Vietnam Sunergy Joint Stock Company VSUN520N-132BMH-DG-BW

Mono-c-Si Bifacial

520 W Pmax

47.19 V Voc

13.68 A Isc

39.88 V Vmp

13.04 A Imp

21.9 % eff.

0.8056 FF

66 cells

Same test data as VSUN520N-132BMH-DG and 2 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	520.035	W
PTC Power	PTC	492.4	W
Open-circuit voltage	V_oc_ref	47.19	V
Short-circuit current	I_sc_ref	13.68	A
Max-power voltage	V_mp_ref	39.88	V
Max-power current	I_mp_ref	13.04	A
Fill factor	FF	0.8056	—
Efficiency (STC)	η	21.9	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005458	A/°C
Voc temperature coefficient	beta_oc	-0.111085	V/°C
Pmax temperature coefficient	gamma_r	-0.2908	%/°C
NOCT	T_NOCT	44.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.62248	V
Light-generated current (ref)	I_L_ref	13.68466	A
Saturation current (ref)	I_o_ref	3.17e-12	A
Series resistance	R_s	0.16315	Ω
Shunt resistance (ref)	R_sh_ref	479.405	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	2.4393	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 2.3746 m²

NOCT 44.6 °C

Temp. coefficient of Pmax -0.291 %/°C

Temp. coefficient of Voc -0.235 %/°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

4 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 %.