CD431890C

SCRs - Modules Overview

The Powerex CD431890C is a Silicon Controlled Rectifier (SCR) belonging to the POW-R-BLOK-7 series. It features a flat plate package design suitable for high-power industrial applications. The device has a repetitive peak reverse voltage of 900V and a maximum average on-state current of 180A. It utilizes gate triggering for conduction control, with specified holding and latching currents defining its operational thresholds.

SCRs - Modules Feature Summary

• Flat plate construction for efficient thermal management
• High current capacity for power conversion systems
• Robust blocking voltage capability

SCRs - Modules Applications

• Industrial motor drives
• Inverter circuits
• Welding equipment

SCRs - Modules Procurement Notes

Verify the manufacturer datasheet for exact electrical limits and mechanical dimensions before integration. Confirm that the specific ordering suffix matches the required pin configuration and thermal interface specifications. Ensure compatibility with existing gate drive circuits regarding trigger requirements.

SCRs - Modules Selection Notes

Select this component based on the system's voltage and current demands relative to the 900V rating and 180A current capacity. Evaluate the thermal resistance characteristics to ensure adequate heat sinking solutions are available. Compare the gate trigger parameters against the driving circuit capabilities to ensure reliable turn-on performance under all operating conditions.

SCRs - Modules Part Context

This part is part of Powerex's POW-R-BLOK-7 family of discrete SCRs. These components are designed for high-reliability power electronics. The flat plate form factor allows for direct mounting to cold plates or heatsinks using standard hardware, facilitating compact module designs in high-power density applications.

SCRs - Modules Replacement Considerations

Check for equivalent parts from other manufacturers offering similar 900V and 180A ratings in a flat plate package. Verify that any substitute maintains compatible gate trigger characteristics and thermal resistance values to ensure seamless integration without redesign.