50 & 60mm Power Block Rectifier Diodes Infineon Technologies 50 and 60mm Power Block Rectifier Diodes offer single and dual models with pressure contact technology. The DZ600N16K Single Rectifier Diode provides a 50mm, 1600V, and 600A module. The DD175N34K features a 50mm, 3400V, and 175A module. Furthermore, the DD700N22K offers a 60mm, 2200V, and 700A module.