Vietnam Sunergy Joint Stock Company VSUN475N-120MH-BB

Mono-c-Si

475 W Pmax

42.78 V Voc

13.78 A Isc

36.24 V Vmp

13.11 A Imp

22.0 % eff.

0.8059 FF

60 cells

Same test data as VSUN475N-120MH and 6 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	475.106	W
PTC Power	PTC	443.4	W
Open-circuit voltage	V_oc_ref	42.78	V
Short-circuit current	I_sc_ref	13.78	A
Max-power voltage	V_mp_ref	36.24	V
Max-power current	I_mp_ref	13.11	A
Fill factor	FF	0.8059	—
Efficiency (STC)	η	22.0	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00554	A/°C
Voc temperature coefficient	beta_oc	-0.118586	V/°C
Pmax temperature coefficient	gamma_r	-0.3446	%/°C
NOCT	T_NOCT	45.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.58447	V
Light-generated current (ref)	I_L_ref	13.78339	A
Saturation current (ref)	I_o_ref	2.58e-11	A
Series resistance	R_s	0.12	Ω
Shunt resistance (ref)	R_sh_ref	488.354	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	3.0566	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 2.16 m²

NOCT 45.8 °C

Temp. coefficient of Pmax -0.345 %/°C

Temp. coefficient of Voc -0.277 %/°C

Temp. coefficient of Isc 0.040 %/°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

8 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 %.