The R1S8-1209/P with Isolated DC/DC Converters 1W DC/DC 1kV UNREG 12Vin 9Vout is a high isolation 1W DC/DC Converter manufactured by Recom Power. It is a surface mount device that provides isolation up to 1kV. The input voltage range is from 10.8-13.2V DC, with a 12V nominal input. The output voltage is a constant 9V and the operating temperature range is -40°C to +85°C. This part is available in a 4-pin industry standard package. It is compliant with RoHS/WEEE, has overvoltage, overcurrent, and short-circuit protection, and has a high efficiency up to 85%.