Tongwei TWMND-78HD645

645 WTOPConTNC 2.0M10-78BifacialBifacial 80%156 cells

The Tongwei TWMND-78HD645 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): : 57.6 V
Max Power Voltage (Vmpp): : 48.36 V
Short-Circuit Current (Isc): : 14.05 A
Max Power Current (Impp): : 13.34 A
Number of Cells: : 156

Temperature

Temp. Coefficient Voc: : -0.24 %/°C
Temp. Coefficient Isc: : 0.046 %/°C
Temp. Coefficient Pmax: : -0.28 %/°C
Max System Voltage: : 1500 V
Nominal Cell Temperature (NOCT): : 45 °C
Cell Technology: : TOPCon
Bifaciality Factor: : 80%
Max Series Fuse: : 30 A
Power Tolerance: : +3%

Physical

Length: : 2465 mm
Width: : 1134 mm
Thickness: : 30 mm
Weight: : 33.8 kg

Datasheet

Download PDF1.5 MB

Other Models in This Series

Power	Voc	Isc
625 W	56.8 V	13.74 A
630 W	57 V	13.78 A
635 W	57.2 V

Tongwei TWMND-78HD645

Technical Specifications

Datasheet

Other Models in This Series

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