as the "toll" the current pays to pass through the switch; a lower toll means less energy is wasted as heat, allowing for smaller heatsinks or higher power throughput in thermally constrained designs. This efficiency is crucial for applications like uninterruptible power supplies (UPS), where minimizing standby power loss is a core design requirement.

Download the 7MBR100SD060 datasheet for detailed specifications and performance curves.

Technical Deep Dive

System Integration & Design Simplification

The 7MBR100SD060's "Power Integrated Module" or PIM concept is a strategic design choice that prioritizes system-level simplicity and reliability. By integrating the input rectifier bridge, a dynamic brake circuit, and the output inverter into a single component, designers eliminate the complex task of selecting, sourcing, and qualifying multiple individual power devices. This approach is analogous to using a pre-fabricated structural beam in construction instead of welding multiple smaller pieces on-site. The pre-engineered module ensures optimized internal electrical and thermal pathways, reducing the risk of layout-induced performance issues. For manufacturing, this translates to fewer assembly steps, lower inventory complexity, and ultimately, a faster time-to-market for products like compact Variable Frequency Drives (VFDs).

Frequently Asked Questions (FAQ)

What is the primary advantage of the PIM configuration in the 7MBR100SD060?
The main benefit is the significant reduction in both design complexity and physical space. By integrating the rectifier, brake, and inverter circuits, it simplifies PCB layout, reduces component count, and streamlines the manufacturing process, which is ideal for compact motor drive applications.

How does the built-in brake circuit function?
The integrated brake chopper IGBT is designed to dissipate regenerative energy from a decelerating motor. When the DC bus voltage rises to a set level, the brake circuit activates, diverting the excess energy to an external braking resistor, thus protecting the module and other DC link components from overvoltage conditions.

What are the key considerations for mounting and heatsinking this module?
Proper thermal management is critical. The module requires mounting to a flat heatsink using a thermal interface material to ensure low thermal resistance. The datasheet recommends a mounting torque of 1.3 to 1.7 N·m for the M4 screws to achieve optimal thermal contact without inducing mechanical stress on the module's substrate.

Engineering Perspective

From an engineering standpoint, the 7MBR100SD060 represents a practical solution for power designs up to approximately 30 kW. Its value is not just in its individual electrical characteristics but in its ability to de-risk the development process. The pre-integrated and characterized nature of the module allows design teams to focus on higher-level system aspects like control algorithms and user interface, rather than the intricacies of power stage layout and component matching. This makes it an effective building block for accelerating the deployment of reliable, cost-effective industrial power electronics. For designs requiring a different balance of current and voltage, such as the 7MBR50SB120 (1200V/50A) or the higher-current 7MBR150VR120 (1200V/150A), different trade-offs in system voltage and power output can be achieved.