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Tools Resources Legal Suntech STP645S-C78/Nsh+ — 645W TOPCon Solar Panel | Solar Stack
Solar Panels Suntech STP630-650S-C78-NSH+ STP645S-C78/Nsh+ Suntech STP645S-C78/Nsh+ 645 W TOPCon Ultra V Pro MBB Half-Cell Bifacial 80% 156 cells
The Suntech STP645S-C78/Nsh+ is a 645 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) : 645 W
Open-Circuit Voltage (Voc) : 56.33 V
Max Power Voltage (Vmpp) : 46.26 V
Short-Circuit Current (Isc) : 14.61 A
Max Power Current (Impp) : 13.94 A
Number of Cells : 156
Temp. Coefficient Voc : -0.25 %/°C
Temp. Coefficient Isc : 0.046 %/°C
Temp. Coefficient Pmax : -0.29 %/°C
Max System Voltage : 1500 V
Nominal Cell Temperature (NOCT) : 45 °C
Cell Technology : TOPCon
Bifaciality Factor : 80%
Max Series Fuse : 25 A
Power Tolerance : +3%
Length : 2465 mm
Width : 1134 mm
Thickness : 30 mm
Weight : 34.7 kgOther Models in This Series Model Power Voc Isc
630 W 55.88 V 14.4 A
635 W 56.03 V 14.47 A
640 W 56.18 V
STP645S-C78/Nsh+ Current
645 W 56.33 V 14.61 A
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