JA Solar JAM66D45-640/LB

640 WTOPConDeepBlue 4.0Light BlackMBBHalf-CellBifacial 80%132 cells

The JA Solar JAM66D45-640/LB is a 640 W solar panel featuring TOPCon cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.

Technical Specifications

Electrical Characteristics (STC)

Peak Power (Pmax): : 640 W
Open-Circuit Voltage (Voc): : 49.39 V
Max Power Voltage (Vmpp): : 41.2 V
Short-Circuit Current (Isc): : 16.24 A
Max Power Current (Impp): : 15.54 A
Number of Cells: : 132

Temperature

Temp. Coefficient Voc: : -0.25 %/°C
Temp. Coefficient Isc: : 0.045 %/°C
Temp. Coefficient Pmax: : -0.29 %/°C
Max System Voltage: : 1,500 V
Nominal Cell Temperature (NOCT): : 45 °C
Cell Technology: : TOPCon
Bifaciality Factor: : 80%
Max Series Fuse: : 35 A
Power Tolerance: : +3%

Physical

Length: : 2,382 mm
Width: : 1,134 mm
Thickness: : 30 mm
Weight: : 33.1 kg

Datasheet

Download PDF1.2 MB

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Other Models in This Series

Model	Power	Voc	Isc
JAM66D45-615/LB	615 W	48.3 V	16.1 A
JAM66D45-620/LB	620 W	48.5 V	16.13 A
JAM66D45-625/LB	625 W	48.7 V	16.15 A
JAM66D45-630/LB	630 W	48.9 V	16.18 A
JAM66D45-635/LB	635 W	49.1 V	16.21 A
JAM66D45-640/LBCurrent	640 W	49.39 V	16.24 A

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