CSI Solar Co. Ltd. CS3W-440P

Multi-c-Si

440 W Pmax

48.7 V Voc

11.4 A Isc

40.3 V Vmp

10.92 A Imp

20.56 % eff.

0.7927 FF

72 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	440.076	W
PTC Power	PTC	406.9	W
Open-circuit voltage	V_oc_ref	48.7	V
Short-circuit current	I_sc_ref	11.4	A
Max-power voltage	V_mp_ref	40.3	V
Max-power current	I_mp_ref	10.92	A
Fill factor	FF	0.7927	—
Efficiency (STC)	η	20.56	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006236	A/°C
Voc temperature coefficient	beta_oc	-0.159346	V/°C
Pmax temperature coefficient	gamma_r	-0.4406	%/°C
NOCT	T_NOCT	42.9	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.03038	V
Light-generated current (ref)	I_L_ref	11.4	A
Saturation current (ref)	I_o_ref	4.37e-10	A
Series resistance	R_s	0.18026	Ω
Shunt resistance (ref)	R_sh_ref	999998.704	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	11.0616	%

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 2.14 m²

NOCT 42.9 °C

Temp. coefficient of Pmax -0.441 %/°C

Temp. coefficient of Voc -0.327 %/°C

Temp. coefficient of Isc 0.055 %/°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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