Vietnam Sunergy Joint Stock Company VSUN490-132MH-BW

Mono-c-Si

490 W Pmax

45.0 V Voc

13.78 A Isc

38.0 V Vmp

12.9 A Imp

20.68 % eff.

0.7905 FF

66 cells

Same test data as VSUN490-132MH and 1 other listing. CEC lists each frame, color and backsheet version as its own listing.

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	490.2	W
PTC Power	PTC	458.5	W
Open-circuit voltage	V_oc_ref	45.0	V
Short-circuit current	I_sc_ref	13.78	A
Max-power voltage	V_mp_ref	38.0	V
Max-power current	I_mp_ref	12.9	A
Fill factor	FF	0.7905	—
Efficiency (STC)	η	20.68	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005636	A/°C
Voc temperature coefficient	beta_oc	-0.11511	V/°C
Pmax temperature coefficient	gamma_r	-0.3268	%/°C
NOCT	T_NOCT	45.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.63746	V
Light-generated current (ref)	I_L_ref	13.79595	A
Saturation current (ref)	I_o_ref	1.56e-11	A
Series resistance	R_s	0.14172	Ω
Shunt resistance (ref)	R_sh_ref	122.412	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	7.3424	%

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 Pmp0.0707	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data

Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 2.37 m²

NOCT 45.6 °C

Temp. coefficient of Pmax -0.327 %/°C

Temp. coefficient of Voc -0.256 %/°C

Temp. coefficient of Isc 0.041 %/°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.

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.