Triple Junction GaAs Solar Cell 3GA-68
Triple Junction GaAs Solar Cell 3GA-68
High-Efficiency CIC Triple Junction GaAs Solar Cell for Space Applications
The Gulier 3GA-68 is a CIC Triple Junction GaAs Solar Cell featuring a GaInP₂/GaAs/Ge structure on a germanium substrate, engineered to deliver an impressive 30% efficiency under AM0 illumination. This space solar cell assembly integrates a discrete silicon bypass diode, silver-coated Kovar interconnects, and a radiation-resistant cover glass, offering unmatched performance in demanding orbital environments.
Explore more: CIC Space Solar Cell Series
This Space Solar Cell product is an GaInP2/GaAs/Ge on Ge substrate triple junction solar cell assembly with 30% efficiency(28% and 32% also available). The space solar cell assembly is equipped an discrete Si bypass diode, Interconnects and cover glass. We also offer bare cells version.
Basic materials
GaInP2/GaAs/Ge on Ge substrate
oxide layer
TiOX/Al2O3
size
144.45mm×68.65mm
Effective area
80cm2
weight
13.2±1.0g
thickness
0.40±0.05mm
Glass cover plate
Irradiation resistant glass cover,120±20μm
Interconnection strip
KOVAR,35μm
Open circuit voltage Voc (mV)
2780
Short circuit current density Jsc (mA/cm2)
17.0
Optimal working point voltage Vm (mV)
2470
Best operating point current Jm (mA/cm2)
16.3
Conversion efficiency η (1353W/m2)
30%
Applications for CIC Triple Junction GaAs Solar Cells
The 3GA-68 is tailored for use in:
GEO/LEO satellites
Space exploration rovers
High-altitude platforms (HAPS)
Custom aerospace power systems
As trusted triple junction GaAs solar panel wholesalers, Gulier offers not only standard assemblies like the 3GA-68 but also fully customizable solutions for specialized aerospace and satellite missions.
Why Choose Gulier for Triple Junction Space Solar Panels?
With decades of experience in space-grade solar technology, Gulier is a leading manufacturer of CIC Triple Junction GaAs Solar Cells. All products are designed with precision and reliability to support critical aerospace systems.
Customization & Wholesale Supply
As triple junction GaAs solar panel wholesalers, Gulier provides:
Flexible configurations (28%, 30%, 32% efficiency options)
Custom dimensions and cover glass thickness
Bare cell versions available upon request
Contact us for more details or a custom quote at Gulier Space Solar Cell Solutions
All of our space solar cells incorporate the latest triple-junction technology, featuring III-V layers grown on a Germanium substrate. Leveraging decades of expertise in the space market, our entire product range is designed to meet the highest standards of performance and reliability. Beyond our standard offerings, we also provides tailored solutions to meet specific customer requirements, ensuring flexibility and customization for unique project needs.






