Wuxi Suntech Power Co. Ltd STP405S-A72U/Vfh

Mono-c-Si

405.3 W Pmax

49.2 V Voc

10.54 A Isc

42.0 V Vmp

9.65 A Imp

20.37 % eff.

0.7816 FF

72 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	405.3	W
PTC Power	PTC	377.9	W
Open-circuit voltage	V_oc_ref	49.2	V
Short-circuit current	I_sc_ref	10.54	A
Max-power voltage	V_mp_ref	42.0	V
Max-power current	I_mp_ref	9.65	A
Fill factor	FF	0.7816	—
Efficiency (STC)	η	20.37	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003478	A/°C
Voc temperature coefficient	beta_oc	-0.129396	V/°C
Pmax temperature coefficient	gamma_r	-0.34	%/°C
NOCT	T_NOCT	45.5	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.84324	V
Light-generated current (ref)	I_L_ref	10.5566	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.13906	Ω
Shunt resistance (ref)	R_sh_ref	88.468	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	11.2535	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.99 m²

NOCT 45.5 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr