DONGGUAN SUNWORTH SOLAR ENERGY CO LTD SW520M

Mono-c-Si

520 W Pmax

48.33 V Voc

13.57 A Isc

40.61 V Vmp

12.8 A Imp

27.36 % eff.

0.7926 FF

72 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	519.808	W
PTC Power	PTC	494.6	W
Open-circuit voltage	V_oc_ref	48.33	V
Short-circuit current	I_sc_ref	13.57	A
Max-power voltage	V_mp_ref	40.61	V
Max-power current	I_mp_ref	12.8	A
Fill factor	FF	0.7926	—
Efficiency (STC)	η	27.36	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006785	A/°C
Voc temperature coefficient	beta_oc	-0.125175	V/°C
Pmax temperature coefficient	gamma_r	-0.339	%/°C
NOCT	T_NOCT	42.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.79048	V
Light-generated current (ref)	I_L_ref	13.58016	A
Saturation current (ref)	I_o_ref	2.53e-11	A
Series resistance	R_s	0.16608	Ω
Shunt resistance (ref)	R_sh_ref	221.755	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	10.2256	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.9 m²

NOCT 42.3 °C

Temp. coefficient of Pmax -0.339 %/°C

Temp. coefficient of Voc -0.259 %/°C

Temp. coefficient of Isc 0.050 %/°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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