PB-NUK Radioisotope Thermoelectric Generator

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PB-NUK Radioisotope Thermoelectric Generator
Part image
Generator by
Ionic Symphonic Protonic Electronics
Radial size Tiny
Cost (total) 23 300.00 Funds
Mass (total) 0.08 t
Drag 0.2
Max. Temp. 1200 K
Impact Tolerance 7 m/s
Research Experimental electrics.png Experimental Electrics
Unlock cost 58 000 Funds
Since version 0.18
Part configuration RTG
Electricity generated 0.8 /s

The RTG provides constant and reliable electricity for spacecraft. Its weight/power ratio is a lot worse than that of solar panels (unless you are very far away from the sun), but RTGs have the advantage that they do not require direct sunlight, so they still work when on the night side of a planet.

The design of the PB-NUK Radioisotope Thermoelectric Generator is based on the Pioneer 10 and 11 probes.


The Radioisotope Thermoelectric Generator is useful when you:

  • Go so far away from the sun that solar panels become inefficient
  • Need to operate energy-consuming equipment on the night-side of a celestial body without having to rely on batteries
  • Want a probe, lights, and/or instruments without having to worry about energy supply at all


Through exploitation of the natural decay of Blutonium-238, this elegantly simple power generator can provide consistent, stable power for decades.

Ionic Protonic Electronics


  • Mass reduced from 0.175 to 0.08, power output reduced from 1 E/s to 0.75 E/s.
  • Initial Release