CM75MX-12A

Overview

The CM75MX-12A is a 750 A, 1200 V insulated gate bipolar transistor (IGBT) module from Powerex Inc., designed for high-power industrial applications. It features a standard TO-240AB package with a single IGBT and anti-parallel fast recovery diode configuration. Key electrical parameters include a maximum collector-emitter voltage of 1200 V and a continuous collector current of 750 A at 25°C case temperature. The device incorporates a negative turn-off gate voltage capability to enhance noise immunity. Thermal resistance from junction to case is specified at 0.18 °C/W, supporting efficient heat dissipation in demanding power conversion systems.

Feature Summary

• High current density design optimized for efficiency in power electronics
• Integrated fast recovery diode for inductive load switching
• Robust short-circuit withstand capability for system protection
• Standardized mechanical footprint for easy integration

Applications

• Medium frequency induction heating systems
• Uninterruptible power supplies (UPS)
• Motor drive inverters

Procurement Notes

Verify the specific suffix code on the component marking against the official Powerex datasheet to confirm exact thermal interface material and pinout variations. Confirm RoHS compliance status as manufacturing processes may vary by production batch. Ensure the supplier provides traceability documentation for critical industrial deployments.

Selection Notes

Select this module based on the required 750 A current rating and 1200 V blocking voltage. Evaluate the thermal management requirements against the 0.18 °C/W junction-to-case resistance. Consider the operating frequency limitations imposed by the diode reverse recovery characteristics when designing the snubber circuits or filter components for the specific application topology.

Part Context

This component belongs to the MX series of high-power IGBT modules manufactured by Powerex Inc. The series is engineered for robust performance in heavy-duty industrial environments. The CM75MX-12A represents a specific current and voltage combination within this lineup, utilizing proven chip technology for reliability.

Replacement Considerations

Direct replacements must match the 750 A / 1200 V specification and TO-240AB package dimensions. Verify that alternative suppliers offer equivalent thermal resistance and switching speed characteristics to ensure compatibility with existing cooling solutions and control logic.