T820149004DH

Overview

The Powerex T820149004DH is a Silicon Controlled Rectifier (SCR) belonging to the T82 series. It features a single element configuration housed in a disk button package with three pins. The device supports a maximum RMS on-state current of 1490 A and a repetitive peak reverse voltage of 900 V. It utilizes a ceramic, metal-sealed cofired body with a round shape and end terminal positioning.

Feature Summary

• High current handling capability for heavy-duty power applications
• Robust ceramic and metal-sealed construction for thermal stability
• Single element design for straightforward integration

Applications

• Industrial motor drives
• Power supply rectification
• Welding equipment

Procurement Notes

Verify the specific datasheet version for the T820149004DH to confirm exact gate trigger parameters and thermal resistance values. Ensure the procurement source provides official documentation from Powerex Inc. or authorized distributors to guarantee component authenticity and compliance with specified electrical ratings.

Selection Notes

Select this component when high RMS current capacity around 1490 A is required alongside a 900 V blocking voltage. The T82 disk button form factor is suitable for applications requiring robust mechanical mounting and efficient heat dissipation through the base plate.

Part Context

This SCR is part of the T82 family from Powerex Inc., designed for high-power industrial environments. The series offers various voltage and current combinations within the disk button package style, providing engineers with standardized options for reliable thyristor switching in demanding circuits.

Replacement Considerations

Cross-reference with other T82 series parts like T820141304DH for similar current ratings but different voltage specifications. Verify pinout compatibility and thermal characteristics before substituting with components from other manufacturers.