Space Solar Cell CIC 3GA-2

CIC GaAs Solar Cell – Space Solar Cell CIC 3GA-2

This Space Solar Cell product is an GaInP2/GaAs/Ge on Ge substrate triple junction solar cell assembly with 30% efficiency28% and 32% also available. The space solar cell assembly is equipped with an discrete Si bypass diode, Interconnects and cover glass. We also offer bare cells version.

 

High-Efficiency Triple Junction CIC Space Solar Cell

The CIC GaAs Solar Cell 3GA-2 is a state-of-the-art triple junction space solar cell engineered with GaInP?/GaAs/Ge layers on a Germanium substrate. With efficiency levels up to 30% also available in 28% and 32%, this product is widely adopted in aerospace power systems, offering exceptional durability, efficiency, and radiation resistance.

As a core component of our Space Solar Cell lineup, this CIC Space Solar Cell integrates discrete silicon bypass diodes, silver-coated kovar interconnectors, and radiation-hardened cover glass, making it suitable for demanding orbital and deep-space missions.

 

Key Features of CIC GaAs Solar Cell 3GA-2



Triple Junction Structure: GaInP?/GaAs/Ge for high conversion efficiency



Proven Radiation Resistance: Qualified under 1×10¹?e/cm² radiation fluence



Customizable Efficiency: Options for 28%, 30%, or 32% average efficiency



Shadow Protection: Discrete Si bypass diodes protect against reverse bias failures



Robust Build: KFB120 cover glass and durable interconnects for space environments



1. Design and Mechanical Data

Base Material GaInP?/GaAs/Ge on Ge substrate

AR-coating TiOx/Al O?

Dimensions 60.65mm±0.1mm × 40.15mm±0.1mm

Cell Area 24.0cm²

Weight 125±12mg/cm²

Thickness 0.30mm±0.05mm

Coverglass KFB 120

Coverglass thickness 120±20?m

Interconnectors Kovar, silver coated

Interconnector thickness 35?m

 

2. Typical Electrical Parameters SCA

Average Open Circuit Voc mV 2740

Average Short Circuit Jsc mA/cm² 17.3

Voltage @ Max. Power Vm mV 2430

Current @ Max. Power Im mA/cm² 16.6

Average Efficiency ?ave 1353W/m² 30%

 

3. Radiation Degradation Fluence 1MeV

Parameters 1×10¹?e/cm² 5×10¹?e/cm² 1×10¹?e/cm²

Im/Im? 0.98 0.96 0.93

Vm/Vm? 0.96 0.92 0.90

Pr/Pm? 0.94 0.88 0.84

 

4. Acceptance Values SCA

Voltage V? 2300mV

Min. average current I?min @ V? 500mA

Min. individual current I?ave @ V? 480mA

 

5. Shadow ProtectionDiscrete bypass diode

Vforward 620mA ?1.0V

Ireverse 4.0V ?0.2mA

 

6. Temperature Coefficients 20??65?

Parameters BOL 1 MeV, 5×10¹?e/cm² 1 MeV, 1×10¹?e/cm²

Jsc µA/cm²/? 11.0 10.0 13.0

Voc mV/? -5.9 -6.1 -6.3

Im µA/cm²/? 9.0 9.5 15.0

Vm mV/? -6.0 -6.2 -6.5

 

7. Threshold Values

Absorptivity ? 0.92

Pull Test at 45° ?0.83N/mm²

Status Qualified

 

IV Test Standard: AM0, 1sun, 1353W/m2, 25?.

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.

 

Qualified for Space: Reliability That Powers Missions

Our CIC Space Solar Cells are qualified for performance, environmental resistance, and mechanical strength. With threshold values such as ?0.92 absorptivity and ?0.83N/mm² pull strength, this product meets the strictest aerospace standards.

If you're looking for a high-performance CIC GaAs Solar Cell with proven flight heritage and customizable parameters, 3GA-2 is your ideal solution.

Explore more Space Solar Cell Products for diverse sizes, configurations, and mission types.