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Tools Resources Legal TommaTech TT620-144TNB10 — 620W TOPCon Solar Panel | Solar Stack
Solar Panels TommaTech 144TNB10 TT620-144TNB10 TommaTech TT620-144TNB10 620 W TOPCon TopCon N-Type M10 Glass-Backsheet TOPCon N-Type Bifacial 144 cells
The TommaTech TT620-144TNB10 is a 620 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) : 620 W
Open-Circuit Voltage (Voc) : 53.18 V
Max Power Voltage (Vmpp) : 44.55 V
Short-Circuit Current (Isc) : 14.66 A
Max Power Current (Impp) : 13.92 A
Number of Cells : 144
Temp. Coefficient Voc : -0.26 %/°C
Temp. Coefficient Isc : 0.04 %/°C
Temp. Coefficient Pmax : -0.3 %/°C
Max System Voltage : 1500 V
Nominal Cell Temperature (NOCT) : 45 °C
Cell Technology : TOPCon
Max Series Fuse : 30 A
Power Tolerance : +5%
Length : 2278 mm
Width : 1134 mm
Thickness : 35 mm
Weight : 31 kgOther Models in This Series Model Power Voc Isc
590 W 51.98 V 14.3 A
595 W 52.18 V 14.36 A
600 W 52.38 V
TT620-144TNB10 Current
620 W 53.18 V 14.66 A
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