Diotec kt20x120 20a protectifier low vf rectifiers overvoltage protect 2 polarit diotec kt20a120 a 120v 20a protectifier silicon rectifier diode that features low forward losses and overvoltage protection the diode has reverse polarity where the anode is the tab also has high reverse pulse power capability and comes in a to 220ac package diotec kt20a120 rectifier diode reverse polarity 120v 20a to 220ac