TommaTech TT420-108TNFB10 Dark Series

420 WTOPConTopCon N-Type M10Glass-BacksheetTOPConN-TypeFull Black108 cells

The TommaTech TT420-108TNFB10 Dark Series is a 420 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): : 420 W
Open-Circuit Voltage (Voc): : 37.91 V
Max Power Voltage (Vmpp): : 31.94 V
Short-Circuit Current (Isc): : 13.95 A
Max Power Current (Impp): : 13.15 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: : 1500 V
Nominal Cell Temperature (NOCT): : 45 °C
Cell Technology: : TOPCon
Max Series Fuse: : 25 A
Power Tolerance: : +5%

Physical

Length: : 1722 mm
Width: : 1134 mm
Thickness: : 30 mm
Weight: : 21.45 kg

Datasheet

Download PDF2.8 MB

Other Models in This Series

Model	Power	Voc	Isc
	415 W	37.71 V	13.88 A
TT420-108TNFB10 Dark SeriesCurrent	420 W	37.91 V

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