G-Star Pte Ltd GSD8R48T-440BT

Mono-c-Si

440 W Pmax

35.15 V Voc

15.73 A Isc

29.42 V Vmp

14.96 A Imp

22.23 % eff.

0.796 FF

48 cells

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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	440.123	W
PTC Power	PTC	418.4	W
Open-circuit voltage	V_oc_ref	35.15	V
Short-circuit current	I_sc_ref	15.73	A
Max-power voltage	V_mp_ref	29.42	V
Max-power current	I_mp_ref	14.96	A
Fill factor	FF	0.796	—
Efficiency (STC)	η	22.23	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006559	A/°C
Voc temperature coefficient	beta_oc	-0.08313	V/°C
Pmax temperature coefficient	gamma_r	-0.2926	%/°C
NOCT	T_NOCT	43.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.20977	V
Light-generated current (ref)	I_L_ref	15.73796	A
Saturation current (ref)	I_o_ref	3.75e-12	A
Series resistance	R_s	0.12635	Ω
Shunt resistance (ref)	R_sh_ref	249.681	Ω
Cells in series	N_s	16	—
CEC Adjust factor	Adjust	2.1801	%

The CEC list gives 16 cells in series, which puts 2.20 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 48 cells in series for the .PAN file and Similar Modules, found from the model name (48 cells).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 48 (inferred, CEC lists 16)

Module area 1.98 m²

NOCT 43.1 °C

Temp. coefficient of Pmax -0.293 %/°C

Temp. coefficient of Voc -0.237 %/°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.

Same Test Data

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

GSD8R48T-440BT Main listing, this page
GSD8R48T-440WT

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