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SC-3GA-4 Space Triple Junction GaAs Solar Cell Assembly Eff 32%.CIC

Size: 32% Triple Junction Solar Cell(CIC)
Area: 3015mm2/Size: 80.0mm×40.0mm /Thickness: 155±20 um 
Weight:<125mg/cm2(with cover glass and bypass diode )
Typical Electrical Parameters (AM0, 135.3mW/cm2, 25℃)
Jsc=19.1mA/cm2,Voc=2.70V,Vm=2.36,Jm=18.5,Eff= 32%
  • SC-3GA-4

  • YIM

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32% Triple Junction GaAs Solar Cell (40cm×80cm)

This cell type is an GaInP2/GaAs/Ge on Ge substrate triple junction solar cell (efficiency class 32%). The solar cell has an active area of 30 cm2 .

The solar cell assembly is equipped with an discrete Si bypass diode, interconnectors and cover glass.

Triple-junction GaAs Solar Array

Features

Triple-junction GaAs Solar Array is consiste  Triple-junction GaAs Solar Array or solar panels in a certain way of electrical assembly.Characteristics is high output power,high strong anti-radiation capacity,wide application range.

Applications

LEO,MEO,GEO and explorations of the spacecraft

Flight experience

satellites of SJ series ,satellites of GY series.

Each product we will provide a rigorous test report.

Used for space solar system projects and space solar power systems, space grade solar cells, and excellent space engineers solar panels.

图片1

32% Triple Junction GaAs Solar Cell Assembly

   This cell type is an GaInP2/GaAs/Ge on Ge substrate triple junction solar cell assembly (efficiency class 32%). The solar cell assembly is equipped with an discrete Si bypass diode, interconnectors and cover glass.

1.    Design and Mechanical Data

Base Material

GaInP2/GaAs/Ge on Ge substrate

AR-coating

TiOX/Al2O3

Dimensions

(60.15±0.05)mm×(40.15±0.05)mm

Cell Area

24.00cm2

Weight

2.025g

Thickness

0.161mm

Coverglass

KFB 120

Coverglass thickness

120±20μm

Interconnectors(3× front side/1× diode)

Ag

Interconnector thickness

17μm

2.    Typical Electrical Parameters (SCA)

Average Open Circuit Voc (mV)

2650

Average Short Circuit Jsc (mA/cm2)

19.1

Voltage @ Max. PowerVm (mV)

2350

Current @ Max. PowerJm (mA/cm2)

18.45

Average Efficiency ηbare (1353W/m2)

32%

Average Fill Factor

0.850

Standard:AM0, 1sun, 1353W/m2, 25℃.

3.    Radiation Degradation ( Fluence 1MeV )

Parameters

1×1015e/cm2

Im/Im0

0.95

Vm/Vm0

0.88

Pm/Pm0

0.84

4.    Acceptance Values (SCA )

Voltage VL

2200mV

Min. average current IL min @ VL

540mA

Min. individual current IL ave @ VL

520mA

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


Jm (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


3GA-3-32%2(1)

3GA-3-32%-1(1)



Shanghai YIM of Space Power-sources specializes in supplying China Aerospace Group (CASC) space solar cell products. Shanghai YIM main tasks cover the design, supply, test and new product research of...

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