Fuji 2MBI300U4H-170 | High-Performance 1700V Dual IGBT for Demanding Power Conversion
The Fuji Electric 2MBI300U4H-170 is a high-reliability dual IGBT module engineered for power conversion systems that demand a significant voltage safety margin and robust thermal performance. As a cornerstone of Fuji's H-Series, this 1700V, 300A module provides the durability and efficiency required for high-power industrial applications operating on 600-690V AC lines.
Product Highlights:
- High Blocking Voltage (1700V): Provides a critical safety margin for inverters connected to 690V AC mains, enhancing system reliability and protecting against transient overvoltage events.
- Optimized H-Series Chip Technology: Delivers a well-balanced trade-off between low conduction loss (Vce(sat)) and switching losses, maximizing efficiency in moderate-frequency applications like motor drives.
- Low Thermal Impedance: The package design ensures efficient heat extraction from the IGBT and FWD chips to the heatsink, crucial for maintaining performance and extending operational life under heavy load cycles.
- Industry-Standard Package: Housed in a standard M242 package, facilitating straightforward mechanical integration and drop-in replacement for existing designs.
Technical Deep Dive: The Engineering Behind the 2MBI300U4H-170
The performance of the 2MBI300U4H-170 is rooted in Fuji's targeted semiconductor design. Two characteristics are particularly crucial for design engineers.
The Strategic Advantage of 1700V Capability
While 1200V IGBT modules are common for 400V systems, the 1700V rating of this module is specifically tailored for higher voltage industrial networks. In systems running on 690V AC, the DC bus voltage can approach 1000V. The 1700V Vces rating provides a robust 70% voltage headroom, which is essential for handling DC link overshoots caused by fast switching events and stray inductance. This conservative design margin is a hallmark of highly reliable power systems, preventing catastrophic failures and ensuring long-term operational stability.
Balancing Conduction and Switching Losses
Fuji's H-Series technology is engineered for optimal performance in applications typically operating in the 1-10 kHz range. The module features a low collector-emitter saturation voltage (Vce(sat)), which directly reduces conduction losses—the dominant loss factor in low-frequency, high-current applications. However, this is not achieved at the expense of excessive switching losses. The chip is designed to provide clean, controlled turn-on and turn-off characteristics, managing the total power dissipation effectively. This balance is critical for achieving high overall efficiency in systems like Variable Frequency Drives (VFDs) where the module operates across a range of speeds and loads.
Key Parameter Overview
The following table provides a snapshot of the essential electrical and thermal characteristics. For a comprehensive analysis, Download the full 2MBI300U4H-170 datasheet.
| Parameter | Symbol | Value | Conditions |
|---|---|---|---|
| Collector-Emitter Voltage | VCES | 1700 V | Tj = 25°C |
| Continuous Collector Current | IC | 300 A | TC = 80°C |
| Collector-Emitter Saturation Voltage | VCE(sat) | 2.20 V (typ) / 2.70 V (max) | IC = 300 A, Tj = 125°C |
| Total Power Dissipation | PC | 1560 W | Per IGBT, TC = 25°C |
| Max. Junction Temperature | Tj(max) | 150°C | - |
Application Scenarios & Value Proposition
The robust design of the Fuji 2MBI300U4H-170 makes it a superior choice for several demanding power conversion applications:
- Industrial Motor Drives: In high-power VFDs for manufacturing, mining, and processing plants, this module's reliability and 1700V rating ensure continuous operation of critical machinery on 690V grids.
- Wind Turbine Converters: The module is ideally suited for the grid-side converter in wind power systems. Its high voltage rating and thermal stability are essential for efficiently feeding power into the utility grid while withstanding fluctuating energy inputs. For more details on this application, explore how IGBTs are at the heart of wind-to-grid conversion.
- Large-Scale UPS Systems: For data centers and critical industrial facilities, the 2MBI300U4H-170 provides the core of a highly efficient and dependable Uninterruptible Power Supply, ensuring clean, continuous power.
For expert guidance on integrating the Fuji 2MBI300U4H-170 into your specific application or to inquire about procurement, please contact our technical team.
