C430B

Scrs Overview

The C430B is a Phase Control Silicon Controlled Rectifier (SCR) manufactured by Powerex Inc. It is designed for high-power industrial applications requiring robust phase control capabilities. The device features a disk button package configuration, suitable for mounting on standard heatsinks. Key electrical characteristics include an average on-state current rating of 760 Amperes and a blocking voltage range spanning from 500 Volts to 1300 Volts depending on the specific suffix variant. The component utilizes a single-element structure with four terminals, facilitating straightforward integration into thyristor bridge circuits and other power conversion topologies.

Scrs Feature Summary

• High current carrying capacity suitable for heavy-duty industrial power systems
• Robust ceramic metal-sealed cofired package construction for thermal stability
• Single-phase control configuration allowing flexible circuit integration

Scrs Applications

• Industrial motor drives and variable frequency drive systems
• High-power DC-to-AC inversion stages
• Resistive and inductive load control in manufacturing environments

Scrs Procurement Notes

Verify the exact voltage suffix when ordering, as the base model covers a wide voltage range. Confirm package compatibility with existing heatsink infrastructure. Ensure gate trigger specifications match the driving circuitry requirements before finalizing procurement.

Scrs Selection Notes

Select the appropriate voltage variant based on the peak reverse voltage present in the application circuit. Consider the thermal management requirements given the 760A average current rating. Verify that the chosen package style aligns with the mechanical constraints of the assembly.

Scrs Part Context

Powerex specializes in high-power semiconductor devices, particularly silicon controlled rectifiers and diodes for demanding industrial markets. The C430 series represents their line of phase control SCRs, known for reliability in high-current applications. This component belongs to a family of devices designed for efficient power switching in large-scale electrical systems.

Scrs Replacement Considerations

Direct replacements should match the 760A current rating and compatible voltage class. Evaluate alternative manufacturers offering similar disk button packages. Ensure gate trigger parameters are within acceptable limits for the existing control circuitry.