Mitsubishi PM400HSA120 IGBT Module

Mitsubishi PM400HSA120 IGBT Module | Robust 1200V Six-Pack for High-Power Inverters

The **Mitsubishi PM400HSA120** is a high-power IGBT module engineered for reliability and performance in demanding power conversion systems. As a cornerstone of Mitsubishi's H-Series, this module integrates six IGBTs in a standard three-phase bridge configuration, offering a robust and field-proven solution for developers of high-current industrial applications.

• Brand: Mitsubishi Electric
• Model: PM400HSA120
• Core Function: 1200V, 400A Six-Pack IGBT Module
• Key Advantage: Exceptional durability, high power density, and optimized thermal performance for simplified system design.
• Typical Applications: Heavy-duty motor drives, large-scale Uninterruptible Power Supplies (UPS), industrial inverters, and welding equipment.

Technical Deep Dive: Where Reliability Meets Performance

The engineering behind the **Mitsubishi PM400HSA120** focuses on two critical areas for high-power electronics: thermal management and electrical efficiency.

• Optimized Vce(sat) and Conduction Losses

  Principle: This module features a low Collector-Emitter Saturation Voltage (IGBT Vce(sat)). By minimizing this voltage drop during the on-state, the module significantly reduces conduction losses, which are the primary source of heat generation in high-current applications.

  Application Value: For system designers, this translates directly to lower operational temperatures, reduced heatsink requirements, and improved overall system efficiency. It allows for more compact mechanical designs and can lower the total cost of ownership by reducing energy consumption and cooling infrastructure needs.

• Industry-Standard H-Series Packaging

  Principle: The **PM400HSA120** utilizes a rugged, industry-standard package with an isolated baseplate. This construction ensures high electrical isolation (2500Vrms) and provides a large, flat surface for excellent thermal contact with a heatsink.

  Application Value: This standardized footprint simplifies both new designs and field replacements, reducing engineering complexity. The inherent robustness of the package makes it highly resistant to mechanical stress and vibration, a crucial factor for equipment deployed in harsh industrial environments.

Application Scenarios: Solving Real-World Challenges

The capabilities of the **Mitsubishi PM400HSA120** make it an ideal component for a range of high-power systems.

• High-Power Motor Drives & VFDs: In variable frequency drives controlling motors over 150kW, the module's 400A rating provides ample headroom. Its thermal stability ensures consistent performance during prolonged high-torque, low-speed operation, preventing overheating and extending the drive's service life.
• Commercial & Industrial UPS Systems: For large UPS units protecting data centers or manufacturing lines, reliability is paramount. The module's proven design as a core component in a three-phase IGBT inverter ensures stable and efficient power conversion, minimizing the risk of downtime during a utility power failure.
• Inverter-Based Welding Equipment: High-current welding demands components that can handle rapid, high-amperage pulses. The PM400HSA120's robust die and low conduction losses allow it to manage these power cycles efficiently, contributing to a stable arc and a high-quality weld.

Key Technical Parameters at a Glance

For a comprehensive technical overview, refer to the [PM400HSA120 Datasheet].

Comparative Analysis & Selection Advice

When evaluating power modules, engineers often compare different series. The **PM400HSA120**, part of the H-Series, is a workhorse known for its ruggedness and cost-effectiveness. In contrast, a newer-generation module, like one from Mitsubishi's G1-Series, might offer lower switching losses and a slightly lower Vce(sat).

Selection Guideline:

• Choose the **PM400HSA120** for applications where mechanical robustness, proven field reliability, and cost-effectiveness are the primary drivers. It is an excellent choice for upgrading existing systems or for new designs in traditional industrial machinery.
• Consider a newer series for cutting-edge applications demanding the absolute highest efficiency and operating at higher switching frequencies, where minimizing switching losses becomes more critical.

Frequently Asked Questions (FAQ)

• Is this module suitable for paralleling?

  Yes, the positive temperature coefficient of the Vce(sat) in the **PM400HSA120** facilitates current sharing, making it suitable for paralleling to achieve higher current ratings. However, careful gate drive and PCB layout design are essential. Explore our full range of IGBT Modules for more options.

• What type of gate driver is recommended for the PM400HSA120?

  A gate driver capable of providing a +15V turn-on voltage and a -8V to -15V turn-off voltage is recommended to ensure strong turn-on and prevent parasitic turn-on events. The driver should also deliver sufficient peak current (typically >5A) for rapid charging/discharging of the gate capacitance.

• How does the integrated freewheeling diode (FWD) perform?

  The FWD co-packaged in this 6-pack IGBT module is optimized for soft recovery characteristics. This minimizes voltage overshoots and reduces electromagnetic interference (EMI), simplifying the design of snubber circuits and EMC filters.

For detailed pricing, availability, or to discuss your specific application needs, please contact us for a personalized quote.