Wuxi Suntech Power Co. Ltd STP305S-20/Wfw

Mono-c-Si

305.04 W Pmax

39.8 V Voc

9.8 A Isc

32.8 V Vmp

9.3 A Imp

18.83 % eff.

0.7821 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	305.04	W
PTC Power	PTC	278.1	W
Open-circuit voltage	V_oc_ref	39.8	V
Short-circuit current	I_sc_ref	9.8	A
Max-power voltage	V_mp_ref	32.8	V
Max-power current	I_mp_ref	9.3	A
Fill factor	FF	0.7821	—
Efficiency (STC)	η	18.83	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005547	A/°C
Voc temperature coefficient	beta_oc	-0.131619	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	1.67688	V
Light-generated current (ref)	I_L_ref	9.90433	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.21702	Ω
Shunt resistance (ref)	R_sh_ref	339.209	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	12.0484	%

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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