XTJ Prime Solar Cell
Spectrolab
Spectrolab's proven heritage triple-junction solar cell with 30.7% average BOL efficiency, dual-qualified under AIAA-S111 and AIAA-S112, available in sizes from 26 to 84 cm².
Typed specifications18 values
Discloses 5 of 7 fields engineers filter by in this category (category median 2).
- Cell efficiency
- 30.7 % BOL · datasheet p.1 30.7 % BOL, production average of >100,000 cells | 26.7 % EOL, 1E15 1MeV electron
- Envelope (L×W×H)
- 26–84 cm² product page
- Form factor (as printed)
- 26–84 cm² product page
- Array configuration
- other Space Qualified Triple Junction Solar Cell (bare cell product) · datasheet p.1
- Cell type
- triple-junction GaAs Space Qualified Triple Junction Solar Cell · datasheet p.1
- Cell part number
- Spectrolab XTJ Prime datasheet p.1
- Open-circuit voltage at the panel output (Voc)
- 2.72 V BOL, European standard-ECSS · datasheet p.1 2.72 V BOL, US Standard AIAA S-111-2005
- Max-power voltage at the panel output (Vmp)
- 2.41 V BOL, European standard-ECSS · datasheet p.1 2.41 V BOL, US Standard AIAA S-111-2005
- Flight heritage
- Heritage upright lattice-matched XTJ structure; AIAA-S111 & AIAA-S112 space qualified; over 320 kW of XTJ Prime delivered datasheet p.1
- Cell area
- 26 cm² 26cm2 class (rectangular cell w/ cropped corner) · datasheet p.2 27 cm² 27cm2 class (rectangular cell)
- Panel thickness
- 0.14 mm min · datasheet p.1 0.225 mm max
- Power temperature coefficient
- -5.6 %/°C datasheet p.2
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier7 lines, in the manufacturer's own wording
- BOL efficiency (average)
- 30.7%
- EOL efficiency at 1e15 fluence
- 26.7%
- Cell technology
- Heritage upright lattice matched XTJ triple-junction
- Qualification standards
- AIAA-S111 and AIAA-S112 (dual qualified)
- Available sizes
- 26–84 cm²
- Flight heritage
- Hundreds of satellites and spacecraft
- Available forms
- Bare cells or CIC assemblies
About
The XTJ Prime is Spectrolab’s proven heritage triple-junction solar cell delivering 30.7% average beginning-of-life efficiency and 26.7% EOL performance at 1e15 1 MeV electron fluence. Based on the upright lattice-matched XTJ structure, it offers decades of accumulated flight heritage across commercial, civil, and defense satellite programs worldwide.
Dual-qualified under both AIAA-S111 and AIAA-S112 standards, the XTJ Prime provides flexible sizing options from 26 to 84 cm² to accommodate a wide variety of spacecraft panel designs. The dual qualification enables broader application across different program requirements. Available as bare cells or complete CIC assemblies with space-qualified coverglass, bypass diode, and interconnects. With over 500 spacecraft powered by Spectrolab cells, the XTJ Prime is a trusted choice for missions requiring proven, reliable solar power generation.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.