Topsun Co. Ltd. TOP CLASS 510

Mono-c-Si

510 W Pmax

64.22 V Voc

10.04 A Isc

53.43 V Vmp

9.55 A Imp

19.7 % eff.

0.7914 FF

96 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	510.257	W
PTC Power	PTC	453.5	W
Open-circuit voltage	V_oc_ref	64.22	V
Short-circuit current	I_sc_ref	10.04	A
Max-power voltage	V_mp_ref	53.43	V
Max-power current	I_mp_ref	9.55	A
Fill factor	FF	0.7914	—
Efficiency (STC)	η	19.7	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006004	A/°C
Voc temperature coefficient	beta_oc	-0.106156	V/°C
Pmax temperature coefficient	gamma_r	-0.4672	%/°C
NOCT	T_NOCT	49.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.58731	V
Light-generated current (ref)	I_L_ref	10.04002	A
Saturation current (ref)	I_o_ref	1.67e-10	A
Series resistance	R_s	0.31152	Ω
Shunt resistance (ref)	R_sh_ref	181546.566	Ω
Cells in series	N_s	50	—
CEC Adjust factor	Adjust	100.0	%

The CEC list gives 50 cells in series, which puts 1.28 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 96 cells in series for the .PAN file and Similar Modules, found from Voc per cell and the CEC fit's ideality factor.

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 96 (inferred, CEC lists 50)

Module area 2.59 m²

NOCT 49.4 °C

Temp. coefficient of Pmax -0.467 %/°C

Temp. coefficient of Voc -0.165 %/°C

Temp. coefficient of Isc 0.060 %/°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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