Trina Solar TSM-480DEG15VC.20(II)

Mono-c-Si

480 W Pmax

43.3 V Voc

13.92 A Isc

36.1 V Vmp

13.29 A Imp

20.59 % eff.

0.796 FF

63 cells

Download .PAN for PVsyst Open in PV Explorer Compare with another module Soiling and off-MPP calculators

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	479.769	W
PTC Power	PTC	451.8	W
Open-circuit voltage	V_oc_ref	43.3	V
Short-circuit current	I_sc_ref	13.92	A
Max-power voltage	V_mp_ref	36.1	V
Max-power current	I_mp_ref	13.29	A
Fill factor	FF	0.796	—
Efficiency (STC)	η	20.59	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007934	A/°C
Voc temperature coefficient	beta_oc	-0.100023	V/°C
Pmax temperature coefficient	gamma_r	-0.296	%/°C
NOCT	T_NOCT	45.8	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.54505	V
Light-generated current (ref)	I_L_ref	14.5282	A
Saturation current (ref)	I_o_ref	9.3e-12	A
Series resistance	R_s	0.17365	Ω
Shunt resistance (ref)	R_sh_ref	58.457	Ω
Cells in series	N_s	126	—
CEC Adjust factor	Adjust	13.4727	%

The CEC list gives 126 cells in series, which puts 0.34 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 63 cells in series for the .PAN file and Similar Modules, found from half the CEC count (it counts every half cell).

Additional Model Sources

Source	Model type	Fit quality	Citation
CEC module list (via SAM library) Default	CEC / De Soto single-diode	—	https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit	PVsyst single-diode	NMBE Pmp-5.6773	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data

Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 63 (inferred, CEC lists 126)

Module area 2.33 m²

NOCT 45.8 °C

Temp. coefficient of Pmax -0.296 %/°C

Temp. coefficient of Voc -0.231 %/°C

Temp. coefficient of Isc 0.057 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Annual degradation 0.55%/yr

Measured Data

No measured data yet for this module.

Related Models

All Trina Solar modules →