United Renewable Energy Co. Ltd. FBF405DFG

Mono-c-Si Bifacial

405 W Pmax

37.68 V Voc

13.83 A Isc

31.02 V Vmp

13.07 A Imp

20.79 % eff.

0.778 FF

54 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	405.431	W
PTC Power	PTC	382.2	W
Open-circuit voltage	V_oc_ref	37.68	V
Short-circuit current	I_sc_ref	13.83	A
Max-power voltage	V_mp_ref	31.02	V
Max-power current	I_mp_ref	13.07	A
Fill factor	FF	0.778	—
Efficiency (STC)	η	20.79	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005172	A/°C
Voc temperature coefficient	beta_oc	-0.08949	V/°C
Pmax temperature coefficient	gamma_r	-0.2955	%/°C
NOCT	T_NOCT	45.0	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.28891	V
Light-generated current (ref)	I_L_ref	13.84557	A
Saturation current (ref)	I_o_ref	2.74e-12	A
Series resistance	R_s	0.19915	Ω
Shunt resistance (ref)	R_sh_ref	176.926	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	0.2874	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 54

Module area 1.95 m²

NOCT 45.0 °C

Temp. coefficient of Pmax -0.296 %/°C

Temp. coefficient of Voc -0.237 %/°C

Temp. coefficient of Isc 0.037 %/°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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