REC Solar REC335TP2SB 72 XV

Multi-c-Si

336 W Pmax

46.8 V Voc

9.36 A Isc

38.4 V Vmp

8.74 A Imp

17.39 % eff.

0.7662 FF

72 cells

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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	335.616	W
PTC Power	PTC	309.7	W
Open-circuit voltage	V_oc_ref	46.8	V
Short-circuit current	I_sc_ref	9.36	A
Max-power voltage	V_mp_ref	38.4	V
Max-power current	I_mp_ref	8.74	A
Fill factor	FF	0.7662	—
Efficiency (STC)	η	17.39	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005616	A/°C
Voc temperature coefficient	beta_oc	-0.143208	V/°C
Pmax temperature coefficient	gamma_r	-0.389	%/°C
NOCT	T_NOCT	44.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.86119	V
Light-generated current (ref)	I_L_ref	9.3734	A
Saturation current (ref)	I_o_ref	1.1e-10	A
Series resistance	R_s	0.31855	Ω
Shunt resistance (ref)	R_sh_ref	222.585	Ω
Cells in series	N_s	144	—
CEC Adjust factor	Adjust	8.0239	%

The CEC list gives 144 cells in series, which puts 0.33 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 72 cells in series for the .PAN file and Similar Modules, found from the model name (72 cells).

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-2.1239	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

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Module Specifications

Technology Multi-c-Si

Bifacial No

BIPV No

Cells in series 72 (inferred, CEC lists 144)

Module area 1.93 m²

NOCT 44.2 °C

Temp. coefficient of Pmax -0.389 %/°C

Temp. coefficient of Voc -0.306 %/°C

Temp. coefficient of Isc 0.060 %/°C

CEC list Not on the 23 Jun 2026 list

Last listed 16 Nov 2022

Parameters from 16 Nov 2022 list

Annual degradation 0.5%/yr

Measured Data

No measured data yet for this module.

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