Solar Stack
Solar Stack
How it worksGuidesAdd Equipment
Sign in
Solar Stack

Free solar panel & inverter compatibility checker. Verify your PV string configuration is safe before installation.

Tools

  • Calculator
  • Panel Matcher
  • Inverter Finder
  • Inverter Compare
  • Panel Replacement
  • Cable sizing

Resources

  • Guides
  • How it works
  • Standards & Compliance
  • Data API
  • Replacement methodology
  • Add Equipment
  • Feedback

Legal

  • About
  • Privacy Policy
  • Terms of Service
  • Cookie Policy

© 2026 Solar Stack

All replacements

Find replacement for Trina Solar TSM-NEG19R.20-625

625 W TOPCon solar panel with 132 cells. Voc 49.9 V · Isc 15.92 A · TcVoc -0.24%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

45 panels found · 4294 panels excluded

Trina Solar TSM-NE19R.70-625

625 W

TOPCon
96Exact match
ParameterOriginalReplacementDeviation
Voc49.9 V49.8 V0.2%
Vmpp41.7 V41.6 V0.2%
Isc15.92 A15.93 A0.1%
Impp15 A15 A0.0%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NE19R-625

625 W

TOPCon
96Exact match
ParameterOriginalReplacementDeviation
Voc49.9 V49.8 V0.2%
Vmpp41.7 V41.6 V0.2%
Isc15.92 A15.93 A0.1%
Impp15 A15 A0.0%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NE19R.70-620

620 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.6 V0.6%
Vmpp41.7 V41.4 V0.7%
Isc15.92 A15.91 A0.1%
Impp15 A14.99 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NEG19R.20-620

620 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.6 V0.6%
Vmpp41.7 V41.4 V0.7%
Isc15.92 A15.91 A0.1%
Impp15 A14.99 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NEG19R.20-630

630 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.9 V50.2 V0.6%
Vmpp41.7 V42 V0.7%
Isc15.92 A15.93 A0.1%
Impp15 A15.01 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NE19R-620

620 W

TOPCon
89Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.6 V0.6%
Vmpp41.7 V41.4 V0.7%
Isc15.92 A15.91 A0.1%
Impp15 A14.99 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NE19R-630

630 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc49.9 V50.3 V0.8%
Vmpp41.7 V42 V0.7%
Isc15.92 A15.94 A0.1%
Impp15 A15.01 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NE19R.70-630

630 W

TOPCon
87Good match
ParameterOriginalReplacementDeviation
Voc49.9 V50.3 V0.8%
Vmpp41.7 V42 V0.7%
Isc15.92 A15.94 A0.1%
Impp15 A15.01 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Sun Earth DXM10-66H 630W

630 W

TOPCon
82Good match
ParameterOriginalReplacementDeviation
Voc49.9 V49.7 V0.4%
Vmpp41.7 V42.3 V1.4%
Isc15.92 A15.81 A0.7%
Impp15 A14.9 A0.7%
TcVoc-0.24 %/°C-0.23 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Sun Earth DXM10-66H 640W

640 W

TOPCon
79Acceptable
ParameterOriginalReplacementDeviation
Voc49.9 V50.1 V0.4%
Vmpp41.7 V42.7 V2.4%
Isc15.92 A15.87 A0.3%
Impp15 A14.99 A0.1%
TcVoc-0.24 %/°C-0.23 %/°C±0.010 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Trina Solar TSM-NE19R-615

615 W

TOPCon
78Acceptable
ParameterOriginalReplacementDeviation
Voc49.9 V49.3 V1.2%
Vmpp41.7 V41.1 V1.4%
Isc15.92 A15.89 A0.2%
Impp15 A14.98 A0.1%
TcVoc-0.24 %/°C-0.24 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
TommaTech TT640-132TNB12R G2G

640 W

TOPCon
78Acceptable
ParameterOriginalReplacementDeviation
Voc49.9 V49.79 V0.2%
Vmpp41.7 V41.82 V0.3%
Isc15.92 A16.26 A2.1%
Impp15 A15.31 A2.1%
TcVoc-0.24 %/°C-0.26 %/°C±0.020 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

Already have panels?

Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.

How the Algorithm Works

Learn how panels are scored and matched

Original Panel Specs

Voc

49.9 V

Vmpp

41.7 V

Isc

15.92 A

Impp

15 A

TcVoc

-0.24 %/°C

TcPmax

-0.29 %/°C

Pmax

625 W

Cells

132

Length

2382 mm

Width

1134 mm

Thickness

30 mm

Weight

30 kg

The Trina Solar TSM-NEG19R.20-625 is a 625 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.

Other models in this series

ModelPowerVocIsc
TSM-NEG19R.20-600600 W48.4 V15.8 A
TSM-NEG19R.20-605605 W48.7 V15.83 A
TSM-NEG19R.20-610610 W49 V15.86 A
TSM-NEG19R.20-615615 W49.3 V15.89 A
TSM-NEG19R.20-620620 W49.6 V15.91 A
TSM-NEG19R.20-630630 W50.2 V15.93 A

Frequently Asked Questions

What specs must match when replacing the Trina Solar TSM-NEG19R.20-625?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 49.9 V (within ±5%), and temperature coefficient TcVoc close to -0.24%/°C. If Voc differs significantly, the string voltage at extreme temperatures may shift outside the inverter's MPPT range. The replacement finder above pre-screens all candidates by these criteria.

Can I use a higher wattage replacement for the Trina Solar TSM-NEG19R.20-625?

A higher wattage panel usually has a higher Vmpp or Isc, which can affect string voltage and current. Small increases (up to 10–15%) are typically safe if the other electrical specs align. The replacement finder shows a compatibility score — 'Exact match' means the specs align closely. Always verify the replacement in the String Compatibility Calculator with your inverter before installation.

What happens if the replacement panel has different voltage specs?

If the replacement has a significantly different Voc or Vmpp, the string voltage may shift outside the inverter's MPPT range, reducing energy production or causing faults. This effect is amplified at temperature extremes: at low temperatures, voltage rises by the TcVoc coefficient. The replacement finder automatically accounts for this — it scores candidates by how closely the electrical specs match the original Trina Solar TSM-NEG19R.20-625.