CSI Solar Co. Ltd. CS6X-280P

Multi-c-Si

280 W Pmax

44.2 V Voc

8.42 A Isc

35.6 V Vmp

7.86 A Imp

15.11 % eff.

0.7519 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	279.816	W
PTC Power	PTC	249.1	W
Open-circuit voltage	V_oc_ref	44.2	V
Short-circuit current	I_sc_ref	8.42	A
Max-power voltage	V_mp_ref	35.6	V
Max-power current	I_mp_ref	7.86	A
Fill factor	FF	0.7519	—
Efficiency (STC)	η	15.11	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005052	A/°C
Voc temperature coefficient	beta_oc	-0.17238	V/°C
Pmax temperature coefficient	gamma_r	-0.53	%/°C
NOCT	T_NOCT	44.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.02016	V
Light-generated current (ref)	I_L_ref	8.42686	A
Saturation current (ref)	I_o_ref	2.62e-09	A
Series resistance	R_s	0.36079	Ω
Shunt resistance (ref)	R_sh_ref	442.843	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	10.2963	%

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-0.6821	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 72

Module area 1.852 m²

Dimensions 1.931 × 0.959 m

NOCT 44.8 °C

Temp. coefficient of Pmax -0.530 %/°C

Temp. coefficient of Voc -0.390 %/°C

Temp. coefficient of Isc 0.060 %/°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.

Related Models

Similar Modules

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