First Solar Inc. FS-6440

CdTe
439.586 W Pmax
220.0 V Voc
2.55 A Isc
184.7 V Vmp
2.38 A Imp
17.73 % eff.
0.7836 FF
264 cells
IV curves not yet precomputed for this module. Run 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 414.2 W
Open-circuit voltage V_oc_ref 220.0 V
Short-circuit current I_sc_ref 2.55 A
Max-power voltage V_mp_ref 184.7 V
Max-power current I_mp_ref 2.38 A
Fill factor FF 0.7836
Efficiency (STC) η 17.73 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.001249 A/°C
Voc temperature coefficient beta_oc -0.6028 V/°C
Pmax temperature coefficient gamma_r -0.245 %/°C
NOCT T_NOCT 48.8 °C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 7.3682 V
Light-generated current (ref) I_L_ref 2.55482 A
Saturation current (ref) I_o_ref A
Series resistance R_s 4.85557 Ω
Shunt resistance (ref) R_sh_ref 2568.55 Ω
Cells in series N_s 264
CEC Adjust factor Adjust -17.7667 %
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Module Specifications
Technology CdTe
Bifacial No
BIPV No
Cells in series 264
Module area 2.48 m²
NOCT 48.8 °C
CEC listing date 11/16/2022
Annual degradation 0.5%/yr
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