Mitsubishi CM-DY Series IGBT Modules: CM100DY-24A

Technical Dossier

Product Details And Specifications

Mitsubishi CM-DY Series: Comprehensive Module Range and Technical Overview

The Mitsubishi Electric CM-DY Series represents one of the most widely deployed families of dual IGBT (Insulated Gate Bipolar Transistor) power modules in global heavy industry. Installed across chemical processing plants, nuclear power auxiliary systems, petroleum refineries, steel rolling mills, and large-scale variable frequency drive (VFD) platforms, the CM-DY Series established a benchmark for high-current, medium-voltage switching performance throughout the 1990s and 2000s. The CM100DY-24A — rated at 100A continuous collector current and 1200V blocking voltage — is among the most referenced part numbers in this family, used extensively in industrial inverter bridges and regenerative drive topologies.

The series covers a current range from 15A to 600A and voltage classes of 600V (suffix -12A) and 1200V (suffix -24A), making it applicable across a broad spectrum of motor drive, UPS, and power conversion equipment. Due to the long operational lifespan of the industrial infrastructure in which these modules are embedded, demand for CM-DY parts remains active well beyond the series' production peak.

The Evolution of CM-DY Series Architecture

The CM-DY Series belongs to Mitsubishi Electric's second-generation discrete IGBT module platform, introduced in the early 1990s as a successor to bipolar Darlington power modules. The architecture uses a dual (2-in-1) configuration — two IGBT chips with co-packaged freewheeling diodes in a single isolated base package — enabling half-bridge circuit construction with minimal external wiring.

Early CM-DY variants used aluminum wire bonding on silicon IGBT chips with a copper base plate and aluminum oxide (Al₂O₃) DBC substrate. Later revisions improved thermal cycling endurance and reduced switching losses through refined chip geometry. The package form factor (compatible with standard 62mm module footprints) allowed direct substitution in many third-party drive platforms.

As the series matured into the 2010s, Mitsubishi transitioned its active product roadmap toward the CM-DY-H (high-speed) and subsequently the CM-DY-24NF and NX-series platforms, which introduced trench-gate IGBT technology, lower VCE(sat), and improved short-circuit withstand time. The original CM-DY Series is now classified as mature/end-of-life (EOL), with no active production. Replacement cross-references include the CM100DY-24NF and compatible modules from Infineon (BSM100GB120DN2) and Semikron (SKM100GB12T4).

For facilities operating legacy equipment built around the original CM-DY pinout and thermal interface, direct replacement with NF-series or third-party equivalents requires verification of gate drive voltage compatibility (typically ±15V) and gate resistance values.

CM-DY Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly referenced part numbers within the Mitsubishi CM-DY Series. All are dual IGBT modules in the standard 62mm package unless noted.

600V Class (suffix -12A):

• CM15DY-12A: 15A / 600V dual IGBT module; low-power inverter and chopper applications.
• CM25DY-12A: 25A / 600V dual IGBT; compact VFD output stage, servo amplifier bridges.
• CM50DY-12A: 50A / 600V dual IGBT; mid-range AC motor drive half-bridge.
• CM75DY-12A: 75A / 600V dual IGBT; industrial pump and fan drive inverter stages.
• CM100DY-12A: 100A / 600V dual IGBT; standard workhorse for 600V-class 3-phase inverter bridges.
• CM150DY-12A: 150A / 600V dual IGBT; high-current 600V drive output, crane and hoist systems.
• CM200DY-12A: 200A / 600V dual IGBT; large-frame VFD, traction auxiliary converters.
• CM300DY-12A: 300A / 600V dual IGBT; high-power industrial inverter, steel mill drives.

1200V Class (suffix -24A):

• CM15DY-24A: 15A / 1200V dual IGBT; low-power 1200V-class switching, auxiliary converters.
• CM25DY-24A: 25A / 1200V dual IGBT; medium-voltage servo and spindle drive stages.
• CM50DY-24A: 50A / 1200V dual IGBT; 1200V-class half-bridge for industrial inverters.
• CM75DY-24A: 75A / 1200V dual IGBT; refinery and chemical plant VFD output modules.
• CM100DY-24A: 100A / 1200V dual IGBT; primary SKU — widely used in 1200V-class 3-phase inverter bridges across heavy industry.
• CM150DY-24A: 150A / 1200V dual IGBT; high-current 1200V drive, paper mill and compressor drives.
• CM200DY-24A: 200A / 1200V dual IGBT; large industrial drive output stage, petrochemical plant equipment.
• CM300DY-24A: 300A / 1200V dual IGBT; high-power 1200V inverter, rolling mill and press drives.
• CM400DY-24A: 400A / 1200V dual IGBT; very high current density applications, large crane and winder systems.
• CM600DY-24A: 600A / 1200V dual IGBT; maximum-current CM-DY variant; large traction and utility-scale power conversion.

Sourcing Hard-to-Find & Obsolete CM-DY Series Parts

The CM-DY Series reached end-of-life status progressively between 2010 and 2018. Mitsubishi Electric no longer manufactures these modules under the original part numbers. However, the installed base of equipment using CM-DY modules — including legacy Mitsubishi FR-A, FR-F, and FR-Z series drives, as well as OEM equipment from ABB, Yaskawa, and Fuji Electric that incorporated CM-DY modules — remains operational in facilities with 20–30 year equipment lifecycles.

DriveKNMS maintains a dedicated inventory program for CM-DY lifecycle extension, covering:

• New-old-stock (NOS) units sourced from verified industrial surplus channels.
• Tested used modules with documented electrical characterization (VCE(sat), leakage current, gate threshold).
• Cross-reference advisory for NF-series and third-party equivalents where direct substitution is feasible.
• Emergency same-day dispatch for critical plant maintenance scenarios.

All CM-DY inventory is stored in ESD-safe, climate-controlled conditions. Traceability documentation is available on request.

Quality Control for the CM-DY Range

IGBT power modules present specific failure modes that require targeted test protocols beyond standard component screening. DriveKNMS applies the following procedures to all CM-DY units prior to dispatch:

• Static VCE(sat) measurement: Collector-emitter saturation voltage measured at rated gate drive (VGE = +15V) and specified collector current. Compared against datasheet limits to screen for degraded chip bonds.
• Gate threshold voltage (VGE(th)) test: Verifies gate oxide integrity. Drift from nominal indicates latent oxide degradation.
• Leakage current (ICES) test: Off-state leakage measured at rated VCE to detect junction damage or contamination.
• Freewheeling diode forward voltage (VF) check: Confirms co-packaged diode integrity, critical for regenerative and braking applications.
• Isolation voltage test: Base plate to terminal isolation verified at 2500V AC for 1 minute per IEC 60747-9 protocol.
• Thermal interface inspection: Base plate flatness and surface condition assessed to ensure adequate heatsink contact.

Test records are retained and available for customer review. Modules failing any parameter are quarantined and not offered for sale.

For sourcing inquiries, cross-reference requests, or bulk orders for CM-DY Series modules:

• Email: sale@driveknms.com
• WhatsApp: +86 18359293191
• Web: driveknms.com

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.