The molded surface mount series is extremely versatile. 5 different construction types include: Composition, Metal film, Wirewound, Power Film and Thick film. Each construction is used to optimize performance in this surface mount series. There are seven package sizes and twelve wattage ratings with tolerances ranging from 1% to 10% depending on construction type. This series also includes two mounting designs to accommodate different soldering processes. With so many options, it is easy to see why so many engineers choose this surface mount series from Ohmite.