IR210SG12HCB is a 210 square millimeter thyristor produced by International Rectifier. The rated reverse breakdown voltage of the thyristor is 1200 V, the maximum on-state voltage is 1.5 V, the maximum trigger current is 60 mA, the maximum trigger voltage is 1.9 V, the maximum holding current range is 10 to 125 mA, and the maximum latching current is 200 mA.