Silfab Solar Inc. SIL305XL

Mono-c-Si

305 W Pmax

40.1 V Voc

9.82 A Isc

32.9 V Vmp

9.27 A Imp

18.71 % eff.

0.7745 FF

60 cells

Same test data as SIL305ML and 3 other listings. CEC lists each frame, color and backsheet version as its own listing.

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	304.983	W
PTC Power	PTC	280.2	W
Open-circuit voltage	V_oc_ref	40.1	V
Short-circuit current	I_sc_ref	9.82	A
Max-power voltage	V_mp_ref	32.9	V
Max-power current	I_mp_ref	9.27	A
Fill factor	FF	0.7745	—
Efficiency (STC)	η	18.71	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.001473	A/°C
Voc temperature coefficient	beta_oc	-0.110676	V/°C
Pmax temperature coefficient	gamma_r	-0.418	%/°C
NOCT	T_NOCT	44.7	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.55688	V
Light-generated current (ref)	I_L_ref	9.82637	A
Saturation current (ref)	I_o_ref	6.34e-11	A
Series resistance	R_s	0.26805	Ω
Shunt resistance (ref)	R_sh_ref	413.247	Ω
Cells in series	N_s	60	—
CEC Adjust factor	Adjust	14.7214	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 60

Module area 1.63 m²

NOCT 44.7 °C

Temp. coefficient of Pmax -0.418 %/°C

Temp. coefficient of Voc -0.276 %/°C

Temp. coefficient of Isc 0.015 %/°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.

Same Test Data

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

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