6MBP7RSL120-03 Fuji Electric IPM, 1200V 75A IGBT Module
An In-Depth Look at the Fuji Electric 6MBP75RSA120-03 IGBT IPM
The Fuji Electric 6MBP75RSA120-03 is a P-Series Intelligent Power Module (IPM) engineered to deliver high operational efficiency by minimizing both conduction and switching losses. Central to its design is the integration of advanced IGBT and FWD chip technologies within a compact package, streamlining the power stage for variable speed drives. This module's electrical characteristics make it a robust component for systems where thermal performance and energy savings are critical design parameters. The inherent low thermal resistance facilitates effective heat dissipation, a key factor for maintaining long-term reliability under demanding industrial workloads.
Data-Informed Selection: 6MBP75RSA120-03 Parameter Snapshot
Evaluating a power module requires a clear, comparative look at its specifications. The data below is provided to support engineers in their component analysis process. For systems that require different current or voltage ratings, the broader Fuji Electric P-Series offers multiple options. For instance, the 6MBP100RSA120-03 provides a higher current capability of 100A within a similar package outline.
This table presents key parameters for the 6MBP75RSA120-03. All data is sourced directly from the manufacturer's documentation for technical accuracy.
| Parameter | 6MBP75RSA120-03 Specification | Engineering Implication |
|---|---|---|
| Collector-Emitter Voltage (Vces) | 1200 V | Provides substantial voltage margin for 400V/480V AC line applications, enhancing robustness against voltage transients. |
| Continuous Collector Current (Ic) | 75 A (at Tc=25°C) | Suitable for driving AC motors typically in the 15 kW to 22 kW power range, depending on operating conditions. |
| Collector-Emitter Saturation Voltage (Vce(sat)) | 2.2 V (Typical, at Tj=125°C, Ic=75A) | A lower Vce(sat) value indicates reduced conduction losses, which directly translates to higher inverter efficiency and less waste heat. |
| Integrated Protections | Overcurrent (OC), Short Circuit (SC), Control Supply Undervoltage (UV), Overtemperature (OT) | Built-in protection circuits simplify external circuitry requirements and provide a safeguard against common fault conditions, improving system reliability. |
Technical Inquiries on the 6MBP75RSA120-03
The following section addresses common engineering questions regarding the practical implementation of the 6MBP75RSA120-03.
- How does the integrated under-voltage (UV) protection on the control supply benefit the system?The UV protection circuit monitors the control supply voltage (Vcc). If this voltage drops below a safe operating threshold, the IPM triggers a fault output and shuts down the IGBT gates. This is a critical safety feature that prevents insufficient gate voltage, which could lead to the IGBTs operating in the linear region. Such a condition would cause excessive power dissipation and potentially catastrophic failure. By integrating this function, the 6MBP75RSA120-03 ensures predictable and safe operation during power-up, power-down, and brownout events.
- What is the primary benefit of this IPM's low thermal resistance?Its low thermal resistance ensures more efficient heat transfer from the semiconductor junctions to the heatsink. This allows the device to run cooler under load, directly improving long-term reliability and allowing for more compact heatsink designs. For more details on thermal performance, you can explore the fundamentals of thermal resistance.
Core Applications: Where Efficiency Translates to Value
The specific performance characteristics of the 6MBP75RSA120-03 make it well-suited for a range of power conversion applications where efficiency and reliability are paramount. Its design focuses on reducing total power loss, which is a significant advantage in systems operating continuously or under heavy loads.
Key Deployment Scenarios
- Industrial Motor Drives: A primary application is in Variable Frequency Drives (VFDs) and servo drives for controlling AC induction or permanent magnet motors. The module's efficiency helps meet increasingly stringent energy standards for industrial equipment.
- Commercial HVAC Systems: In heating, ventilation, and air conditioning systems, this IPM can be used in the inverters that control compressor and fan motors, contributing to significant energy savings over the system's lifecycle.
- Power Conversion Systems: The module is also suitable for general-purpose inverters and power supplies where a compact, integrated, and protected power stage is required to simplify design and assembly.
Best Fit Scenario: For 3-phase motor control applications up to 22 kW requiring a high degree of integration and built-in protection, this IPM offers a compelling balance of performance and design simplification.
Key Electrical and Thermal Specifications
The following tables provide a structured overview of the essential performance parameters of the 6MBP75RSA120-03. All values are derived from the official manufacturer datasheet to ensure accuracy for your design and evaluation processes. For the complete dataset, please refer to the official documentation. Download the Datasheet.
Inverter Part - Absolute Maximum Ratings (at Tj=150°C unless otherwise specified)
- Collector-Emitter Voltage (Vces): 1200V
- Collector Current (Ic): 75A (at Tc=25°C)
- Collector Power Dissipation (Pc): 330W (per IGBT)
- Operating Junction Temperature (Tj): +150°C
Inverter Part - Electrical Characteristics (at Tc=Tj=25°C, Vcc=15V)
- Collector-Emitter Saturation Voltage (Vce(sat)): 1.8V (Typical, Ic=75A)
- Forward Voltage of FWD (Vf): 1.6V (Typical, Ie=75A)
- Switching Time (Turn-on / Turn-off): 0.55 / 0.80 µs (Typical)
Control Part
- Control Supply Voltage (Vcc): 20V (Max)
- Control Supply Current (Icc): 25mA (Typical)
- Fault Output Current (Ifo): 14mA (Max)
Anatomy of Low-Loss Performance
The operational efficiency of the 6MBP75RSA120-03 is not accidental; it is the result of deliberate chip-level and package-level engineering. The module incorporates Fuji Electric's trench gate IGBT technology, which is designed to reduce the collector-emitter saturation voltage (Vce(sat)). This parameter can be compared to mechanical friction; a lower Vce(sat) means less energy is converted into waste heat as current flows through the device. This reduction in conduction loss is especially critical in motor drive applications that experience sustained high-current operation.
Furthermore, the integrated Free Wheeling Diode (FWD) is optimized for soft and fast reverse recovery. This characteristic minimizes switching losses, particularly during the turn-on phase of the opposing IGBT in a half-bridge configuration. By carefully balancing these two primary sources of power loss—conduction and switching—the 6MBP75RSA120-03 enables designers to achieve higher overall system efficiency. A comprehensive understanding of these principles is vital for modern power electronics design, as detailed in this guide to IGBT structure and technology.
Closing Statement
The Fuji Electric 6MBP75RSA120-03 IPM provides an integrated and efficient solution for power conversion systems. Its combination of low-loss semiconductor technology and built-in protection features offers a solid foundation for developing reliable and compact motor drives and inverters. To facilitate your design process, we encourage you to review the official datasheet and contact our technical support for further inquiries regarding your specific application requirements. Our team is prepared to provide the necessary documentation to support your engineering and procurement decisions.
