Russian Type Triac Thyristors (Stud Version) Russian Type Fast Switching Thyristors (Stud Version) Rotation Thyristors (Stud Version) Russian Type Triac Thyristors (Capsule Version) Russian Type Fast Switching Thyristors (Capsule Version)

Russian Type Phase Control Thyristors(Capsule version) Russian Type Phase Control Thyristors (Stud Version)