IXYS IX4 Ultra-Junction Power MOSFETs are avalanche-rated, N-channel enhancement-mode MOSFETs with a 200V drain-source breakdown voltage. The IXYS IX4 Ultra-Junction Power MOSFETs come in a TO-220 (IXTP) or TO-263 (IXTA) package and offer 86A or 94A continuous drain current.