VS-T50RIA100

SCRs - Modules Overview

The Vishay VS-T50RIA100 is a single Silicon Controlled Rectifier (SCR) from the VS-T.RIA series, designed for high-power applications. It features a 600 V repetitive peak reverse voltage and an average on-state current of 50 A. The device utilizes a stud mount package (D-55/TO-208AC) with three terminals. Key electrical parameters include a maximum gate trigger current of 100 mA, a peak on-state voltage of 1.6 V, and a non-repetitive surge current rating of 1.37 kA. It operates within a junction temperature range of -40°C to +125°C.

SCRs - Modules Feature Summary

• Robust thyristor construction optimized for high-current switching in industrial power circuits
• Stud-mount terminal design facilitates efficient thermal dissipation through direct heatsink mounting
• Standardized TO-208AC mechanical outline ensures compatibility with established mounting hardware

SCRs - Modules Applications

• Industrial motor drives and control systems
• High-power AC voltage regulation and rectification
• Resistive load switching in heavy machinery

SCRs - Modules Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm exact electrical tolerances and material composition. Ensure the ordering part number matches the required voltage and current ratings precisely. Confirm RoHS compliance status if environmental regulations apply to the final assembly. Cross-reference the package dimensions with the mechanical drawing to verify heatsink interface compatibility before procurement.

SCRs - Modules Selection Notes

Select this component based on its 50 A continuous current capacity and 600 V blocking voltage suitable for medium-voltage AC lines. Evaluate the thermal management requirements to ensure the D-55 package can dissipate heat effectively under expected load conditions. Consider the gate trigger characteristics when designing the drive circuitry to ensure reliable turn-on without excessive gate power dissipation.

SCRs - Modules Part Context

This SCR belongs to Vishay's VS-T.RIA series, which provides standard recovery thyristors in robust stud packages. The series is engineered for general-purpose high-power switching, offering a balance of current handling and voltage blocking capabilities. These devices are commonly used where reliability and thermal performance are critical in industrial environments.

SCRs - Modules Replacement Considerations

Consult official cross-reference lists for verified substitutes such as other Vishay RIA series variants or equivalent industry-standard SCRs with matching TO-208AC footprints and identical 50 A / 600 V ratings.