The VS-40TPS... high voltage series of silicon controlled rectifiers are specifically designed for medium power switching and phase control applications. The glass passivation technology used has reliable operation up to125 °C junction temperature.

APPLICATIONS
Typical usage is in input rectification crowbar (soft start)and AC switch motor control, UPS, welding and battery charge

FEATURES

• Designed and qualified according to JEDEC®-JESD 47
• Low IGT parts available
• 125 °C max. operating junction temperature

Datasheet: https://www.vishay.com/docs/94388/vs-40tps-m3series.pdf