Surge protection, high current flow, Gate terminal - tatanh1983/conchodom GitHub Wiki T435 Series 600 Vdrm 4 A Snubberless Triac AC Switch Surface Mount - TO-252 https://www.futureelectronics.com/p/electromechanical--circuit-protection--protection-thyristors/t435-600b-tr-stmicroelectronics-5752167