The TYN16S-600CT from WeEN Semiconductors is a Silicon Controlled Rectifier with Breakover Voltage 600 V, Breakover Current 180 A, Gate Trigger Voltage 0.2 to 1.3 V, Gate Trigger Current 0.006 A, Temperature Operating Range -40 to 150 Degree C. Tags: Surface Mount. More details for TYN16S-600CT can be seen below.