Wuxi Suntech Power Co. Ltd STP285S-20/Wfm

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	261.4	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	0.00465	A/°C
Voc temperature coefficient	beta_oc	-0.126144	V/°C
Pmax temperature coefficient	gamma_r	-0.4428	%/°C
NOCT	T_NOCT	43.6	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.6004	V
Light-generated current (ref)	I_L_ref	9.57023	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.21402	Ω
Shunt resistance (ref)	R_sh_ref	370.412	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	10.557	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.62 m²

NOCT 43.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr