Dimension 125 mm x 125 mm ± 0.5 mm Diagonal 150 mm ± 1.0 mm ( round chamfers ) Item S 125-S3 S 125-S4 S 125-S5 EfficiencyEff (%) 16.25-16.49 16.00-16.24 15.75-15.99 PowerPpm(W) 2.52-2.55 2.48-2.51 2.44-2.48 Max. Power CurrentIpm(A) 4.87 4.82 4.76 Min. Power CurrentIpm(A) 4.72 4.68 4.62 Short Circuit CurrentIsc(A) 5.16 5.11 5.06 Max. Power Voltage Vpm(V) 0.520 0.518 0.516 Open Circuit Voltage Voc(V) 0.620 0.618 0.618 Data under standard testing conditions (STC)j 1000 W/m2, AM1.5 , 25
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