Select the panel you want to replace
Voc
43.9 V
Vmpp
36.6 V
Isc
18.3 A
Impp
17.22 A
TcVoc
-0.24 %/°C
TcPmax
-0.29 %/°C
Pmax
630 W
Cells
120
Bifaciality
80%
The Trina Solar TSM-NEG20C.20-630 is a 630 W solar panel. Finding a compatible replacement requires matching the original electrical characteristics — particularly Voc, Vmpp, Isc, and temperature coefficients — to ensure safe operation within the same string.
Use the form above to find panels that match these specifications. Then verify the replacement in the String Compatibility Calculator with your inverter.