Wuxi Suntech Power Co. Ltd STP345-24/Vfw

Multi-c-Si

345.328 W Pmax

46.7 V Voc

9.5 A Isc

38.2 V Vmp

9.04 A Imp

17.89 % eff.

0.7784 FF

72 cells

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves — 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

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	345.328	W
PTC Power	PTC	315.2	W
Open-circuit voltage	V_oc_ref	46.7	V
Short-circuit current	I_sc_ref	9.5	A
Max-power voltage	V_mp_ref	38.2	V
Max-power current	I_mp_ref	9.04	A
Fill factor	FF	0.7784	—
Efficiency (STC)	η	17.89	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006184	A/°C
Voc temperature coefficient	beta_oc	-0.151775	V/°C
Pmax temperature coefficient	gamma_r	-0.4391	%/°C
NOCT	T_NOCT	44.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.95426	V
Light-generated current (ref)	I_L_ref	9.59957	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.30091	Ω
Shunt resistance (ref)	R_sh_ref	632.199	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	12.4711	%

Actions

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

Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 1.93 m²

NOCT 44.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr

Measured Data

No measured data yet for this module.