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-7505A-TR1 leverages Thin-Film technology to achieve 18.04% module efficiency and 505W maximum power. Key specs: Voc=223.9V, Isc=3.01A, Vmp=182.5V, Imp=2.77A. Warranty: 25 years.
🏭View all 218 First Solar models Brand range: 67.5W–550W
Thin-Film

First Solar FS-7505A-TR1

Max Power
505W
Efficiency
18.04%
Operating V
182.5V
Warranty
25Y
First Solar FS-7505A-TR1 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

How efficient is the First Solar FS-7505A-TR1?

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

What are the dimensions and weight of the First Solar FS-7505A-TR1?

It measures 2149 x 1303 x 35 mm and weighs 35.0kg.

How does temperature affect the First Solar FS-7505A-TR1?

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

What is the max power output of the First Solar FS-7505A-TR1?

The First Solar FS-7505A-TR1 is rated at 505W under STC (1000 W/m², 25°C, AM 1.5).

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