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Brand range: 67.5W–550W
Thin-Film
First Solar FS-275
Max Power
75W
Efficiency
10.42%
Operating V
69.4V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 92V |
| Short Circuit Current (Isc) | 1.2A |
| Voltage at Pmax (Vmp) | 69.4V |
| Current at Pmax (Imp) | 1.08A |
| Temp. Coefficient of Pmax | -0.166%/°C |
| Dimensions | 1200 x 600 x 35 mm |
| Weight | 9.0kg |
| NOCT | 44.9°C |
| PTC Rating | 73.1W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 218 First Solar models in database
FAQ
How efficient is the First Solar FS-275?
This panel has 10.42% efficiency, which is standard for commercial solar panels.
How long is the warranty for the First Solar FS-275?
The FS-275 comes with a 25-year product warranty covering defects and degradation.
How does temperature affect the First Solar FS-275?
With a temp coefficient of -0.166%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
What is the max power output of the First Solar FS-275?
The First Solar FS-275 is rated at 75W under STC (1000 W/m², 25°C, AM 1.5).
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📊 Brand Context
First Solar offers 218 solar panel models from 67.5W to 550W.
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