The G1000NC45B from Littelfuse is an Anode Shorted Gate Turn-Off Thyristor. It has a break-over voltage of up to 4500 V and a break-over current of less than 1000 A. This thyristor has a gate trigger voltage of 1 V and a gate trigger current of 0.7 A. It is available in a surface-mount package that measures 74.00 x 28 mm.