IRKH91/06A

SCRs - Modules Overview

The IRKH91/06A is a silicon-controlled rectifier (SCR) manufactured by Vishay General Semiconductor. It features a TO-240AA flange-mount package with an isolated case connection. The device is rated for a maximum repetitive peak reverse voltage of 600 V and a maximum on-state current of 95 A. It supports a non-repetitive peak forward current of 2094 A and operates within a junction temperature range of -40 °C to +125 °C.

SCRs - Modules Feature Summary

• High-power thyristor construction utilizing silicon technology
• Isolated flange mount design for efficient thermal management
• Robust surge current handling capability for industrial loads

SCRs - Modules Applications

• Industrial motor control systems
• Power supply circuits
• Inverter applications

SCRs - Modules Procurement Notes

Verify the specific suffix 'A' against official Vishay documentation to confirm exact electrical tolerances and pinout configurations, as variations may exist within the VS-VSKH91 series. Ensure the procurement channel provides original manufacturer traceability to avoid counterfeit components in high-voltage power applications.

SCRs - Modules Selection Notes

Select this component when a 600 V blocking voltage and 95 A continuous current rating are required in a standard TO-240AA form factor. Consider the 2094 A surge capacity for inrush current scenarios. Verify that the mounting interface accommodates the isolated case requirement for proper grounding and thermal dissipation in the target assembly.

SCRs - Modules Part Context

This SCR belongs to the Vishay VS-VSKH91 series of high-power thyristors. These devices are designed for demanding power electronics environments requiring reliable switching and high current density. The TO-240AA package is a standard industry footprint for medium-to-high power discrete semiconductors.

SCRs - Modules Replacement Considerations

Cross-reference with other Vishay VS-VSKH91 variants or equivalent 600 V / 95 A SCRs in TO-240AA packages from other manufacturers. Confirm that gate trigger characteristics and thermal resistance values match the original design requirements before substitution.