S SOLARSPECS
First Solar is the largest American solar panel manufacturer and the only major producer of thin-film CdTe modules. The First Solar FS-6450A-P-B-I (450W, 17.86%) is a Thin-Film photovoltaic module. Electrical: Voc 221.1V, Isc 2.57A, Vmp 186.8V, Imp 2.41A. Temp coeff -0.296%/°C.
🏭View all 218 First Solar models Brand range: 67.5W–550W
Thin-Film

First Solar FS-6450A-P-B-I

Max Power
450W
Efficiency
17.86%
Operating V
186.8V
Warranty
25Y
First Solar FS-6450A-P-B-I logo
Technical Specifications
Open Circuit Voltage (Voc)221.1V
Short Circuit Current (Isc)2.57A
Voltage at Pmax (Vmp)186.8V
Current at Pmax (Imp)2.41A
Temp. Coefficient of Pmax-0.296%/°C
Dimensions2039 x 1236 x 35 mm
Weight31.5kg
NOCT50.1°C
PTC Rating424.6W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 218 First Solar models in database

FAQ

How long is the warranty for the First Solar FS-6450A-P-B-I?

The FS-6450A-P-B-I comes with a 25-year product warranty covering defects and degradation.

How does temperature affect the First Solar FS-6450A-P-B-I?

With a temp coefficient of -0.296%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.

What are the dimensions and weight of the First Solar FS-6450A-P-B-I?

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

How efficient is the First Solar FS-6450A-P-B-I?

This panel has 17.86% efficiency, which is standard for commercial solar panels.

Compare This Panel

Add this First Solar FS-6450A-P-B-I to compare specs side-by-side with other commercial solar panels.

📄 Download

Save this datasheet as PDF for offline reference.

Share

Advertisement
📊 Brand Context

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

Browse all First Solar models →
0 to Compare