ET SOLAR POWER HONGKONG LIMITED ET-M754BH390BB

Mono-c-Si
390 W Pmax
36.9 V Voc
13.61 A Isc
30.6 V Vmp
12.73 A Imp
20.08 % eff.
0.7756 FF
54 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 389.538 W
PTC Power PTC 365.3 W
Open-circuit voltage V_oc_ref 36.9 V
Short-circuit current I_sc_ref 13.61 A
Max-power voltage V_mp_ref 30.6 V
Max-power current I_mp_ref 12.73 A
Fill factor FF 0.7756 —
Efficiency (STC) η 20.08 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.006124 A/°C
Voc temperature coefficient beta_oc -0.098154 V/°C
Pmax temperature coefficient gamma_r -0.361 %/°C
NOCT T_NOCT 43.2 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.39764 V
Light-generated current (ref) I_L_ref 13.6289 A
Saturation current (ref) I_o_ref 4.55e-11 A
Series resistance R_s 0.15641 Ω
Shunt resistance (ref) R_sh_ref 112.611 Ω
Cells in series N_s 54 —
CEC Adjust factor Adjust 12.5882 %
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 Pmp0.0474 Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Was this page useful?

© 2026 PV Ivy. All Rights Reserved.