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Triple Junction GaAs Solar Cell Assembly SC-3GA68-3
This cell type is an GaInP2 GaAs Ge on Ge substrate triple junction solar cell assembly (efficiency class 30%) The solar cell assembly is equipped with an discrete Si bypass diode, interconnectors and cover glass
30% Triple Junction GaAs Junction Solar Cell Type: TJ Solar Cell SC-3GA68-3 Advanced (120mm x 60mm)
| 1. Design and Mechanical Data | |||
| Base Material | GaInP2/GaAs/Ge on Ge substrate | ||
| AR-coating | TiOX/Al2O3 | ||
| Dimensions | (120.1±0.1)mm×(60.1±0.1)mm | ||
| Cell Area | 68.6cm2 | ||
| Weight | (165±15)mg/cm2（225μm Ge substrate） | ||
| Thickness | 0.45±0.10mm（225μm Ge substrate） | ||
| Coverglass | KFB 120 | ||
| Coverglass thickness | 120±20μm | ||
| Interconnectors (4× front side/1× diode) | Kovar, silver coated | ||
| Interconnector thickness | 25μm | ||
| 2. Typical Electrical Parameters (SCA) | |||
| Average Open Circuit Voc (mV) | 2740 | ||
| Average Short Circuit Jsc (mA/cm2) | 17.1 | ||
| Voltage@ Max. Power Vm (mV) | 2410 | ||
| Current@ Max. Power Jm (mA/cm2) | 16.8 | ||
| Average Efficiency ηbare (1353W/m2) | 0.299 | ||
| Average Efficiency ηbare (1367W/m2) | 0.296 | ||
| Average Fill Factor | 0.85 | ||
| Standard：AM0, 1sun, 25℃ | |||
| 3. Radiation Degradation ( Fluence 1MeV ) | |||
| Parameters | 1×1014e/cm2 | 5×1014e/cm2 | 1×1015e/cm2 |
| Im/Im0 | 0.99 | 0.97 | 0.93 |
| Vm/Vm0 | 0.96 | 0.93 | 0.92 |
| Pm/Pm0 | 0.95 | 0.9 | 0.85 |
| 4. Acceptance Values (SCA ) | |||
| Voltage VL | 2350mV | ||
| Min. average current IL min @ VL | 1150mA | ||
| Min. individual current IL ave @ VL | 1140mA | ||
| 5. Shadow Protection (Discrete bypass diode) | |||
| Vforward(1.4A) | ≤1.0V | ||
| Ireverse(4.0V) | ≤200μA | ||
| 6. Temperature Coefficients (20℃～65℃) | |||
| Parameters | BOL | 1 MeV, 5×1014e/cm2 | 1 MeV, 1×1015e/cm2 |
| Jsc (μA/cm2/℃) | 11 | 10 | 13 |
| Voc (mV/℃) | -5.9 | -6.1 | -6.3 |
| Jm (μA/cm2/℃) | 9 | 9.5 | 15 |
| Vm (mV/℃) | -6 | -6.2 | -6.5 |
| 7. Threshold Values | |||
| Absorptivity | ≤ 0.92 | ||
| Pull Test (at 45°) | ≥0.83N/mm2 | ||
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