MCD250-16IO1

Overview

The IXYS MCD250-16IO1 is a thyristor/diode module featuring a 1600 V repetitive peak reverse voltage and an RMS on-state current of 450 A per device. It utilizes direct copper bonded Al2O3 ceramic base plates for thermal management. The unit includes a keyed gate/cathode twin pin configuration to ensure correct assembly. Maximum ratings include a non-repetitive surge current of 9000 A at 50 Hz and a maximum junction temperature of 140°C. The package provides an isolation voltage of 3600 V~ and weighs approximately 320 g.

Feature Summary

• Direct copper bonded Al2O3 ceramic base plate construction
• Keyed gate/cathode twin pins for secure connection
• Planar passivated chips for reliability
• High isolation voltage rating

Applications

• Motor control systems
• Power converters
• Industrial furnace heat and temperature control
• Lighting control circuits
• Contactless switches

Procurement Notes

Verify the specific version suffix against the manufacturer datasheet to confirm the exact voltage rating, as the MCC/MCD 250 series spans multiple voltage options. Confirm mounting torque specifications for both terminal connections and mounting screws during installation planning. Ensure compatibility with keyed gate/cathode twin plugs if pre-wired connections are required for the application design.

Selection Notes

Select this module based on the 1600 V blocking capability and 450 A RMS current requirement per semiconductor element. Evaluate the thermal impedance characteristics against the expected ambient temperature and conduction angles. Consider the physical dimensions and weight when designing the mechanical support structure and heatsink interface for the power conversion system.

Part Context

This component belongs to the IXYS MCC/MCD 250 family of high-power thyristor modules. The series offers various voltage ratings from 800 V to 1800 V, sharing a common international standard package format. This specific model represents the 1600 V variant within the lineup, designed for robust industrial power electronics applications requiring high current handling capabilities.

Replacement Considerations

No official substitutes are listed in the provided documentation. When evaluating alternatives, match the 1600 V rating, 450 A RMS current, and TO-240AA-like package dimensions. Verify that any replacement maintains similar thermal resistance values and gate trigger characteristics to ensure circuit compatibility without redesign.