Vietnam Sunergy Joint Stock Company VSUN440N-108MH

Mono-c-Si

440 W Pmax

39.38 V Voc

13.85 A Isc

33.37 V Vmp

13.18 A Imp

22.52 % eff.

0.8064 FF

54 cells

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	439.817	W
PTC Power	PTC	415.8	W
Open-circuit voltage	V_oc_ref	39.38	V
Short-circuit current	I_sc_ref	13.85	A
Max-power voltage	V_mp_ref	33.37	V
Max-power current	I_mp_ref	13.18	A
Fill factor	FF	0.8064	—
Efficiency (STC)	η	22.52	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004487	A/°C
Voc temperature coefficient	beta_oc	-0.092661	V/°C
Pmax temperature coefficient	gamma_r	-0.3004	%/°C
NOCT	T_NOCT	44.9	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.36092	V
Light-generated current (ref)	I_L_ref	13.8557	A
Saturation current (ref)	I_o_ref	3.72e-12	A
Series resistance	R_s	0.12588	Ω
Shunt resistance (ref)	R_sh_ref	305.903	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	3.8505	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 54

Module area 1.9528 m²

NOCT 44.9 °C

Temp. coefficient of Pmax -0.300 %/°C

Temp. coefficient of Voc -0.235 %/°C

Temp. coefficient of Isc 0.032 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

3 listings with identical nameplate test data, one per frame, color or backsheet version.

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