We sell Thyristor (SCR) Discrete and Module . Our mainly material(Chips /Dies)is from europen and the U. S.A , the Discrete is from (ITAV)4A to 41A, (VRRM/VDRM) is from 800V to 1600V , with TO-202/TO-220/TO-247/TOP3 Insulated and Non-Insulated. The Module we have 50A to 181A , the Voltage is 1600V . If you have interesting and question , please do not hesitate , contact us directly , we will help you !!