Silfab Solar Inc. SIL-490HN

Mono-c-Si
489.516 W Pmax
54.0 V Voc
11.36 A Isc
45.2 V Vmp
10.83 A Imp
21.47 % eff.
0.798 FF
78 cells
IV curves not yet precomputed for this module. Run python manage.py precompute_iv_curves to generate them.
CEC Single-Diode Model Parameters
Parameter Symbol Value Unit
Nameplate (STC)
STC Power STC 489.516 W
PTC Power PTC 451.5 W
Open-circuit voltage V_oc_ref 54.0 V
Short-circuit current I_sc_ref 11.36 A
Max-power voltage V_mp_ref 45.2 V
Max-power current I_mp_ref 10.83 A
Fill factor FF 0.798
Efficiency (STC) η 21.47 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.007498 A/°C
Voc temperature coefficient beta_oc -0.16362 V/°C
Pmax temperature coefficient gamma_r -0.378 %/°C
NOCT T_NOCT 47.1 °C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 2.14378 V
Light-generated current (ref) I_L_ref 11.4793 A
Saturation current (ref) I_o_ref A
Series resistance R_s 0.20806 Ω
Shunt resistance (ref) R_sh_ref 416.738 Ω
Cells in series N_s 78
CEC Adjust factor Adjust 8.7084 %
Actions
Module Specifications
Technology Mono-c-Si
Bifacial No
BIPV No
Cells in series 78
Module area 2.28 m²
NOCT 47.1 °C
CEC listing date 11/16/2022
Annual degradation 0.5%/yr
Related Models

© 2026 PV Ivy. All Rights Reserved.