IRKT56/06A

SCRs - Modules Overview

The IRKT56/06A is a thyristor/diode module from the IRK.41/.56 series, manufactured by Vishay General Semiconductor - Diodes Division (formerly International Rectifier). It utilizes the ADD-A-pak Generation V package with a TO-240AA footprint. The device features a 600V repetitive peak off-state voltage rating and a maximum average on-state current of 60A at 85°C case temperature. It incorporates a thick copper baseplate for thermal management and offers high surge capability.

SCRs - Modules Feature Summary

• Features a solid copper baseplate for improved mechanical ruggedness and thermal spreading.
• Includes a click-stop feature to secure electrical terminals against axial pull-out.
• Provides UL E78996 approval and 3500V RMS isolating voltage.
• Manufactured without hard mold to eliminate direct stress on leads.

SCRs - Modules Applications

• High voltage regulated power supplies
• Lighting circuits
• Temperature control circuits
• Motor speed control circuits
• UPS systems

SCRs - Modules Procurement Notes

Verify the specific ordering code suffixes when sourcing replacements. Confirm that the required dv/dt rating matches the application needs, as standard versions differ from S90 variants. Ensure the mounting torque specifications are strictly followed during installation to maintain reliable thermal contact and prevent mechanical failure.

SCRs - Modules Selection Notes

Select this component based on its 60A average current capacity and 600V blocking voltage. Consider the thermal resistance characteristics and conduction angle requirements for the specific circuit design. Verify compatibility with heatsink surfaces due to the flat mounting requirement and ensure adequate gate drive parameters are met for reliable triggering.

SCRs - Modules Part Context

This module belongs to the IRK.41/.56 series of thyristor/diode power modules. It is part of the ADD-A-pak Generation V family, designed for general purpose high voltage applications. The series includes various voltage ratings from 400V to 1600V and current codes for different current capacities.

SCRs - Modules Replacement Considerations

IRKT56/16A

SCRs - Modules FAQ

What is the maximum non-repetitive surge current for the IRKT56/06A?

The maximum non-repetitive surge current is 1310 A at 50Hz and 1370 A at 60Hz for a single half-cycle pulse.

Does the IRKT56/06A have an auxiliary cathode?

Yes, the standard IRKT56 configuration includes an auxiliary cathode. Variants without an auxiliary cathode are designated with a different current code suffix.

What is the recommended mounting torque for the module?

The recommended mounting torque is 5 Nm for busbar connections and 3 Nm for other configurations, with a tolerance of ±10%.