The SKKT 122/12 E is a Module A double thyristor (SCR). Repetitive Peak Voltage (VRRM/VDRM): 1200 V., Average Active Current (IT(AV)): 122 A (up to 129 A depending on thermal conditions)., RMS Current (IT(RMS)): 195 A., Non-Repetitive Peak Current (ITSM): 3200 A (10 ms)., Container: SEMIPACK 2., Technology: Module with metal base insulated by aluminum oxide ceramic for optimal heat transfer.