Wuxi Suntech Power Co. Ltd STP285S-20/Wfb

Mono-c-Si
285.3 W Pmax
38.4 V Voc
9.47 A Isc
31.7 V Vmp
9.0 A Imp
17.61 % eff.
0.7845 FF
60 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 285.3 W
PTC Power PTC 259.4 W
Open-circuit voltage V_oc_ref 38.4 V
Short-circuit current I_sc_ref 9.47 A
Max-power voltage V_mp_ref 31.7 V
Max-power current I_mp_ref 9.0 A
Fill factor FF 0.7845
Efficiency (STC) η 17.61 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.00536 A/°C
Voc temperature coefficient beta_oc -0.126989 V/°C
Pmax temperature coefficient gamma_r -0.4466 %/°C
NOCT T_NOCT 45.0 °C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.61809 V
Light-generated current (ref) I_L_ref 9.56981 A
Saturation current (ref) I_o_ref A
Series resistance R_s 0.2099 Ω
Shunt resistance (ref) R_sh_ref 393.245 Ω
Cells in series N_s 60
CEC Adjust factor Adjust 12.0834 %
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Module Specifications
Technology Mono-c-Si
Bifacial No
BIPV No
Cells in series 60
Module area 1.62 m²
NOCT 45.0 °C
CEC listing date 11/16/2022
Annual degradation 0.55%/yr
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