Disc Type Replacement Sailton Brand 5STP03X6500 High Voltage Phase Control Thyristor US$20.00-100.00 / Piece Reverse Voltage Apply Line Frequency Rectifiers Zp1800A/4500V-5200V Diodes US$10.00-100.00 / Piece Replacement 5STP04D5200 High Voltage Phase Control Th...