Space Solar Cell Cic 3ga 2 - China

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% efficiency(28% 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 GaInP₂/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: GaInP₂/GaAs/Ge for high conversion efficiency Proven Radiation Resistance: Qualified under 1×10¹⁵e/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 GaInP₂/GaAs/Ge on Ge substrate

AR-coating TiOx/Al O₃

Dimensions (60.65mm±0.1mm) × (40.15mm±0.1mm)

Cell Area 24.0cm²

Weight (125±12)mg/cm²

Thickness 0.30mm±0.05mm

Coverglass KFB 120

Coverglass thickness 120±20μm

Interconnectors Kovar, silver coated

Interconnector thickness 35μm

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 ηave (1353W/m²) 30%

3 - Radiation Degradation ( Fluence 1MeV )

Parameters 1×10¹⁴e/cm² 5×10¹⁴e/cm² 1×10¹⁵e/cm²

Im/Im₀ 0.98 0.96 0.93

Vm/Vm₀ 0.96 0.92 0.90

Pr/Pm₀ 0.94 0.88 0.84

4 - Acceptance Values (SCA )

Voltage Vₗ 2300mV

Min.

average current Iₗmin @ Vₗ 500mA

Min.

individual current Iₗave @ Vₗ 480mA

5 - Shadow Protection(Discrete bypass diode)

Vforward (620mA) ≤1.0V

Ireverse (4.0V) ≤0.2mA

6 - Temperature Coefficients (20℃～65℃)

Parameters BOL 1 MeV, 5×10¹⁴e/cm² 1 MeV, 1×10¹⁵e/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.

Company Contact:

• Posted By: Shanghai Gulier Industry Company

• Phone: 02152910060

• Address: 1807, E Block, Pufa Plaza,Zhongshanbei Road, Putuo area, Shanghai , Shanghai , China

• Email:

• Website: https://www.shgulier.com/

• Business Description: Shanghai Gulier is a leader of providing advanced triple-junction GaAs solar cells, solar panels and power solutions for space applications.
  
  With years of expertise(since 2014) in space solar cell technology, Shgulier combines cutting-edge innovation with proven reliability to deliver high-efficiency, light-weight, and durable photovoltaic solutions.
  
  Our state-of-the-art products, including TJ GaAs solar cells, customized solar panels and solar arrays, are optimized for both Low Earth Orbit (LEO) and Geo-stationary Orbit (GEO) satellites, as well as terrestrial concentrated photovoltaic (CPV) IOT industry(micro solar cells).
  
  Shanghai Guliers solar cells and power systems are trusted by leading space agencies, satellite manufacturers, integrator and energy providers worldwide.
  
  With a strong focus on research and development, Shgulier also offers customized power solutions, energy storage systems, catering to the evolving needs of the space and energy sectors.
  
  We support shipping to 90% of the countries worldwide.
  
  Over past 10 years, more than 80 global enterprises have placed their trust in us, more than 100 sets products are in the space, a testament to our unwavering excellence and commitment.
  
  And Still Counting.
  
  Employee Expertise:
  
  Shanghai Gulier is powered by a highly skilled workforce, with employees averaging over 20 years of experience in the aerospace and energy industries.
  
  Our team’s deep expertise and long-term commitment ensure the delivery of cutting-edge solutions and unparalleled reliability in every project.
  
  Production Center Overview:
  
  Shanghai gulier’s cooperating production center employs over 1, 000 professionals, including more than 600 technical personnel, 60+ doctorate holders, and 400+ master’s degree holders.
  
  The facility is supported by a distinguished team of 40+ provincial and ministerial-level experts, including recipients of the “National Thousand Talents” Plan, State Council special allowance experts, and leading talents in aerospace and energy fields.
  
  The production center is the first State Key Laboratory of Space Power-Sources Technology in China, as well as the International Science & Technology Cooperation Base of Space Power-Sources, the National Innovative Talents Training Demonstration Base, and the Internet "Entrepreneurship and Innovation" Public Service Platform of Power Source Industry.
  
  Additionally, they operates 7 provincial research centers, focusing on physical, chemical, and electrical power sources.
  
  It has been instrumental in supporting critical national projects, including manned spaceflight, lunar exploration, Beidou navigation, deep space exploration, and next-generation spacecraft development.
  
  With world-class infrastructure and a commitment to excellence, the production center is at the forefront of space power technology and renewable energy innovation.