First Solar Inc. FS-6420
CdTe
420.332
W Pmax
218.5
V Voc
2.54
A Isc
180.4
V Vmp
2.33
A Imp
16.95
% eff.
0.7574
FF
264
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 | 420.332 | W |
| PTC Power | PTC | 395.1 | W |
| Open-circuit voltage | V_oc_ref | 218.5 | V |
| Short-circuit current | I_sc_ref | 2.54 | A |
| Max-power voltage | V_mp_ref | 180.4 | V |
| Max-power current | I_mp_ref | 2.33 | A |
| Fill factor | FF | 0.7574 | — |
| Efficiency (STC) | η | 16.95 | % |
| Temperature Coefficients | |||
| Isc temperature coefficient | alpha_sc | 0.001245 | A/°C |
| Voc temperature coefficient | beta_oc | -0.59869 | V/°C |
| Pmax temperature coefficient | gamma_r | -0.245 | %/°C |
| NOCT | T_NOCT | 48.8 | °C |
| Single-Diode (De Soto) Parameters | |||
| Modified ideality factor | a_ref | 7.3211 | V |
| Light-generated current (ref) | I_L_ref | 2.54997 | A |
| Saturation current (ref) | I_o_ref | — | A |
| Series resistance | R_s | 6.29636 | Ω |
| Shunt resistance (ref) | R_sh_ref | 1604.12 | Ω |
| Cells in series | N_s | 264 | — |
| CEC Adjust factor | Adjust | -17.7536 | % |
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Module Specifications
Technology
CdTe
Bifacial
No
BIPV
No
Cells in series
264
Module area
2.48 m²
NOCT
48.8 °C
CEC listing date
11/16/2022
Annual degradation
0.5%/yr
Measured Data
No measured data yet for this module.
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