Content last revised on February 26, 2026
CM200DY-28H Mitsubishi IGBT Module | 1400V 200A Dual Switch Engineering Analysis
The CM200DY-28H is a high-performance IGBT Module manufactured by Mitsubishi Electric, designed specifically for heavy-duty industrial power conversion. Operating with a 1400V collector-emitter voltage and a 200A continuous collector current, this dual-switch module provides the necessary voltage headroom for 575V AC line applications where standard 1200V components may lack sufficient safety margins. Its isolated design and low-inductance internal layout are optimized for Variable Frequency Drives (VFD) and high-reliability UPS systems.
Top Specs: 1400V | 200A | Dual IGBT (Half-Bridge)
Key Benefits: Enhanced voltage safety margin for 575V AC lines; superior thermal cycling endurance for 24/7 industrial loads.
What is the primary benefit of the 1400V rating over standard 1200V modules? It provides a critical 200V overhead for 575V AC systems, effectively preventing catastrophic breakdown during transient voltage surges or regenerative braking phases. For industrial motor drives in 575V AC environments, the CM200DY-28H offers superior voltage headroom compared to standard 1200V modules.
Key Parameter Overview
Decoding the Specs for Enhanced Thermal Reliability
Understanding the technical specifications of the CM200DY-28H is essential for proper heatsink selection and gate drive design. The VCE(sat) and Rth(j-c) values directly dictate the efficiency and longevity of the power stage.
| Parameter Category | Symbol | Official Specification | Engineering Significance |
|---|---|---|---|
| Collector-Emitter Voltage | Vces | 1400V | High safety margin for 575V AC line inputs. |
| Collector Current | Ic | 200A | Sufficient for medium-power motor control. |
| Saturation Voltage | Vce(sat) | 2.8V (Typ.) | Influences conduction loss during the 'ON' state. |
| Thermal Resistance | Rth(j-c) | 0.085 °C/W (Max.) | Critical for calculating maximum junction temperature. |
| Isolation Voltage | Visol | 2500V AC | Ensures safety between power terminals and baseplate. |
Download the CM200DY-28H datasheet for detailed specifications and performance curves. To better understand these ratings, consider the Vces as the structural integrity of a dam; the 1400V rating ensures the "wall" does not burst even when the "water pressure" (input voltage) surges during grid fluctuations.
Application Scenarios & Value
Achieving System-Level Benefits in High-Voltage Power Conversion
In the field of industrial automation, the CM200DY-28H serves as a fundamental building block for high-voltage power architectures. Its internal half-bridge configuration simplifies the design of three-phase inverters by reducing the component count and minimizing parasitic inductance in the DC link.
A typical engineering challenge involves managing the high dV/dt during fast switching in Servo Drives. The CM200DY-28H addresses this through its soft-recovery freewheeling diode, which minimizes electromagnetic interference (EMI). This makes it highly compatible with systems adhering to strict IEC 61800-3 EMC standards. For designs requiring higher current density, the related CM300DY-24H offers a 300A rating at a lower 1200V threshold, while the CM400HA-24H provides a single-switch alternative for high-current topologies.
The engineering value of this module is further realized in renewable energy, specifically in wind-to-grid conversion systems. By maintaining a low Vce(sat), engineers can improve the overall efficiency of the power stage, reducing the total cost of ownership (TCO) through lower cooling requirements and extended maintenance intervals. For more on optimizing these systems, refer to our guide on IGBT Module Selection.
Technical & Design Deep Dive
Analyzing Trench Gate Architecture and Package Stray Inductance
The CM200DY-28H utilizes Mitsubishi's H-Series technology, which balances switching speed and ruggedness. One of the defining characteristics of this module is its optimized trench gate structure. This architecture significantly reduces the internal charge required to toggle the device, leading to lower switching losses (Eon/Eoff) compared to older planar designs.
Stray inductance within a power module is like inertia in a fluid pipe; if the current stops too quickly (high di/dt), it creates a "water hammer" effect in the form of a voltage spike. The DY package used here is engineered with laminated bus-bars to keep internal stray inductance to a minimum, protecting the chip from overvoltage during hard-switching events. This is particularly vital in PFC stages and high-frequency inverters where switching transients are frequent. Understanding the Mitsubishi CSTBT™ technology can provide deeper insights into how these switching characteristics are achieved at the silicon level.
Industry Insights & Strategic Advantage
Navigating the Transition to Higher Efficiency Grid Standards
As global regulations for industrial energy efficiency tighten (such as those aligned with Industry 4.0 and carbon neutrality goals), the selection of power semiconductors becomes a strategic decision. The CM200DY-28H fits into this landscape by offering a reliable path for upgrading existing 480V systems to 600V or 690V architectures. Higher voltage operation naturally leads to lower current requirements for the same power output, reducing the weight and cost of copper cabling in large-scale installations.
Furthermore, the Mitsubishi H-Series remains a staple in the industry due to its proven track record in Solar Inverters and medical imaging equipment. Its legacy status ensures that technical documentation and field reliability data are abundant, facilitating a lower-risk design cycle for OEM engineers. For a broader comparison of how this technology stacks up against modern alternatives, consult our analysis on IGBT vs. MOSFET vs. BJT.
FAQ
How does the Rth(j-c) of 0.085 °C/W directly impact heatsink selection for the CM200DY-28H?
The Thermal Resistance determines how much the junction temperature will rise above the case temperature for every watt of power dissipated. A value of 0.085 °C/W is exceptionally low for a 200A module, allowing engineers to use more compact heatsinks or operate at higher ambient temperatures without exceeding the 150°C junction limit.
Is the 1400V rating sufficient for 690V AC line applications?
While the 1400V rating provides an excellent safety margin for 575V systems, 690V AC systems typically require 1700V IGBTs to account for the higher DC bus voltages (which can exceed 1100V during braking). For 690V lines, engineers should evaluate modules with a higher Infineon or Mitsubishi 1700V rating.
For procurement professionals and engineers seeking high-reliability components for industrial power stages, the CM200DY-28H represents a robust, data-backed choice for high-voltage switching. To ensure system longevity, we recommend a thorough review of the gate drive timing and thermal interface material (TIM) application. Request pricing now or contact our technical sales team for current availability and technical support.
