TommaTech TT620-144TNFB10 Dark Series

620 WTOPConTopCon N-Type M10Glass-BacksheetN-TypeFull Black144 cells

The TommaTech TT620-144TNFB10 Dark Series 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

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: : 30 A
Power Tolerance: : +5%

Physical

Length: : 2,278 mm
Width: : 1,134 mm
Thickness: : 35 mm
Weight: : 29 kg

Datasheet

Download PDF1.5 MB

Sourcetommatech.de

Other Models in This Series

Model	Power	Voc	Isc
TT590-144TNFB10 Dark Series	590 W	51.98 V	14.3 A
TT595-144TNFB10 Dark Series	595 W	52.18 V	14.36 A
TT600-144TNFB10 Dark Series	600 W	52.38 V	14.42 A
TT605-144TNFB10 Dark Series	605 W	52.58 V	14.48 A
TT610-144TNFB10 Dark Series	610 W	52.78 V	14.54 A
TT615-144TNFB10 Dark Series	615 W	52.98 V	14.6 A
TT620-144TNFB10 Dark SeriesCurrent	620 W	53.18 V	14.66 A

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