Table 3:

SCS flight units performance summary.

SCS Unit
Warm Rad. 3 $^{\rm rd}$VGroove Cold-end T(K) Heat lift Input power Cycle time
  T(K) T(K) HFI I/F LFI I/F (mW) (V) (s)
  270.5 45 17.2 18.7a,b 1100 297 940
Redundant 277 60 18.0 20.1a,b 1100 460 492
  282.6 60 18.4 19.9a,b 1050 388 667
Nominal 270 47 17.1 18.7a 1125 304 940
  273 48 17.5 18.7a N/Ac 470 525

Notes. (a) Measured at temperature stabilization assembly (TSA) stage; (b) in SCS-redundant test campaign TSA stage active control was not enabled; (c) not measured.


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