CSI Solar Co. Ltd. CS1H-335MS

Mono-c-Si
336 W Pmax
43.6 V Voc
9.73 A Isc
36.2 V Vmp
9.27 A Imp
20.59 % eff.
0.791 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 335.574 W
PTC Power PTC 312.8 W
Open-circuit voltage V_oc_ref 43.6 V
Short-circuit current I_sc_ref 9.73 A
Max-power voltage V_mp_ref 36.2 V
Max-power current I_mp_ref 9.27 A
Fill factor FF 0.791 —
Efficiency (STC) η 20.59 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.006091 A/°C
Voc temperature coefficient beta_oc -0.120074 V/°C
Pmax temperature coefficient gamma_r -0.3448 %/°C
NOCT T_NOCT 45.1 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.64092 V
Light-generated current (ref) I_L_ref 9.73076 A
Saturation current (ref) I_o_ref 2.81e-11 A
Series resistance R_s 0.25399 Ω
Shunt resistance (ref) R_sh_ref 3260.06 Ω
Cells in series N_s 66 —
CEC Adjust factor Adjust 7.1294 %
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 Pmp-0.1015 Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/
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Module Specifications
Technology Mono-c-Si
Bifacial No
BIPV No
Cells in series 66
Module area 1.63 m²
NOCT 45.1 °C
Temp. coefficient of Pmax -0.345 %/°C
Temp. coefficient of Voc -0.275 %/°C
Temp. coefficient of Isc 0.063 %/°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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