Trina Solar TSM-660NEG21C20

Mono-c-Si Bifacial

660 W Pmax

46.6 V Voc

18.03 A Isc

38.8 V Vmp

17.02 A Imp

21.44 % eff.

0.786 FF

66 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	660.376	W
PTC Power	PTC	624.1	W
Open-circuit voltage	V_oc_ref	46.6	V
Short-circuit current	I_sc_ref	18.03	A
Max-power voltage	V_mp_ref	38.8	V
Max-power current	I_mp_ref	17.02	A
Fill factor	FF	0.786	—
Efficiency (STC)	η	21.44	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.007392	A/°C
Voc temperature coefficient	beta_oc	-0.113238	V/°C
Pmax temperature coefficient	gamma_r	-0.3	%/°C
NOCT	T_NOCT	44.3	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.62058	V
Light-generated current (ref)	I_L_ref	18.04889	A
Saturation current (ref)	I_o_ref	5.76e-12	A
Series resistance	R_s	0.15743	Ω
Shunt resistance (ref)	R_sh_ref	150.257	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	1.897	%

Actions

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

Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 3.08 m²

NOCT 44.3 °C

Temp. coefficient of Pmax -0.300 %/°C

Temp. coefficient of Voc -0.243 %/°C

Temp. coefficient of Isc 0.041 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Related Models

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.