Topsun Co. Ltd. TSH-S485SB2BK(X)

Mono-c-Si

485 W Pmax

127.79 V Voc

4.8 A Isc

106.31 V Vmp

4.56 A Imp

18.57 % eff.

0.7903 FF

187 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	484.774	W
PTC Power	PTC	424.2	W
Open-circuit voltage	V_oc_ref	127.79	V
Short-circuit current	I_sc_ref	4.8	A
Max-power voltage	V_mp_ref	106.31	V
Max-power current	I_mp_ref	4.56	A
Fill factor	FF	0.7903	—
Efficiency (STC)	η	18.57	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.001824	A/°C
Voc temperature coefficient	beta_oc	-0.459022	V/°C
Pmax temperature coefficient	gamma_r	-0.4637	%/°C
NOCT	T_NOCT	52.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	5.3898	V
Light-generated current (ref)	I_L_ref	4.80369	A
Saturation current (ref)	I_o_ref	2.42e-10	A
Series resistance	R_s	1.18625	Ω
Shunt resistance (ref)	R_sh_ref	999999.981	Ω
Cells in series	N_s	25	—
CEC Adjust factor	Adjust	3.5756	%

The CEC list gives 25 cells in series, which puts 5.11 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 187 cells in series for the .PAN file and Similar Modules, found from Voc per cell (unusual layout, so the count is an estimate).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 187 (inferred, CEC lists 25)

Module area 2.61 m²

NOCT 52.3 °C

Temp. coefficient of Pmax -0.464 %/°C

Temp. coefficient of Voc -0.359 %/°C

Temp. coefficient of Isc 0.038 %/°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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