De-rating below 0 and above 40°C. MTBF to MIL-HDBK-217F (25°C). 2. SD- 200 Series Single Output Enclosed Regulated Isolated DC-DC Converter. High reliability Wide 2:1 input voltage range Regulated outputs Easy installation - screw terminals Adjustable output voltage EMC meets EN 55022 Class B LED power-on indicator Short circuit, overload and overvoltage protection 1.5kV input / output isolation