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Silicon Wafers

Optimum solar silicon wafers are of the highest quality Polycrystalline solar cell materials. Our wafers are provided in the 156 x 156 millimeter size with a thickness of 220um / 220um +/- 40um. The front (-) is 2 millimeter bus bars (silver), acid texturized surface with blue anti-reflecting coating (silicon nitride). The back (+) is 4.5 millimeter wide soldering pads (silver / aluminum) back surface field (aluminum). Power coefficient is -0.46 %/K, current is +4.40 mA/K and optimum solarage is 2.15 mV/K.

Mechanical data and design

Product

Multicrystalline silicon solar cell

Format

156mm x 156mm +/- 0.5mm

Average thickness

220 um/200um +/- 40um

Front (-)

2mm bus bars (silver), acid texturized surface, blue anti-reflecting coating (sillicon nitride)

Back (+)

4.5mm wide soldering pads (silver / aluminum)

back surface field(aluminium)

Electrical data

 

ADTC-1410

ADTC-1440

ADTC-1460

ADTC-1480

ADTC-1500

Current at 0.5 V

≥ 6.60 A

≥ 6.80 A

≥ 7.00 A

≥ 7.11 A

≥ 7.22 A

Ø Isc

7.76 A

7.80 A

7.85 A

7.89 A

7.93 A

Ø Uoc

598 mV

600 mV

601 mV

603 mV

605 mV

Ø Pmax

3.43 W

3.50 W

3.55 W

3.60 W

3.65 W

Ø Efficiency

14.1%

14.4%

14.6%

14.8%

15.0%

 

ADTD-1520

ADTC-1540

ADTC-1560

ADTC-1580

ADTC-1600

Current at 0.5 V

≥ 7.32 A

≥ 7.45 A

≥ 7.55 A

≥ 7.65 A

≥ 7.55 A

Ø Isc

7.99 A

8.06 A

8.12 A

8.18 A

8.25 A

Ø Uoc

608 mV

610 mV

611 mV

613 mV

615 mV

Ø Pmax

3.70W

3.75 W

3.80 W

3.85 W

3.89 W

Ø Efficiency

15.2%

15.4%

15.6%

15.8%

16.0%


All data at standard testing conditions: STC=1000 W/m2, AM 1.5, 250C +/- 20C, Pmax: +/- 1.5% rel., Efficiency: +/- 0.2% abs.

Temperature coefficients

Power

-0.46 %/K

Current

+4.40 mA/K

Optimum Solarage

2.15 mV/K


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