DMEGC DM640G12RT-B66HSW

The DMEGC DM640G12RT-B66HSW is a 640 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)640 W

Open-Circuit Voltage (Voc)49.47 V

Max Power Voltage (Vmpp)41.28 V

Short-Circuit Current (Isc)16.42 A

Max Power Current (Impp)15.51 A

Number of Cells132

Temperature & Physical

Temp. Coefficient Voc-0.25 %/°C

Temp. Coefficient Isc0.048 %/°C

Temp. Coefficient Pmax-0.29 %/°C

Max System Voltage1500 V

Nominal Cell Temperature (NOCT)42 °C

Cell TechnologyTOPCon

Bifaciality Factor80%

Max Series Fuse30 A

Power Tolerance+3%

Other Models in This Series

Model	Power	Voc	Isc
DM640G12RT-B66HSWCurrent	640 W	49.47 V	16.42 A
DM645G12RT-B66HSW	645 W	49.6 V	16.49 A
	650 W	49.73 V	16.56 A
	655 W	49.86 V	16.63 A
	660 W	49.99 V	16.7 A
	665 W	50.12 V	16.77 A

Technical Specifications

Electrical Characteristics (STC)

Temperature & Physical

Datasheet

Other Models in This Series