Chint New Energy Technology Co. Ltd. CHSM66M-HC-645

Mono-c-Si
646.036 W Pmax
45.1 V Voc
18.38 A Isc
37.3 V Vmp
17.32 A Imp
21.39 % eff.
0.7794 FF
66 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 646.036 W
PTC Power PTC 597.2 W
Open-circuit voltage V_oc_ref 45.1 V
Short-circuit current I_sc_ref 18.38 A
Max-power voltage V_mp_ref 37.3 V
Max-power current I_mp_ref 17.32 A
Fill factor FF 0.7794
Efficiency (STC) η 21.39 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.00919 A/°C
Voc temperature coefficient beta_oc -0.131241 V/°C
Pmax temperature coefficient gamma_r -0.386 %/°C
NOCT T_NOCT 45.4 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.76349 V
Light-generated current (ref) I_L_ref 18.3934 A
Saturation current (ref) I_o_ref A
Series resistance R_s 0.14062 Ω
Shunt resistance (ref) R_sh_ref 192.391 Ω
Cells in series N_s 66
CEC Adjust factor Adjust 9.9457 %
Actions
Module Specifications
Technology Mono-c-Si
Bifacial No
BIPV No
Cells in series 66
Module area 3.02 m²
NOCT 45.4 °C
CEC listing date 11/16/2022
Measured Data
No measured data yet for this module.
Related Models

© 2026 PV Ivy. All Rights Reserved.