Suntech Power STP235S-20/Wd

Mono-c-Si
235.258 W Pmax
37.0 V Voc
8.35 A Isc
30.2 V Vmp
7.79 A Imp
14.46 % eff.
0.7615 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 235.258 W
PTC Power PTC 212.4 W
Open-circuit voltage V_oc_ref 37.0 V
Short-circuit current I_sc_ref 8.35 A
Max-power voltage V_mp_ref 30.2 V
Max-power current I_mp_ref 7.79 A
Fill factor FF 0.7615
Efficiency (STC) η 14.46 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.005945 A/°C
Voc temperature coefficient beta_oc -0.148518 V/°C
Pmax temperature coefficient gamma_r -0.4301 %/°C
NOCT T_NOCT 46.1 °C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.57537 V
Light-generated current (ref) I_L_ref 8.35994 A
Saturation current (ref) I_o_ref A
Series resistance R_s 0.27711 Ω
Shunt resistance (ref) R_sh_ref 232.68 Ω
Cells in series N_s 60
CEC Adjust factor Adjust -6.1514 %
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Module Specifications
Technology Mono-c-Si
Bifacial No
BIPV No
Cells in series 60
Module area 1.627 m²
Dimensions 1.64 × 0.992 m
NOCT 46.1 °C
CEC listing date 11/16/2022
Annual degradation 0.55%/yr
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