MCC250-18IO1

Overview

The IXYS MCC250-18IO1 is a thyristor module rated for a repetitive peak reverse voltage of 1800 V and an RMS on-state current of 450 A. It utilizes a direct copper bonded Al2O3 ceramic base plate within an international standard package. The device features planar passivated chips and supports a maximum junction temperature of 140°C. Key electrical parameters include a gate trigger current of 150 mA at 25°C, a holding current of 150 mA, and a surge current capacity of up to 9600 A for 8.3 ms. Thermal resistance from junction to case is specified at 0.129 K/W per thyristor.

Feature Summary

• Features an isolation voltage rating of 3600 V~
• Incorporates a direct copper bonded Al2O3 ceramic base plate
• Utilizes planar passivated chip technology
• Includes keyed gate/cathode twin pins

Applications

• Motor control systems
• Power converters
• Heat and temperature control for industrial furnaces
• Chemical process control
• Lighting control applications

Procurement Notes

Verify the specific version suffix against the manufacturer's datasheet to confirm the exact voltage rating, as the MCC250 series encompasses multiple variants ranging from 800 V to 1800 V. Ensure that mounting torque specifications are strictly adhered to during installation to maintain thermal performance and mechanical integrity. Confirm RoHS compliance status through official documentation prior to procurement.

Selection Notes

Select this module based on the required RMS current handling and voltage blocking capabilities for the specific application. Evaluate the thermal management requirements using the provided junction-to-case thermal resistance values. Consider the physical dimensions and mounting style to ensure compatibility with existing heatsink infrastructure and enclosure constraints.

Part Context

This component belongs to the MCC250 series of thyristor modules manufactured by IXYS. The series offers various voltage ratings, distinguished by their ordering suffixes. The MCC250-18IO1 specifically denotes the 1800 V variant within this lineup, designed for high-power industrial applications requiring robust switching capabilities.

Replacement Considerations

No official substitute part numbers are documented in the source material. When considering alternatives, verify that the replacement matches the 450 A RMS current rating, 1800 V blocking voltage, and compatible mounting footprint. Ensure thermal characteristics and gate trigger requirements align with the original design specifications.