Vietnam Sunergy Joint Stock Company VSUN395-108BMH

Mono-c-Si Bifacial

395 W Pmax

37.0 V Voc

13.59 A Isc

31.0 V Vmp

12.75 A Imp

20.37 % eff.

0.7861 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	395.25	W
PTC Power	PTC	368.1	W
Open-circuit voltage	V_oc_ref	37.0	V
Short-circuit current	I_sc_ref	13.59	A
Max-power voltage	V_mp_ref	31.0	V
Max-power current	I_mp_ref	12.75	A
Fill factor	FF	0.7861	—
Efficiency (STC)	η	20.37	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004757	A/°C
Voc temperature coefficient	beta_oc	-0.09731	V/°C
Pmax temperature coefficient	gamma_r	-0.345	%/°C
NOCT	T_NOCT	45.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.36582	V
Light-generated current (ref)	I_L_ref	13.6053	A
Saturation current (ref)	I_o_ref	2.28e-11	A
Series resistance	R_s	0.13571	Ω
Shunt resistance (ref)	R_sh_ref	120.468	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	7.8545	%

Additional Model Sources

Source	Model type	Fit quality	Citation
CEC module list (via SAM library) Default	CEC / De Soto single-diode	—	https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit	PVsyst single-diode	NMBE Pmp-0.0478	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 54

Module area 1.94 m²

NOCT 45.6 °C

Temp. coefficient of Pmax -0.345 %/°C

Temp. coefficient of Voc -0.263 %/°C

Temp. coefficient of Isc 0.035 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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