Vietnam Sunergy Joint Stock Company VSUN435-144M-BB

Mono-c-Si

435 W Pmax

49.4 V Voc

11.26 A Isc

40.8 V Vmp

10.67 A Imp

19.88 % eff.

0.7826 FF

72 cells

Same test data as VSUN435-144M and 3 other listings. 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	435.336	W
PTC Power	PTC	406.0	W
Open-circuit voltage	V_oc_ref	49.4	V
Short-circuit current	I_sc_ref	11.26	A
Max-power voltage	V_mp_ref	40.8	V
Max-power current	I_mp_ref	10.67	A
Fill factor	FF	0.7826	—
Efficiency (STC)	η	19.88	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005968	A/°C
Voc temperature coefficient	beta_oc	-0.132392	V/°C
Pmax temperature coefficient	gamma_r	-0.333	%/°C
NOCT	T_NOCT	45.7	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.81424	V
Light-generated current (ref)	I_L_ref	11.2663	A
Saturation current (ref)	I_o_ref	1.67e-11	A
Series resistance	R_s	0.28069	Ω
Shunt resistance (ref)	R_sh_ref	498.0	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	4.4685	%

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-0.0095	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 72

Module area 2.19 m²

NOCT 45.7 °C

Temp. coefficient of Pmax -0.333 %/°C

Temp. coefficient of Voc -0.268 %/°C

Temp. coefficient of Isc 0.053 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

Same Test Data

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

Similar Modules

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