Yingli 20W 12V Polycrystalline Solar Module


Electrical parameters at Standard Test Conditions (STC)
Module name                                                     YGE 20
Module type                                                       YL020P-17b 1/6
Power output Pmax W                                         20
Power output tolerances ΔPmax %                       +/- 3
Module efficiency ηm %                                      10.9
Voltage at Pmax Vmpp V                                    17.3
Current at Pmax Impp A                                     1.16
Open-circuit voltage Voc V                                  21.3
Short-circuit current Isc A                                   1.32

Electrical parameters at Nominal Operating Cell Temperature (NOCT)
Power output Pmax W                                        14.5
Voltage at Pmax Vmpp V                                    15.8
Current at Pmax Impp A                                     0.92
Open-circuit voltage Voc V                                  19.4
Short-circuit current Isc A                                   1.07


STC: 1000W/m2 irradiance, 25°C Tmodule, AM 1.5g spectrum according to EN 60904-3.
Ave. efficiency reduction of 5% at 200W/m2 according to EN 60904-1.
NOCT: open-circuit module operation temperature at 800W/m2 irradiance, 20°C Tambient, 1m/s wind speed.


Dimensions (length / width / height)                    525mm / 350mm / 25mm
Weight                                                              2.4 kg
Number of modules per box                                5 

Nominal operating cell temperature NOCT °C       46 +/- 2
Temperature coefficient of Pmax γ %/°C             -0.45
Temperature coefficient of Voc βVoc %/°C           -0.37
Temperature coefficient of Isc αIsc %/°C             0.06


Max. system voltage                                          50VDC
Max. series fuse rating                                       5A
Limiting reverse current Do not apply external voltages larger than Voc of the module

Operating temperature range                             -40 to 85°C
Max. static load, front (e.g., snow and wind)        2400Pa
Max. static load, back (e.g., wind)                      2400Pa
Hailstone impact 

(hailstone diameter / impact velocity)                 25mm / 23m/s

Front cover (material / thickness) low-iron tempered glass / 3.2mm
Cell (quantity / type / dimensions) 36 / multicrystalline / 26mm x 78mm
Encapsulant (material) ethylene vinyl acetate (EVA)
Frame (material / color / anodization color) anodized aluminum alloy / silver / clear


Due to continuous innovation, research and product improvement, the specifications in this productinformation sheet are subject to change without prior notice. The specifications may deviate slightly andare not guaranteed.

The data do not refer to a single module and they are not part of the offer, they only serve forcomparison to different module types