CSI Solar Co. Ltd. CS3Y-475P

Multi-c-Si
475 W Pmax
52.6 V Voc
11.53 A Isc
43.4 V Vmp
10.95 A Imp
20.75 % eff.
0.7836 FF
78 cells
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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 475.23 W
PTC Power PTC 442.5 W
Open-circuit voltage V_oc_ref 52.6 V
Short-circuit current I_sc_ref 11.53 A
Max-power voltage V_mp_ref 43.4 V
Max-power current I_mp_ref 10.95 A
Fill factor FF 0.7836 —
Efficiency (STC) η 20.75 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.00784 A/°C
Voc temperature coefficient beta_oc -0.144124 V/°C
Pmax temperature coefficient gamma_r -0.34 %/°C
NOCT T_NOCT 46.1 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.97648 V
Light-generated current (ref) I_L_ref 11.5334 A
Saturation current (ref) I_o_ref 3.18e-11 A
Series resistance R_s 0.28695 Ω
Shunt resistance (ref) R_sh_ref 972.964 Ω
Cells in series N_s 78 —
CEC Adjust factor Adjust 7.224 %
Additional Model Sources
Source Model type Fit quality Citation
CEC module list (via SAM library) Default CEC / De Soto single-diode — https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit PVsyst single-diode NMBE Pmp0.0003 Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/
Actions
Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data
Module Specifications
Technology Multi-c-Si
Bifacial No
BIPV No
Cells in series 78
Module area 2.29 m²
NOCT 46.1 °C
Temp. coefficient of Pmax -0.340 %/°C
Temp. coefficient of Voc -0.274 %/°C
Temp. coefficient of Isc 0.068 %/°C
CEC list On the 23 Jun 2026 list
Parameters from 16 Nov 2022 list
Annual degradation 0.55%/yr
Measured Data
No measured data yet for this module.
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