Select the panel you want to replace
Voc
50.1 V
Vmpp
41.9 V
Isc
18.62 A
Impp
17.55 A
TcVoc
-0.24 %/°C
TcPmax
-0.29 %/°C
Pmax
735 W
Cells
132
Bifaciality
80%
The Trina Solar TSM-NEG21C.20-735 is a 735 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.