First SolarFS-4122A-3
The First Solar FS-4122A-3 is a solar panel with peak power 122.5 Wp, efficiency 17 % and cell type thin film (CdTe).1
Key figures
Technical specifications
| General | |
|---|---|
| Cell type | Thin film (CdTe)1 |
| Cells (in series) | 2161 |
| Performance | |
| Peak power | 122.5 Wp1 |
| PTC power rating | 114.5 W1 |
| Efficiency | |
| Efficiency | 17 %1 |
| Temperature coefficient Pmax | -0.31 %/°C1 |
| Nominal operating cell temperature (NOCT) | 45.77 °C1 |
| Electrical | |
| Open-circuit voltage (Voc) | 88.7 V1 |
| Short-circuit current (Isc) | 1.85 A1 |
| Voltage at Pmax (Vmp) | 71.5 V1 |
| Current at Pmax (Imp) | 1.71 A1 |
| Dimensions & weight | |
| Width | 600 mm1 |
| Height | 1,200 mm1 |
Frequently asked questions
What is the peak power of the First Solar FS-4122A-3?
The peak power of the First Solar FS-4122A-3 is 122.5 Wp.1
What is the efficiency of the First Solar FS-4122A-3?
The efficiency of the First Solar FS-4122A-3 is 17 %.1
Which cell type does the First Solar FS-4122A-3 use?
The cell type of the First Solar FS-4122A-3 is thin film (CdTe).1
What is the temperature coefficient Pmax of the First Solar FS-4122A-3?
The temperature coefficient Pmax of the First Solar FS-4122A-3 is -0.311 %/°C.1
Sources
- CEC Solar Equipment List – PV modules — California Energy Commission · accessed 27 Sept 2026