Colorado Space Grant Consortium Thermistors Why do we need them? Monitors the temperature of different components in the satellite during orbit, enabling identification of electronics failures. Monitors the temperatures of the satellite during testing of the to determine accuracy of the model. What are they? Non-linear resistors, which change resistance with the temperature Colorado Space Grant Consortium

Colorado Space Grant Consortium Thermistors Where are we going to put them? They will be put on sensitive parts of the satellite, as determined by the thermal model. How many do we need? We’ll need about 27 Could change depending on placement of items inclusion of new items. Power 9 Structures 5 Science 3 ADCS 4 C&DH 2 Comm Tip-mass Colorado Space Grant Consortium

Colorado Space Grant Consortium Thermistors How will we get the data? Colorado Space Grant Consortium

Colorado Space Grant Consortium Thermistors What will we use? Probably Getting it from BCcomponents It’s inexpensive Between 10K ohm and 100K ohm High resistance to draw less current Temperature range of -40 to 125 oC Fits within required temperature range Costs between $0.50 and $1.50 each Colorado Space Grant Consortium