First Solar Inc. FS-6440-P-I
CdTe
439.586
W Pmax
220.0
V Voc
2.56
A Isc
184.7
V Vmp
2.38
A Imp
17.44
% eff.
0.7805
FF
264
cells
python manage.py precompute_iv_curves to generate them.
CEC Single-Diode Model Parameters
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Nameplate (STC) | |||
| STC Power | STC | 439.586 | W |
| PTC Power | PTC | 412.3 | W |
| Open-circuit voltage | V_oc_ref | 220.0 | V |
| Short-circuit current | I_sc_ref | 2.56 | A |
| Max-power voltage | V_mp_ref | 184.7 | V |
| Max-power current | I_mp_ref | 2.38 | A |
| Fill factor | FF | 0.7805 | — |
| Efficiency (STC) | η | 17.44 | % |
| Temperature Coefficients | |||
| Isc temperature coefficient | alpha_sc | 0.001357 | A/°C |
| Voc temperature coefficient | beta_oc | -0.5962 | V/°C |
| Pmax temperature coefficient | gamma_r | -0.279 | %/°C |
| NOCT | T_NOCT | 47.3 | °C |
| CEC Single-Diode (De Soto) Parameters | |||
| Modified ideality factor | a_ref | 7.7384 | V |
| Light-generated current (ref) | I_L_ref | 2.56483 | A |
| Saturation current (ref) | I_o_ref | — | A |
| Series resistance | R_s | 4.48494 | Ω |
| Shunt resistance (ref) | R_sh_ref | 2375.05 | Ω |
| Cells in series | N_s | 264 | — |
| CEC Adjust factor | Adjust | -6.4674 | % |
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Module Specifications
Technology
CdTe
Bifacial
No
BIPV
No
Cells in series
264
Module area
2.52 m²
NOCT
47.3 °C
CEC listing date
11/16/2022
Annual degradation
0.5%/yr
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