First Solar Inc. FS-6450-P-B-2

Thin Film

450 W Pmax

228.058 V Voc

2.694 A Isc

180.525 V Vmp

2.493 A Imp

17.86 % eff.

0.7325 FF

268 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	450.049	W
PTC Power	PTC	427.4	W
Open-circuit voltage	V_oc_ref	228.058	V
Short-circuit current	I_sc_ref	2.694	A
Max-power voltage	V_mp_ref	180.525	V
Max-power current	I_mp_ref	2.493	A
Fill factor	FF	0.7325	—
Efficiency (STC)	η	17.86	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.000884	A/°C
Voc temperature coefficient	beta_oc	-0.515867	V/°C
Pmax temperature coefficient	gamma_r	-0.2292	%/°C
NOCT	T_NOCT	46.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	7.38323	V
Light-generated current (ref)	I_L_ref	2.70683	A
Saturation current (ref)	I_o_ref	9.99e-14	A
Series resistance	R_s	9.81955	Ω
Shunt resistance (ref)	R_sh_ref	2061.167	Ω
Cells in series	N_s	268	—
CEC Adjust factor	Adjust	-8.3453	%

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Module Specifications

Technology Thin Film

Bifacial No

BIPV No

Cells in series 268

Module area 2.52 m²

NOCT 46.8 °C

Temp. coefficient of Pmax -0.229 %/°C

Temp. coefficient of Voc -0.226 %/°C

Temp. coefficient of Isc 0.033 %/°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

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

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