S SOLARSPECS
First Solar is the largest American solar panel manufacturer and the only major producer of thin-film CdTe modules. Designed for commercial rooftop systems, the First Solar FS-6475-P-B combines 475W power output with 18.85% efficiency in a Thin-Film form factor.
🏭View all 218 First Solar models→ Brand range: 67.5W–550W
Thin-Film

First Solar FS-6475-P-B

Max Power
475W
Efficiency
18.85%
Operating V
191.5V
Warranty
25Y
First Solar FS-6475-P-B 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-0.296%/°C
Dimensions2039 x 1236 x 35 mm
Weight31.5kg
NOCT50.1°C
PTC Rating448.2W
📋 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-6475-P-B?

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

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

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

How efficient is the First Solar FS-6475-P-B?

This panel has 18.85% efficiency, which is standard for commercial solar panels.

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

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

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📊 Brand Context

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

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