S SOLARSPECS
First Solar is the largest American solar panel manufacturer and the only major producer of thin-film CdTe modules. First Solar's FS-6475A-P-I leverages Thin-Film technology to achieve 18.85% module efficiency and 475W maximum power. Key specs: Voc=224.8V, Isc=2.61A, Vmp=191.5V, Imp=2.48A. Warranty: 25 years.
🏭View all 218 First Solar models→ Brand range: 67.5W–550W
Thin-Film

First Solar FS-6475A-P-I

Max Power
475W
Efficiency
18.85%
Operating V
191.5V
Warranty
25Y
First Solar FS-6475A-P-I logo
Technical Specifications
Open Circuit Voltage (Voc)224.8V
Short Circuit Current (Isc)2.61A
Voltage at Pmax (Vmp)191.5V
Current at Pmax (Imp)2.48A
Temp. Coefficient of Pmax-0.272%/°C
Dimensions2039 x 1236 x 35 mm
Weight31.5kg
NOCT46.58°C
PTC Rating454.0W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 218 First Solar models in database

FAQ

What are the dimensions and weight of the First Solar FS-6475A-P-I?

It measures 2039 x 1236 x 35 mm and weighs 31.5kg.

What is the max power output of the First Solar FS-6475A-P-I?

The First Solar FS-6475A-P-I is rated at 475W under STC (1000 W/m², 25°C, AM 1.5).

How does temperature affect the First Solar FS-6475A-P-I?

With a temp coefficient of -0.272%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.

How long is the warranty for the First Solar FS-6475A-P-I?

The FS-6475A-P-I comes with a 25-year product warranty covering defects and degradation.

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First Solar offers 218 solar panel models from 67.5W to 550W.

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