IRKT91/16A

Overview

The IRKT91/16A is a silicon-controlled rectifier (SCR) module manufactured by Vishay General Semiconductor - Diodes Division. It features an ADD-A-PAK package with five terminals and flange mounting. The device has a maximum repetitive peak reverse voltage of 1600 V and a maximum on-state current of 95 A. It operates within a temperature range of -40 °C to +125 °C.

Feature Summary

• High surge capability utilizing thick aluminum metal die and double stick bonding
• Isolated construction with UL recognized status for industrial safety
• Standardized TO-240AA form factor for compatibility

Applications

• Industrial power control systems
• Motor drive applications
• Inverter circuits

Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm terminal configuration and isolation ratings. Ensure the procurement channel provides valid traceability for this semiconductor component type. Confirm compliance with relevant environmental directives before integration into final assemblies.

Selection Notes

Select this component when high voltage blocking and robust thermal performance are required in a standard industrial package. Evaluate the gate trigger characteristics against the driving circuit capabilities. Consider the thermal resistance and mounting requirements for the intended heat sink interface.

Part Context

This part belongs to the IRK series of thyristor modules, designed for high-power industrial applications. The series utilizes advanced packaging techniques to ensure reliability under harsh electrical conditions. Vishay's manufacturing processes focus on maintaining consistent performance across the product line.

Replacement Considerations

Consult official Vishay substitution guides for compatible alternatives. Verify pinout compatibility and electrical parameter equivalence before replacing existing units in established designs.