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Brand range: 240W–640W
Monocrystalline
Silfab SIL-390NU
Max Power
390W
Efficiency
19.9%
Operating V
39.2V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 48.3V |
| Short Circuit Current (Isc) | 10.27A |
| Voltage at Pmax (Vmp) | 39.2V |
| Current at Pmax (Imp) | 9.95A |
| Temp. Coefficient of Pmax | -0.409%/°C |
| Dimensions | 1798 x 1090 x 35 mm |
| Weight | 24.5kg |
| NOCT | 44.3°C |
| PTC Rating | 367.0W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 283 Silfab models in database
FAQ
How efficient is the Silfab SIL-390NU?
This panel has 19.9% efficiency, which is above average for commercial solar panels.
How long is the warranty for the Silfab SIL-390NU?
The SIL-390NU comes with a 25-year product warranty covering defects and degradation.
What are the dimensions and weight of the Silfab SIL-390NU?
It measures 1798 x 1090 x 35 mm and weighs 24.5kg.
What is the max power output of the Silfab SIL-390NU?
The Silfab SIL-390NU is rated at 390W under STC (1000 W/m², 25°C, AM 1.5).
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