S SOLARSPECS
First Solar is the largest American solar panel manufacturer and the only major producer of thin-film CdTe modules. Technical specifications for the First Solar FS-7505A-FT1: maximum power 505W, efficiency 18.04%, Vmp 182.5V, Voc 223.9V, Isc 3.01A. This Thin-Film module carries a 25-year warranty.
🏭View all 218 First Solar models Brand range: 67.5W–550W
Thin-Film

First Solar FS-7505A-FT1

Max Power
505W
Efficiency
18.04%
Operating V
182.5V
Warranty
25Y
First Solar FS-7505A-FT1 logo
Technical Specifications
Open Circuit Voltage (Voc)223.9V
Short Circuit Current (Isc)3.01A
Voltage at Pmax (Vmp)182.5V
Current at Pmax (Imp)2.77A
Temp. Coefficient of Pmax-0.295%/°C
Dimensions2149 x 1303 x 35 mm
Weight35.0kg
NOCT48.94°C
PTC Rating478.0W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 218 First Solar models in database

FAQ

What is the max power output of the First Solar FS-7505A-FT1?

The First Solar FS-7505A-FT1 is rated at 505W under STC (1000 W/m², 25°C, AM 1.5).

How long is the warranty for the First Solar FS-7505A-FT1?

The FS-7505A-FT1 comes with a 25-year product warranty covering defects and degradation.

How efficient is the First Solar FS-7505A-FT1?

This panel has 18.04% efficiency, which is standard for commercial solar panels.

How does temperature affect the First Solar FS-7505A-FT1?

With a temp coefficient of -0.295%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.

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