Hanwha Q CELLS QTRON XL-G23/BFG 620

Mono-c-Si Bifacial

620 W Pmax

56.67 V Voc

13.76 A Isc

47.5 V Vmp

13.05 A Imp

22.87 % eff.

0.7949 FF

78 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	619.875	W
PTC Power	PTC	583.4	W
Open-circuit voltage	V_oc_ref	56.67	V
Short-circuit current	I_sc_ref	13.76	A
Max-power voltage	V_mp_ref	47.5	V
Max-power current	I_mp_ref	13.05	A
Fill factor	FF	0.7949	—
Efficiency (STC)	η	22.87	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005779	A/°C
Voc temperature coefficient	beta_oc	-0.131474	V/°C
Pmax temperature coefficient	gamma_r	-0.288	%/°C
NOCT	T_NOCT	47.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.94	V
Light-generated current (ref)	I_L_ref	13.76976	A
Saturation current (ref)	I_o_ref	2.89e-12	A
Series resistance	R_s	0.22893	Ω
Shunt resistance (ref)	R_sh_ref	322.772	Ω
Cells in series	N_s	78	—
CEC Adjust factor	Adjust	3.0762	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 78

Module area 2.71 m²

NOCT 47.3 °C

Temp. coefficient of Pmax -0.288 %/°C

Temp. coefficient of Voc -0.232 %/°C

Temp. coefficient of Isc 0.042 %/°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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