420 W TOPCon solar panel with 108 cells. Voc 38.48 V · Isc 13.78 A · TcVoc -0.25%/°C.
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133 panels found · 4206 panels excluded
415 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.5 V | 0.1% |
| Vmpp | 32.02 V | 31.9 V | 0.4% |
| Isc | 13.78 A | 13.72 A | 0.4% |
| Impp | 13.12 A | 13.01 A | 0.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
425 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.54 V | 0.2% |
| Vmpp | 32.02 V | 32.35 V | 1.0% |
| Isc | 13.78 A | 13.79 A | 0.1% |
| Impp | 13.12 A | 13.14 A | 0.2% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
425 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.54 V | 0.2% |
| Vmpp | 32.02 V | 32.35 V | 1.0% |
| Isc | 13.78 A | 13.79 A | 0.1% |
| Impp | 13.12 A | 13.14 A | 0.2% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
420 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.44 V | 0.1% |
| Vmpp | 32.02 V | 31.87 V | 0.5% |
| Isc | 13.78 A | 13.83 A | 0.4% |
| Impp | 13.12 A | 13.18 A | 0.5% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
430 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.49 V | 0.0% |
| Vmpp | 32.02 V | 31.88 V | 0.4% |
| Isc | 13.78 A | 14.23 A | 3.3% |
| Impp | 13.12 A | 13.49 A | 2.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
420 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.7 V | 0.6% |
| Vmpp | 32.02 V | 32.1 V | 0.2% |
| Isc | 13.78 A | 13.81 A | 0.2% |
| Impp | 13.12 A | 13.09 A | 0.2% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
435 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.43 V | 0.1% |
| Vmpp | 32.02 V | 31.94 V | 0.2% |
| Isc | 13.78 A | 14.34 A | 4.1% |
| Impp | 13.12 A | 13.62 A | 3.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
425 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.7 V | 0.6% |
| Vmpp | 32.02 V | 32.1 V | 0.2% |
| Isc | 13.78 A | 13.91 A | 0.9% |
| Impp | 13.12 A | 13.24 A | 0.9% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
430 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.6 V | 0.3% |
| Vmpp | 32.02 V | 32.68 V | 2.1% |
| Isc | 13.78 A | 13.8 A | 0.1% |
| Impp | 13.12 A | 13.16 A | 0.3% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
430 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.49 V | 0.0% |
| Vmpp | 32.02 V | 31.88 V | 0.4% |
| Isc | 13.78 A | 14.23 A | 3.3% |
| Impp | 13.12 A | 13.49 A | 2.8% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.29 %/°C | ±0.010 %/°C |
430 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.6 V | 0.3% |
| Vmpp | 32.02 V | 32.68 V | 2.1% |
| Isc | 13.78 A | 13.8 A | 0.1% |
| Impp | 13.12 A | 13.16 A | 0.3% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
430 W
TOPCon| Parameter | Original | Replacement | Deviation |
|---|---|---|---|
| Voc | 38.48 V | 38.55 V | 0.2% |
| Vmpp | 32.02 V | 31.84 V | 0.6% |
| Isc | 13.78 A | 14.26 A | 3.5% |
| Impp | 13.12 A | 13.52 A | 3.0% |
| TcVoc | -0.25 %/°C | -0.25 %/°C | ±0.000 %/°C |
| TcPmax | -0.3 %/°C | -0.3 %/°C | ±0.000 %/°C |
String Compatibility Calculator
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Panel Matcher
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How the Algorithm Works
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Voc
38.48 V
Vmpp
32.02 V
Isc
13.78 A
Impp
13.12 A
TcVoc
-0.25 %/°C
TcPmax
-0.3 %/°C
Pmax
420 W
Cells
108
Bifaciality
80%
Length
1722 mm
Width
1134 mm
Thickness
30 mm
Weight
20.5 kg
The DAS Solar DAS-DH108NA-420 is a 420 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.
| Model | Power | Voc | Isc |
|---|---|---|---|
| DAS-DH108NA-425 | 425 W | 38.54 V | 13.79 A |
| DAS-DH108NA-430 | 430 W | 38.6 V | 13.8 A |
| DAS-DH108NA-435 | 435 W | 38.72 V | 13.89 A |
| DAS-DH108NA-440 | 440 W | 38.88 V | 13.98 A |
The most critical specs to match are: cell count (must be exactly 108), Voc close to 38.48 V (within ±5%), and temperature coefficient TcVoc close to -0.25%/°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.
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.
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 DAS Solar DAS-DH108NA-420.