TYN225 SCR Thyristor – 25A 250V TO-220 STMicroelectronics
The TYN225 (specifically TYN225RG) is a standard Silicon-Controlled Rectifier (SCR) Thyristor manufactured by STMicroelectronics. It is designed as a unidirectional solid-state switch for general-purpose power switching and phase-control applications, such as AC motor speed control, light dimmers, and heating regulators