Paras Engineering Co. Offers Compact PCI AC/DC Power Supplies with Input Inrush Current. Paras Engineering Co. Manufactures Carbide - Ceramic & Titanium Products, Tool room Products, Sheet Metal Pressings & Fabrications, Springs & Fasteners, and Ferrous & Non Ferrous Metals & Metal Alloys. The Compact PCI AC/DC Power Supplies with Input Inrush Current gives up to 500W continuous power. In the power supply there are two converters in parallel, one for the +3.3V and the other for the +5V, enable the user the flexibility to determine unique load requirements for each channel independently. Full load can be drawn from each channel independently.