CSI Solar Co. Ltd. CS3W-445P

Multi-c-Si

445 W Pmax

48.8 V Voc

11.45 A Isc

40.5 V Vmp

10.99 A Imp

20.8 % eff.

0.7966 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	445.095	W
PTC Power	PTC	411.6	W
Open-circuit voltage	V_oc_ref	48.8	V
Short-circuit current	I_sc_ref	11.45	A
Max-power voltage	V_mp_ref	40.5	V
Max-power current	I_mp_ref	10.99	A
Fill factor	FF	0.7966	—
Efficiency (STC)	η	20.8	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006263	A/°C
Voc temperature coefficient	beta_oc	-0.159674	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	2.03929	V
Light-generated current (ref)	I_L_ref	11.45	A
Saturation current (ref)	I_o_ref	4.64e-10	A
Series resistance	R_s	0.15874	Ω
Shunt resistance (ref)	R_sh_ref	999993.279	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	11.5624	%

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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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