Mitsubishi CM450DX-24T | 7th Gen CSTBT™ for Unmatched Power Efficiency
The Mitsubishi CM450DX-24T is a high-performance 1200V, 450A half-bridge IGBT module engineered for the most demanding power conversion applications. Leveraging Mitsubishi Electric's proprietary 7th generation CSTBT™ (Carrier Stored Trench-gate Bipolar Transistor) technology, this module is not just a component, but a cornerstone for building highly efficient and exceptionally reliable industrial systems. It is the definitive choice for designers of high-power motor drives, renewable energy inverters, and large-scale UPS systems who require a balance of low power loss and robust operational longevity.
Technical Deep-Dive: The Engineering Behind Superior Performance
- 7th Generation CSTBT™ Technology: At the heart of the CM450DX-24T lies the advanced Mitsubishi CSTBT™ structure. This technology introduces a carrier-stored layer beneath the N-drift layer, which dramatically optimizes carrier concentration during operation. The direct benefit is a significantly reduced collector-emitter saturation voltage (Vce(sat)). For system designers, this translates into substantially lower conduction losses, meaning less waste heat, smaller heatsink requirements, and a major boost in overall system efficiency.
- Optimized Thermal Management and Reliability: The CM450DX-24T is constructed on a high-conductivity copper baseplate coupled with an AlN (Aluminum Nitride) insulator. This combination provides an exceptionally low thermal resistance path (Rth(j-c)), ensuring efficient heat evacuation from the IGBT and FWD chips. This superior thermal design not only allows for operation at higher power densities but also drastically improves the module's power and thermal cycling capabilities, leading to a longer, more predictable service life in harsh industrial environments.
Application Focus: Where the CM450DX-24T Excels
The unique characteristics of the Mitsubishi CM450DX-24T provide tangible advantages across several high-power sectors:
- High-Power Industrial Motor Drives: In large variable frequency drives (VFDs) and servo systems, efficiency is paramount. The low Vce(sat) of the CM450DX-24T minimizes heat generation within the power stack, enhancing the drive's reliability and often allowing for more compact, fan-less, or smaller-fan cabinet designs, reducing both upfront and operational costs.
- Renewable Energy Inverters (Solar & Wind): For utility-scale solar and wind power inverters, every percentage point of efficiency impacts the Levelized Cost of Energy (LCOE). The high efficiency of this IGBT Module maximizes energy harvest. Its robust thermal cycling withstands the intermittent nature of renewable sources, ensuring grid stability and long-term asset performance.
- Uninterruptible Power Supplies (UPS): In data centers and critical facilities, the CM450DX-24T enables the design of highly efficient online double-conversion UPS systems. Lower power losses directly reduce cooling costs and the total cost of ownership (TCO) over the system's lifetime.
- Welding & Induction Heating Equipment: These applications subject components to intense current and rapid thermal cycles. The module's robust build and excellent thermal dissipation capabilities ensure precise power delivery and operational stability, preventing premature failure in demanding production lines.
Mitsubishi CM450DX-24T at a Glance
| Parameter | Value |
|---|---|
| Collector-Emitter Voltage (VCES) | 1200 V |
| Collector Current (IC) | 450 A |
| Collector-Emitter Saturation Voltage (Vce(sat)) (Typ. @ Tj=125°C) | 1.75 V |
| Maximum Junction Temperature (Tj max) | 175 °C |
| Package Configuration | 2-in-1 (Half-Bridge Topology) |
For complete specifications, please refer to the official CM450DX-24T Datasheet.
FAQ / Common Questions
- Q1: How does the 7th Gen CSTBT™ compare to standard Field-Stop Trench IGBTs?While both are advanced technologies, the CSTBT™ structure is specifically engineered by Mitsubishi to achieve an industry-leading low Vce(sat) for a given switching performance. This makes it exceptionally suited for applications where conduction losses are the dominant factor, such as high-current, lower-frequency industrial inverters.
- Q2: Is the CM450DX-24T suitable for paralleling?Yes. Mitsubishi T-Series modules, including the CM450DX-24T, are designed with tightly controlled parameters and a positive temperature coefficient for Vce(sat), which facilitates stable current sharing when modules are paralleled for higher power output. However, careful gate drive and layout design are crucial.
For system designs requiring the pinnacle of efficiency and proven reliability in the high-power range, the Mitsubishi CM450DX-24T stands out as a premier engineering choice. To discuss your specific application needs or to compare this module against other solutions, explore our comprehensive portfolio of IGBT modules. Our technical specialists are available to provide support and help you optimize your next power conversion project. Contact us for a quote or detailed consultation.
