First Solar Inc. FS-4120A-3

Thin Film

120.36 W Pmax

88.7 V Voc

1.84 A Isc

70.8 V Vmp

1.7 A Imp

16.72 % eff.

0.7375 FF

216 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	120.36	W
PTC Power	PTC	112.1	W
Open-circuit voltage	V_oc_ref	88.7	V
Short-circuit current	I_sc_ref	1.84	A
Max-power voltage	V_mp_ref	70.8	V
Max-power current	I_mp_ref	1.7	A
Fill factor	FF	0.7375	—
Efficiency (STC)	η	16.72	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.001336	A/°C
Voc temperature coefficient	beta_oc	-0.318167	V/°C
Pmax temperature coefficient	gamma_r	-0.3108	%/°C
NOCT	T_NOCT	45.8	°C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	3.29948	V
Light-generated current (ref)	I_L_ref	1.84652	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	4.6655	Ω
Shunt resistance (ref)	R_sh_ref	1316.4	Ω
Cells in series	N_s	216	—
CEC Adjust factor	Adjust	-20.2393	%

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Module Specifications

Technology Thin Film

Bifacial No

BIPV No

Cells in series 216

Module area 0.72 m²

Dimensions 1.2 × 0.6 m

NOCT 45.8 °C

CEC listing date 11/16/2022

Annual degradation 0.5%/yr

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