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Trina Solar TSM-635NEG19RC.20
Trina Solar Brand review

TSM-635NEG19RC.20

635 Wp TOPCon Bifacial 80%
ComparePV verdict

Space saver, no clear weak spot

Rank 1,750 of 14,005
Compare panels Datasheet PDF
Power (Wp)
635
Strong · top 16%
Efficiency (%)
23.50
Strong · top 10%
Density (Wp/m²)
235.1
Strong · top 9%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
33.0
Typical · median 32.7 kg
Warranty (yrs)
30
Typical · median 30 yrs

Trina Solar Vertex N modules are based on N-type cells in i-TOPCon technology, designed to maximize gains throughout the entire lifecycle of the installation. In practice, this means better performance at high temperatures and significantly more stable energy production over the long term - especially where predictability and low operational costs are key.

A major highlight is the dual-glass construction, which enhances resistance to moisture, temperature fluctuations, and micro-cracks. Combined with high bifaciality (in two-sided variants), the Vertex N series enables a truly significant gain when modules operate above a light-colored background or on elevated structures.

Vertex N is an excellent choice for utility-scale PV farms and commercial installations, where lower BOS costs, easier logistics, and compatibility with trackers are crucial. It stands out from the competition thanks to its refined platform for large-size cells and a focus on long-term reliability, rather than short-term paper gains.

Ranking

1,086 panels in the segment TOPCon 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 23.50% 22.80% Strong · top 10% 716
Power density 235.1 227.7 Strong · top 9% 741
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 52.0 53.1 Typical 5,408
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Price offers

1 from shops we track
Shop Country Price Per kWp Stock Offer updated Link to shop
eshop.helion.cz Czechia 2 744 Kč net 4 321.26 Kč/kWp Not stated 13h ago Visit shop

Signals from the data

2 positive · 0 caution
Best for

Utility-scale, commercial and hot-climate.

Strengths
235.1 watts per square metre

Top 9% of the TOPCon 600-650 W segment, against a median of 227.7. Ranked 741st in the whole database.

23.50% module efficiency

Top 10% of the TOPCon 600-650 W segment, against a median of 22.80%. Ranked 716th in the whole database.

Notes from the database
  • 23.5% module efficiency - 0.7pp better than the TOPCon 600-650W median of 22.8%
  • Power density of 235.1 W/m² packs 7.4 W/m² more into the same footprint vs TOPCon 600-650W median (227.7 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 600-650W median
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof
  • In the top 5% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 635 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 23.50 % Strong Segment median 22.80%
Vmpp · Impp 40.84 V · 15.55 A Operating point at max power
Voc · Isc 49.10 V · 16.44 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2382×1134×30 mm · 2.70 m² of roof
Weight 33.0 kg Typical Typical · median 32.7 kg
Cells 132 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.240 · 0.040 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 555 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Trina Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 635 Wp appear here. The rest cover the whole series.

Performance Warranty Performance Warranty Whole series

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Trina Solar TSM-635NEG19RC.20 635 W 23.50% -0.290 33.0 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg Cooler, lighter, +1.7 pp
AIKO-A680-MDE72Mw 680 W 25.20% -0.260 29.0 kg +45 W, lighter, +1.7 pp
AIKO-A675-MDE72Mw 675 W 25.00% -0.260 29.0 kg +40 W, lighter, +1.5 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg Cooler, lighter, +1.5 pp
AIKO-G670-MCH72Mw 670 W 24.80% -0.260 28.2 kg +35 W, lighter, +1.3 pp
LR7-72HVHF-670M 670 W 24.80% -0.260 28.5 kg +35 W, lighter, +1.3 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg Cooler, lighter, +1.3 pp
TEB-NEGA6ND.48-420 (Silver Grey, RAL9018) 420 W 15.50% -0.290 33.0 kg -215 W, -8.0 pp, -5 yr warranty
TEB-NEGA6ND.48-425 (Silver Grey, RAL9018) 425 W 15.70% -0.290 33.0 kg -210 W, -7.8 pp, -5 yr warranty
TEB-NEGA6ND.48-430 (Silver Grey, RAL9018) 430 W 15.90% -0.290 33.0 kg -205 W, -7.6 pp, -5 yr warranty
TEB-NEGA6ND.48-545 (Green, RAL6001) 545 W 20.20% -0.290 33.0 kg -90 W, -3.3 pp, -5 yr warranty
TEB-NEGA6ND.48-550 (Green, RAL6001) 550 W 20.30% -0.290 33.0 kg -85 W, -3.2 pp, -5 yr warranty
AIKO-A700-MAE78Dw 700 W 25.00% -0.260 34.5 kg +65 W, cooler, +1.5 pp
AIKO-A695-MAE78Dw 695 W 24.90% -0.260 34.5 kg +60 W, cooler, +1.4 pp
JKM650-670N-66QL6-BDV (670W class) 670 W 24.80% -0.260 32.5 kg +35 W, cooler, +1.3 pp

Found 1119 panels of the same or similar size to this one, within ±10 mm. See them here Found 1125 panels of the same or similar size to this one, within ±25 mm. See them here Found 1236 panels of the same or similar size to this one, within ±50 mm. See them here Found 1917 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is the warranty on Trina Solar Vertex N panels?
Trina Solar Vertex N panels come with a 12-year product warranty and a 30-year linear power warranty. First-year power degradation is capped at 1%, followed by a maximum annual decline of 0.4% in subsequent years. This means the module still delivers a substantial share of its rated power after 30 years, giving PV farm and commercial installation investors a predictable return and lower long-term risk.
How does i-TOPCon technology in the Vertex N differ from classic PERC panels?
N-type cells built with i-TOPCon technology, used in the Vertex N series, have lower recombination losses and perform better at high temperatures than classic P-type PERC cells. In practice this means higher efficiency (up to 740 Wp), slower power degradation over time, and more stable energy output throughout the system's lifetime, especially in hot climates or high-irradiance sites.
Are Vertex N panels bifacial?
This particular model in the Vertex N series is a mono-facial variant - it generates power only from the front side of the module. Trina Solar also offers bifacial versions within the same series, which can deliver a higher yield when mounted over a reflective surface or on elevated racking. The choice between mono-facial and bifacial depends on the installation type - sloped roofs rarely capture the full bifacial gain, so the mono-facial variant is often the more cost-effective choice there.
What installations are Trina Solar Vertex N panels rated up to 740 Wp best suited for?
Vertex N panels rated up to 740 Wp are designed mainly for utility-scale PV farms and large commercial installations, where lowering BoS (Balance of System) cost per watt installed matters most. Larger dimensions and higher unit power mean fewer modules, mounts, and cables per kW, simplifying logistics, tracker-mounted installation, and reducing overall install time compared to smaller panels.
Is Trina Solar a reliable Tier 1 manufacturer, and is the Vertex N series a good investment?
Yes, Trina Solar is one of the world's largest PV module manufacturers, classified as Tier 1 - meaning financial stability, continuous production, and a proven ability to honor long-term warranties. The company is headquartered in China and has extensive experience in utility-scale solar. Combined with the Vertex N series' 30-year power warranty, this gives investors a high degree of confidence in the system's durability and profitability.
How does the dual-glass construction in the Vertex N improve durability in harsh climates?
The dual-glass construction, where cells are protected by glass on both sides instead of a rear backsheet, significantly improves resistance to moisture, microcracks, and PID degradation. As a result, Vertex N panels better withstand large temperature swings, high humidity, and coastal or industrial environments. This design translates into a longer module lifespan and lower failure risk over the 30-year period covered by the power warranty.
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