MCD56-18IO1B

Overview

The IXYS MCD56-18IO1B is a silicon thyristor module designed for high-power applications. It features a rated average on-state current of 56A and a repetitive peak reverse voltage of 1800V. The device utilizes a TO-240AA package with screw mount installation. Key electrical parameters include a maximum gate trigger current of 100mA, a maximum holding current of 200mA, and a forward voltage of 1.24V. It operates within a temperature range of -40°C to +100°C.

Feature Summary

• High voltage blocking capability suitable for demanding power conversion environments
• Robust thermal management design integrated into the TO-240AA flange mount package
• Standardized gate control characteristics ensuring compatibility with common drive circuits

Applications

• Industrial motor drives and variable frequency drives
• High-voltage DC power supply systems
• Static power switching in industrial automation equipment

Procurement Notes

Verify the specific suffix '1B' against the manufacturer's latest datasheet to confirm pinout configuration and internal circuit topology. Ensure the ordering quantity aligns with standard factory packaging multiples. Confirm compliance requirements such as RoHS status prior to final procurement decisions.

Selection Notes

Select this component when an 1800V rating is required for the specific application voltage levels. The 56A RMS current capacity must be validated against the thermal dissipation capabilities of the heatsink system. Consider the 100mA gate trigger requirement for driver selection and ensure the operating temperature range fits the environmental constraints.

Part Context

This part belongs to the MCD56 series of discrete semiconductor modules from IXYS. The series offers various voltage ratings including 800V, 1200V, and 1600V options. The MCD56-18IO1B represents the highest voltage variant in this specific current-rated family, providing enhanced isolation for high-potential circuits.

Replacement Considerations

Direct replacements may include other IXYS models within the MCC or MCD series with matching 56A and 1800V ratings. Cross-brand substitution requires careful verification of pinout compatibility, thermal resistance values, and gate trigger specifications to ensure functional equivalence.