TommaTech TT620-108TNB12 Diamond Plus G2G

620 WTOPConTopCon N-Type M12Glass-GlassN-TypeGlass-GlassBifacial108 cells

The TommaTech TT620-108TNB12 Diamond Plus G2G 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): : 40.9 V
Max Power Voltage (Vmpp): : 34.6 V
Short-Circuit Current (Isc): : 18.94 A
Max Power Current (Impp): : 17.92 A
Number of Cells: : 108

Temperature

Temp. Coefficient Voc: : -0.26 %/°C
Temp. Coefficient Isc: : 0.04 %/°C
Temp. Coefficient Pmax: : -0.3 %/°C
Max System Voltage: : 1,500 V
Nominal Cell Temperature (NOCT): : 45 °C
Cell Technology: : TOPCon
Max Series Fuse: : 25 A
Power Tolerance: : +5%

Physical

Length: : 1,965 mm
Width: : 1,303 mm
Thickness: : 30 mm
Weight: : 32.5 kg

Datasheet

Download PDF2.1 MB

Sourcetommatech.de

Other Models in This Series

Model	Power	Voc	Isc
TT610-108TNB12 Diamond Plus G2G	610 W	40.5 V	18.83 A
TT615-108TNB12 Diamond Plus G2G	615 W	40.7 V	18.89 A
TT620-108TNB12 Diamond Plus G2GCurrent	620 W	40.9 V	18.94 A
TT625-108TNB12 Diamond Plus G2G	625 W	41.1 V	18.99 A

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