Classic Series

Lof Solar Corporation
Fill Factor
76.37 - 81.43 %
Cell Efficiency
16.3 - 18.7 %
Technology
Polycrystalline
Power Range
4.05 - 4.59 Wp
Region
Taiwan Taiwan
Dimension
156.75×156.75 mm
Cell Thickness
180/200 ± 20 µm
No. of Busbars
4
Busbar Width
1 mm
No. of Soldering Pads
4
Soldering Pad Width
2 mm
Soldering Pad Material
Silver, Aluminium
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Product Characteristics

Model No.
1640 1660 1680 1700 1720 1740 1760 1780 1800 1820 1840 1860
Cell Technology Polycrystalline
Dimensions 156.75×156.75 mm
Diagonal 220 mm
Cell Thickness 180/200 ± 20 µm
 
No. of Busbars 4
Busbar Width 1 mm
Busbar Material Silver
Anti Reflection Coating Silicon nitride
 
No. of Soldering Pads 4
Soldering Pad Width 2 mm
Soldering Pad Material Silver, Aluminium
Back Surface Field (BSF) Aluminium
 
Maximum Power (Pmax)
4.05 W 4.1 W 4.15 W 4.2 W 4.25 W 4.3 W 4.32 W 4.37 W 4.44 W 4.49 W 4.54 W 4.59 W
Voltage at Maximum Power Point (Vmpp)
0.513 V 0.513 V 0.516 V 0.519 V 0.521 V 0.525 V 0.528 V 0.531 V 0.534 V 0.536 V 0.539 V 0.541 V
Current at Maximum Power Point (Impp)
7.86 A 7.99 A 8.04 A 8.1 A 8.15 A 8.19 A 8.22 A 8.27 A 8.32 A 8.37 A 8.42 A 8.5 A
Open Circuit Voltage (Voc)
0.619 V 0.609 V 0.611 V 0.614 V 0.616 V 0.618 V 0.62 V 0.623 V 0.625 V 0.627 V 0.629 V 0.631 V
Short Circuit Current (Isc)
8.53 A 8.56 A 8.6 A 8.64 A 8.67 A 8.71 A 8.75 A 8.79 A 8.83 A 8.86 A 8.89 A 8.95 A
Cell Efficiency
16.3-16.5 % 16.5-16.7 % 16.7-16.9 % 16.9-17.1 % 17.1-17.3 % 17.5-17.3 % 17.5-17.7 % 17.7-17.9 % 17.9-18.1 % 18.1-18.3 % 18.3-18.5 % 18.5-18.7 %
Fill Factor (FF)
76.37 % 78.63 % 78.95 % 79.24 % 79.51 % 79.88 % 80 % 80.19 % 80.51 % 80.76 % 81.16 % 81.43 %
 
Temperature Coefficient of Pmax -0.38 %/˚C
Temperature Coefficient of Voc -0.33 %/˚C
Temperature Coefficient of Isc 0.05 %/˚C
 
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Lof Solar Corporation

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www.lofsolar.com
Taiwan Taiwan
2F, No.6, Prosperity Road 2, Hsinchu Science Park, Hsinchu, 300
location
Note: Your Enquiry will be sent directly to Lof Solar Corporation.

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