MCD72-16IO1B

Overview

The IXYS MCD72-16IO1B is a thyristor/diode module featuring an international standard JEDEC TO-240AA package. It integrates a single silicon-controlled rectifier and a diode within one unit. The device supports a repetitive peak reverse voltage of 1600 V and handles a rated RMS on-state current of 72 A. It withstands a non-repetitive surge current of 1240 A. The module utilizes direct copper bonded Al2O3 ceramic base plates for thermal management. Key electrical parameters include a maximum gate trigger current of 150 mA, a peak on-state voltage of 1.74 V, and a maximum holding current of 200 mA. It operates within a temperature range of -40°C to +100°C.

Feature Summary

• Integrates a thyristor and diode in a single compact unit for space efficiency
• Utilizes direct copper bonded Al2O3 ceramic base plate for improved thermal cycling
• Features planar passivated chips for enhanced reliability
• Includes isolation voltage rating of 3600 V

Applications

• DC motor control systems
• Softstart AC motor controllers
• Light, heat, and temperature control applications

Procurement Notes

Verify the specific suffix IO1B against official datasheets to confirm pin configuration and internal circuit topology. Ensure the supplier provides original manufacturer documentation to validate authenticity. Check for RoHS compliance status through official channels before procurement. Confirm storage conditions align with semiconductor handling standards to prevent moisture damage during transit and storage.

Selection Notes

Select this module when a combined thyristor and diode solution is required in a TO-240AA footprint. Verify that the 72 A RMS current rating meets the continuous load requirements. Ensure the 1600 V blocking voltage exceeds the peak line voltage. Confirm compatibility with the 150 mA gate drive capability. Evaluate thermal resistance requirements against the available heatsinking infrastructure.

Part Context

This component belongs to the IXYS MCD series of discrete semiconductor modules. The series typically offers various current ratings within the same mechanical envelope. The TO-240AA package is a standard form factor for high-power thyristor applications. This specific model combines switching and freewheeling functions in one assembly.

Replacement Considerations

Cross-reference with other IXYS models in the MCD series for different current ratings. Verify mechanical dimensions and pinout compatibility before substituting. Ensure thermal characteristics match the existing design constraints. Consult official Littelfuse/IXYS databases for approved equivalent part numbers.