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Brand range: 67.5W–550W
Thin-Film
First Solar FS-7540A-TR1
Max Power
540W
Efficiency
19.29%
Operating V
188.7V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 227.7V |
| Short Circuit Current (Isc) | 3.06A |
| Voltage at Pmax (Vmp) | 188.7V |
| Current at Pmax (Imp) | 2.86A |
| Temp. Coefficient of Pmax | -0.295%/°C |
| Dimensions | 2149 x 1303 x 35 mm |
| Weight | 35.0kg |
| NOCT | 48.94°C |
| PTC Rating | 511.1W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 218 First Solar models in database
FAQ
What is the max power output of the First Solar FS-7540A-TR1?
The First Solar FS-7540A-TR1 is rated at 540W under STC (1000 W/m², 25°C, AM 1.5).
How long is the warranty for the First Solar FS-7540A-TR1?
The FS-7540A-TR1 comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the First Solar FS-7540A-TR1?
It measures 2149 x 1303 x 35 mm and weighs 35.0kg.
How does temperature affect the First Solar FS-7540A-TR1?
With a temp coefficient of -0.295%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
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☀️ Top Performer
This First Solar model ranks among the brand's most efficient panels at 19.29%.
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