VS-81RIA40

Scrs Overview

The VS-81RIA40 is a Silicon Controlled Rectifier (SCR) manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum off-state voltage of 400 V and a repetitive peak on-state current of 125 A. The device utilizes a TO-209AC package with stud mounting capabilities. It operates within a junction temperature range of -40°C to 125°C.

Scrs Feature Summary

• High current handling capability for power control applications
• Robust stud mount construction for efficient thermal dissipation
• Standard recovery characteristics suitable for industrial switching

Scrs Applications

• Industrial motor control systems
• Power regulation circuits
• High-current switching applications

Scrs Procurement Notes

Verify the specific datasheet revision and mechanical dimensions against the target application requirements. Confirm that the TO-209AC package style matches the chassis or heatsink interface design. Ensure thermal management solutions align with the specified junction temperature limits during operation.

Scrs Selection Notes

Select this component when a 400 V blocking voltage and 125 A on-state current are required in a stud-mount configuration. Consider the thermal resistance characteristics inherent to the TO-209AC package for effective heat sinking. Evaluate gate trigger parameters if precise firing control is necessary for the specific circuit topology.

Scrs Part Context

This SCR belongs to the RIA series from Vishay, designed for high-power industrial environments. The TO-209AC form factor provides a standardized mounting solution for chassis integration. It serves as a reliable switching element in scenarios demanding robust performance under significant electrical loads.

Scrs Replacement Considerations

The VS-80RIA40 is a confirmed substitute part number within the same manufacturer's lineup. Verify compatibility regarding pinout and mechanical specifications before implementation.