Sinotec USA LLC STS-405P-54DD

Mono-c-Si

405 W Pmax

37.4 V Voc

13.66 A Isc

31.4 V Vmp

12.89 A Imp

20.86 % eff.

0.7922 FF

54 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	404.746	W
PTC Power	PTC	380.4	W
Open-circuit voltage	V_oc_ref	37.4	V
Short-circuit current	I_sc_ref	13.66	A
Max-power voltage	V_mp_ref	31.4	V
Max-power current	I_mp_ref	12.89	A
Fill factor	FF	0.7922	—
Efficiency (STC)	η	20.86	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00082	A/°C
Voc temperature coefficient	beta_oc	-0.092004	V/°C
Pmax temperature coefficient	gamma_r	-0.364	%/°C
NOCT	T_NOCT	42.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.31518	V
Light-generated current (ref)	I_L_ref	13.67274	A
Saturation current (ref)	I_o_ref	6e-12	A
Series resistance	R_s	0.14217	Ω
Shunt resistance (ref)	R_sh_ref	152.435	Ω
Cells in series	N_s	108	—
CEC Adjust factor	Adjust	3.8074	%

The CEC list gives 108 cells in series, which puts 0.35 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 54 cells in series for the .PAN file and Similar Modules, found from the model name (54 cells).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 54 (inferred, CEC lists 108)

Module area 1.94 m²

NOCT 42.6 °C

Temp. coefficient of Pmax -0.364 %/°C

Temp. coefficient of Voc -0.246 %/°C

Temp. coefficient of Isc 0.006 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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