Vietnam Sunergy Joint Stock Company VSUN620N-132BMHR-DG

Mono-c-Si Bifacial

620 W Pmax

48.7 V Voc

15.95 A Isc

41.23 V Vmp

15.04 A Imp

22.96 % eff.

0.7983 FF

66 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	620.099	W
PTC Power	PTC	586.8	W
Open-circuit voltage	V_oc_ref	48.7	V
Short-circuit current	I_sc_ref	15.95	A
Max-power voltage	V_mp_ref	41.23	V
Max-power current	I_mp_ref	15.04	A
Fill factor	FF	0.7983	—
Efficiency (STC)	η	22.96	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007433	A/°C
Voc temperature coefficient	beta_oc	-0.114688	V/°C
Pmax temperature coefficient	gamma_r	-0.2899	%/°C
NOCT	T_NOCT	45.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.69515	V
Light-generated current (ref)	I_L_ref	15.96431	A
Saturation current (ref)	I_o_ref	5.22e-12	A
Series resistance	R_s	0.13634	Ω
Shunt resistance (ref)	R_sh_ref	152.005	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	5.2944	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 2.701 m²

NOCT 45.2 °C

Temp. coefficient of Pmax -0.290 %/°C

Temp. coefficient of Voc -0.235 %/°C

Temp. coefficient of Isc 0.047 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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