A thyristor, Types of Protection Thyristors, Process control, Thyristor circuit - tatanh1983/conchodom GitHub Wiki Snubberless Series TO-220-3 1200 V 25 A Through Hole Triac https://www.futureelectronics.com/p/electromechanical--circuit-protection--protection-thyristors/t2550-12i-stmicroelectronics-9071459