Suntech STP640S-H66-Nsh+

640 WTOPConUltra VProHalf-CellBifacial 80%132 cells

The Suntech STP640S-H66-Nsh+ 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): : 49.9 V
Max Power Voltage (Vmpp): : 41.48 V
Short-Circuit Current (Isc): : 16.31 A
Max Power Current (Impp): : 15.43 A
Number of Cells: : 132

Temperature

Temp. Coefficient Voc: : -0.25 %/°C
Temp. Coefficient Isc: : 0.046 %/°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: : 32.5 kg

Datasheet

Download PDF0.8 MB

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Other Models in This Series

Model	Power	Voc	Isc
STP630S-H66-Nsh+	630 W	49.5 V	16.19 A
STP635S-H66-Nsh+	635 W	49.7 V	16.25 A
STP640S-H66-Nsh+Current	640 W	49.9 V	16.31 A
STP645S-H66-Nsh+	645 W	50.1 V	16.37 A
STP650S-H66-Nsh+	650 W	50.3 V	16.43 A

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