... Stud type rectifier, kp type phase controlthyristors ,GTO, SCR, IGBT and other products.with good quality disc type GTO-CSG2000A/3000V,Stud type rectifier, kp type phase control thyristorSCR (thyristor ... ) GTO phase control thyristors ModelIT(AV)VDRM,VRRMIdrm IRRMTjmIgtVgtVtmdv/dtRjc-Type(A ...