The EnduroSat 3U Deployable Solar Array utilizes 14 triple junction solar cells arranged into 1 fixed + 1 deployable panels.

The system is fully compliant with the CubeSat standard, and the deployable solar array can potentially double the energy generation capability of a satellite.

Key features

  • 1 Fixed + 1 Deployable 3U Solar Panels
  • Hinge: Short side, 90 degrees
  • Dual burnwire deployment mechanism
  • 14 Triple Junction Solar Cells InGaP/GaAs/Ge for Space Applications
  • Efficiency: 29.5 %
  • Internal By-pass diode for reverse bias protection
  • Solar cells thickness 150 μm ± 20 μm
  • Very low solar cell mass (81-89 mg/cm2)
  • High Radiation Resistance
  • Cover glass
  • Gyroscope (Optional)
  • Temperature Sensor (Accuracy: ±1.5°C from -25°C to 85°C (max), ±2.0°C from -55°C to 125°C (max)
  • Sun Sensor
  • Multiple arrays can be connected in series or parallel
  • Plated, countersink mounting holes with ground connection
  • Connector for external magnetorquer

Testing & qualification

Fully qualified under ESA Standard ECSS E ST20-08C for LEO and GEO orbit

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Last updated: 2024-02-05

3U Deployable Solar Array




lead time
4 mo
270 g
maximum power
Up to 8.4 W in LEO per side
power efficiency
29+% (at EOL)
< 504 mA
16.8 V (for 7 cells)


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