Thyristor Module for Welding Machine, ITAV=3x80A, VRRM/VDRM>400V, VTM<1.20V, dv/dt>1000V/us. Sirectifier: Thyristor Module for Welding Machine,Three Phase Half Bridge Thyristor Module,ITAV=3x80A,VRRM/VDRM>400V,VTM<1.20V,dv/dt>1000v/us, Solder Version with Copper Baseplate, Tjm=125C,easy to directly instead of Sanrex Brand PWB80. TypeITAVVRRM/VDRMVTMdv/dtTjm3TA80GK04NB3*80A>400V<1.2V>1000v/us125V ...