Typical Spacecraft Design Temperatures Component/ Operating Survival System Temperature(C)Temperature(C) Digital electronics 0to50 -20to70 Analog electronics 0to40 -20to70 Batteries 10to20 0to35 iR detectors 269to-173 269to35 Solid-state particle -35to0 35to35 detectors Momentum wheels 0to50 20to70 Solar panels l100to125 l100to1255 Typical Spacecraft Design Temperatures Solar panels -100 to 125 -100 to 125 Momentum wheels 0 to 50 -20 to 70 Solid-state particle -35 to 0 -35 to 35 detectors IR detectors -269 to –173 -269 to 35 Batteries 10 to 20 0 to 35 Analog electronics 0 to 40 -20 to 70 Digital electronics 0 to 50 -20 to 70 Survival Temperature (C) Operating Temperature (C) Component/ System