Trina Solar TSM-320DE06H(II)

Mono-c-Si

320 W Pmax

41.5 V Voc

10.01 A Isc

33.7 V Vmp

9.5 A Imp

19.29 % eff.

0.7707 FF

60 cells

Same test data as TSM-320DD06H(II) and 5 other listings. CEC lists each frame, color and backsheet version as its own listing.

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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	320.15	W
PTC Power	PTC	300.3	W
Open-circuit voltage	V_oc_ref	41.5	V
Short-circuit current	I_sc_ref	10.01	A
Max-power voltage	V_mp_ref	33.7	V
Max-power current	I_mp_ref	9.5	A
Fill factor	FF	0.7707	—
Efficiency (STC)	η	19.29	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004304	A/°C
Voc temperature coefficient	beta_oc	-0.110805	V/°C
Pmax temperature coefficient	gamma_r	-0.343	%/°C
NOCT	T_NOCT	43.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.51011	V
Light-generated current (ref)	I_L_ref	10.0142	A
Saturation current (ref)	I_o_ref	1.16e-11	A
Series resistance	R_s	0.33501	Ω
Shunt resistance (ref)	R_sh_ref	802.376	Ω
Cells in series	N_s	40	—
CEC Adjust factor	Adjust	2.8832	%

The CEC list gives 40 cells in series, which puts 1.04 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 60 cells in series for the .PAN file and Similar Modules, found from the CEC count times 1.5 (it counts the half cells of one bypass substring).

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-0.4373	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60 (inferred, CEC lists 40)

Module area 1.66 m²

NOCT 43.3 °C

Temp. coefficient of Pmax -0.343 %/°C

Temp. coefficient of Voc -0.267 %/°C

Temp. coefficient of Isc 0.043 %/°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.

Same Test Data

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

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