Silfab Solar Inc. SIL-520HM

Mono-c-Si

520 W Pmax

46.265 V Voc

13.59 A Isc

39.986 V Vmp

13.007 A Imp

22.61 % eff.

0.8272 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	520.096	W
PTC Power	PTC	475.0	W
Open-circuit voltage	V_oc_ref	46.265	V
Short-circuit current	I_sc_ref	13.59	A
Max-power voltage	V_mp_ref	39.986	V
Max-power current	I_mp_ref	13.007	A
Fill factor	FF	0.8272	—
Efficiency (STC)	η	22.61	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.008195	A/°C
Voc temperature coefficient	beta_oc	-0.169376	V/°C
Pmax temperature coefficient	gamma_r	-0.4658	%/°C
NOCT	T_NOCT	45.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.04574	V
Light-generated current (ref)	I_L_ref	13.59011	A
Saturation current (ref)	I_o_ref	2.05e-09	A
Series resistance	R_s	0.001	Ω
Shunt resistance (ref)	R_sh_ref	999999.735	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	10.7637	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 2.3 m²

NOCT 45.2 °C

Temp. coefficient of Pmax -0.466 %/°C

Temp. coefficient of Voc -0.366 %/°C

Temp. coefficient of Isc 0.060 %/°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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