C781LA

SCRs - Modules Overview

The Powerex C781LA is a Phase Control Silicon Controlled Rectifier (SCR) designed for high-power industrial applications. It features an average on-state current rating of 2500 Amperes and supports repetitive peak reverse voltage ratings up to 2100 Volts. The device utilizes a stud-mount configuration, facilitating robust thermal management and mechanical stability in heavy-duty power conversion systems.

SCRs - Modules Feature Summary

• High-capacity phase control capability for demanding power electronics
• Robust construction suitable for high-voltage industrial environments

SCRs - Modules Applications

• Industrial motor drives
• High-power rectification systems
• Static VAR compensators

SCRs - Modules Procurement Notes

Verify the specific voltage suffix against the manufacturer's datasheet to ensure compatibility with system requirements. Confirm mounting hardware specifications and thermal interface material needs prior to integration. Cross-reference part numbers with official Powerex documentation to avoid substitution errors.

SCRs - Modules Selection Notes

Select this component based on the required average current and peak reverse voltage ratings. Ensure the cooling solution matches the thermal resistance specifications provided in the official datasheet. Verify that the gate trigger characteristics align with the control circuit design.

SCRs - Modules Part Context

This SCR belongs to Powerex's high-current phase control series, engineered for reliability in severe electrical conditions. It serves as a critical switching element in large-scale power conversion infrastructure, offering standardized performance metrics for industrial designers.

SCRs - Modules Replacement Considerations

Consult the official Powerex replacement guide for direct equivalents. Verify that any substitute maintains identical current, voltage, and thermal characteristics to ensure system safety and performance compliance.