CSI Solar Co. Ltd. CS3U-350MS

Mono-c-Si

350 W Pmax

46.6 V Voc

9.53 A Isc

38.8 V Vmp

9.03 A Imp

18.26 % eff.

0.7889 FF

72 cells

Download .PAN for PVsyst Open in PV Explorer Compare with a similar module Soiling and off-MPP calculators

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	350.364	W
PTC Power	PTC	325.3	W
Open-circuit voltage	V_oc_ref	46.6	V
Short-circuit current	I_sc_ref	9.53	A
Max-power voltage	V_mp_ref	38.8	V
Max-power current	I_mp_ref	9.03	A
Fill factor	FF	0.7889	—
Efficiency (STC)	η	18.26	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.003421	A/°C
Voc temperature coefficient	beta_oc	-0.135979	V/°C
Pmax temperature coefficient	gamma_r	-0.3869	%/°C
NOCT	T_NOCT	43.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.79452	V
Light-generated current (ref)	I_L_ref	9.53369	A
Saturation current (ref)	I_o_ref	4.99e-11	A
Series resistance	R_s	0.25457	Ω
Shunt resistance (ref)	R_sh_ref	657.879	Ω
Cells in series	N_s	3	—
CEC Adjust factor	Adjust	6.4214	%

The CEC list gives 3 cells in series, which puts 15.53 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 72 cells in series for the .PAN file and Similar Modules, found from Voc per cell and the CEC fit's ideality factor.

Actions

Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data

Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72 (inferred, CEC lists 3)

Module area 1.919 m²

NOCT 43.3 °C

Temp. coefficient of Pmax -0.387 %/°C

Temp. coefficient of Voc -0.292 %/°C

Temp. coefficient of Isc 0.036 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Related Models

All CSI Solar Co. Ltd. modules →

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.