Silfab Solar Inc. SIL345MT-W

Mono-c-Si

346 W Pmax

47.3 V Voc

9.52 A Isc

38.7 V Vmp

8.93 A Imp

18.19 % eff.

0.7675 FF

72 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	345.591	W
PTC Power	PTC	316.6	W
Open-circuit voltage	V_oc_ref	47.3	V
Short-circuit current	I_sc_ref	9.52	A
Max-power voltage	V_mp_ref	38.7	V
Max-power current	I_mp_ref	8.93	A
Fill factor	FF	0.7675	—
Efficiency (STC)	η	18.19	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005046	A/°C
Voc temperature coefficient	beta_oc	-0.132913	V/°C
Pmax temperature coefficient	gamma_r	-0.368	%/°C
NOCT	T_NOCT	47.5	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.81015	V
Light-generated current (ref)	I_L_ref	9.53223	A
Saturation current (ref)	I_o_ref	4.2e-11	A
Series resistance	R_s	0.34669	Ω
Shunt resistance (ref)	R_sh_ref	269.769	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	8.8238	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.9 m²

NOCT 47.5 °C

Temp. coefficient of Pmax -0.368 %/°C

Temp. coefficient of Voc -0.281 %/°C

Temp. coefficient of Isc 0.053 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Annual degradation 0.5%/yr

Measured Data

No measured data yet for this module.

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