Pico's surface mount and plug in contain DC-DC converters. The unit is 0.35 high and has an average power of 4.5 watts. It does not need heat sink and electrical derating. This series can offer up to 100 various models of converters which can operate on temperature that ranges from -25ºC to +70ºC. The units are ideal for applications in which the input voltage varies ±10%. The output of the device must be handled to ±0.2%.