The RS-1209D/H3 is a two-watt, isolated DC/DC converter manufactured by Recom Power. It features a 3KV input-to-output voltage regulation ratio of 2:1, as well as a 9-18V input voltage range and a +/-9V output voltage range. The unit is designed to deliver high efficiency, with an up to 180mA output current and a high isolation voltage of up to 1.5KV DC. It also contains protection features such as thermal shutdown, over-temperature protection and overload protection. The unit is designed for use in a wide variety of applications such as communications, industrial control, medical equipment, and data acquisition systems.