XTE+ GEO Solar Cell
Spectrolab
Spectrolab's latest 33% BOL efficiency triple-junction solar cell optimized for GEO and high-radiation missions (>1e14 fluence), fully qualified under AIAA-S111-2014.
Technical specifications
- BOL Efficiency
- 33%
- EOL Efficiency at 1e15 fluence
- 28.5%
- Cell Technology
- GaInP/GaAs/Ge lattice matched triple-junction (3J)
- Qualification Standard
- AIAA-S111-2014
- Target Orbit
- GEO (>1e14 fluence)
- Available Forms
- Bare cells or CIC assemblies
About
The XTE+ GEO is Spectrolab’s newest GaInP/GaAs/Ge lattice-matched triple-junction solar cell delivering 33% beginning-of-life efficiency — the highest in the XTE+ family. Optimized for geosynchronous orbit and high-fluence environments exceeding 1e14 1 MeV electrons, it achieves 28.5% efficiency at 1e15 fluence, making it ideal for 15-year GEO communication satellite missions.
Fully qualified under the AIAA-S111-2014 standard, the XTE+ GEO provides industry-leading BOL and EOL performance. Available as bare cells or as complete CIC (Cell Interconnect Coverglass) assemblies with space-qualified coverglass, bypass diode, and interconnects for welded connections. With over 70 years of Spectrolab space photovoltaic heritage, the XTE+ GEO powers some of the world’s most demanding satellite missions.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
