32% Efficiency Triple Junction GaAs Solar Cell
CAVU Aerospace
A premium, high-efficiency triple-junction GaAs solar cell designed for space missions, offering 32% efficiency at BOL and robust radiation tolerance for LEO and deep space applications.
Key figurescomparable across the catalogue
- Mass
- 0.002 kg
- Power
- 1.33 W
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Efficiency at BOL
- 32%
- Open circuit voltage (Voc)
- 2.666 V
- Maximum power (Pmax)
- 1.331 W
- Efficiency (AM0 spectrum, 25°C)
- 32.63%
- Radiation tolerance
- Maintains efficiency after exposure to high radiation levels
- Temperature stability
- Optimized for a wide range of temperatures
- PN junction structure
- n/p triple-junction, GaInP2/Gassing/Ge
- Top electrode
- AuGeNi/Au/Ag/Au
- Bottom electrode
- Pd/Ag/Au
- Antireflection film
- TiOx/Al2O3
- Bypass diode
- External bypass diode
- Area
- 30.15 cm2
- Weight
- 2.40±0.35 g
- Short Circuit Isc
- 580 mA
- Fill Factor
- 0.855
- Absorptance
- ≤0.92
- Emittance
- 0.84±0.03
About
The 32% Efficiency Triple Junction GaAs Solar Cell is a premium, high-efficiency solar cell engineered for space missions demanding robust and reliable energy sources. Its advanced triple-junction design, incorporating GaInP/InGaAs/Ge layers, is optimized to capture a broad spectrum of solar wavelengths, thereby maximizing power generation for satellites and spacecraft. With an impressive 32% efficiency at the beginning of life (BOL), this solar cell delivers superior performance and radiation tolerance, making it an ideal choice for both low-Earth orbit (LEO) and deep space missions. Key features include high efficiency (32% at BOL), triple junction technology for optimized energy capture across different wavelengths, and robust radiation resistance to maintain significant efficiency after prolonged exposure to the harsh space radiation environment. Its lightweight and compact design further enhances its suitability for satellites and spacecraft with strict weight limitations. The solar cell is specifically engineered to withstand high doses of radiation typically encountered in space, retaining a significant portion of its efficiency even after intense radiation exposure, ensuring its suitability for long-duration missions. It also boasts excellent temperature stability, optimized for a wide range of temperatures to enable stable operation in extreme space environments.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.