Suzhou Talesun Solar Technologies Co. Ltd. TM7G54M-440

Mono-c-Si Bifacial

440 W Pmax

39.3 V Voc

13.77 A Isc

32.94 V Vmp

13.36 A Imp

22.57 % eff.

0.8132 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	440.078	W
PTC Power	PTC	416.3	W
Open-circuit voltage	V_oc_ref	39.3	V
Short-circuit current	I_sc_ref	13.77	A
Max-power voltage	V_mp_ref	32.94	V
Max-power current	I_mp_ref	13.36	A
Fill factor	FF	0.8132	—
Efficiency (STC)	η	22.57	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00638	A/°C
Voc temperature coefficient	beta_oc	-0.093581	V/°C
Pmax temperature coefficient	gamma_r	-0.3198	%/°C
NOCT	T_NOCT	43.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.40944	V
Light-generated current (ref)	I_L_ref	13.77	A
Saturation current (ref)	I_o_ref	1.07e-11	A
Series resistance	R_s	0.10531	Ω
Shunt resistance (ref)	R_sh_ref	979420.814	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	11.7055	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 54

Module area 1.95 m²

NOCT 43.3 °C

Temp. coefficient of Pmax -0.320 %/°C

Temp. coefficient of Voc -0.238 %/°C

Temp. coefficient of Isc 0.046 %/°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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