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Brand range: 240W–640W
Monocrystalline
Silfab SIL-405QD
Max Power
405W
Efficiency
21.43%
Operating V
32.8V
Warranty
25Y
Technical Specifications
| Open Circuit Voltage (Voc) | 38.7V |
| Short Circuit Current (Isc) | 12.96A |
| Voltage at Pmax (Vmp) | 32.8V |
| Current at Pmax (Imp) | 12.34A |
| Temp. Coefficient of Pmax | -0.294%/°C |
| Dimensions | 1766 x 1070 x 35 mm |
| Weight | 23.6kg |
| NOCT | 45.85°C |
| PTC Rating | 386.3W |
📋 Data verified: June 2026
📄 Specs based on STC (1000 W/m², 25°C, AM 1.5)
🏷️ 283 Silfab models in database
FAQ
What is the max power output of the Silfab SIL-405QD?
The Silfab SIL-405QD is rated at 405W under STC (1000 W/m², 25°C, AM 1.5).
How efficient is the Silfab SIL-405QD?
This panel has 21.43% efficiency, which is high for commercial solar panels.
What are the dimensions and weight of the Silfab SIL-405QD?
It measures 1766 x 1070 x 35 mm and weighs 23.6kg.
How does temperature affect the Silfab SIL-405QD?
With a temp coefficient of -0.294%/°C, it outperforms the industry average of -0.35 to -0.40%/°C.
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