First Solar Inc. FS-6475A-P-I

CdTe

475 W Pmax

224.8 V Voc

2.61 A Isc

191.5 V Vmp

2.48 A Imp

18.85 % eff.

0.8094 FF

268 cells

Same test data as FS-6475A-P and 3 other listings. CEC lists each frame, color and backsheet version as its own listing.

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	474.92	W
PTC Power	PTC	447.5	W
Open-circuit voltage	V_oc_ref	224.8	V
Short-circuit current	I_sc_ref	2.61	A
Max-power voltage	V_mp_ref	191.5	V
Max-power current	I_mp_ref	2.48	A
Fill factor	FF	0.8094	—
Efficiency (STC)	η	18.85	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.001472	A/°C
Voc temperature coefficient	beta_oc	-0.622471	V/°C
Pmax temperature coefficient	gamma_r	-0.2723	%/°C
NOCT	T_NOCT	46.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	7.82288	V
Light-generated current (ref)	I_L_ref	2.61114	A
Saturation current (ref)	I_o_ref	8.55e-13	A
Series resistance	R_s	3.32148	Ω
Shunt resistance (ref)	R_sh_ref	7591.886	Ω
Cells in series	N_s	268	—
CEC Adjust factor	Adjust	-10.7042	%

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 Pmp1.204	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 CdTe

Bifacial No

BIPV No

Cells in series 268

Module area 2.52 m²

NOCT 46.6 °C

Temp. coefficient of Pmax -0.272 %/°C

Temp. coefficient of Voc -0.277 %/°C

Temp. coefficient of Isc 0.056 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

5 listings with identical nameplate test data, one per frame, color or backsheet version.

Related Models