What is the TSM-NEG19RC.20?
- Rated output: 650 W at STC (model range 625–650 W), power tolerance 0 ~ +5 W
- Module efficiency: 24.1% at 650 W (model range 23.1–24.1%) — the highest in the current line
- Cell technology: N-type i-TOPCon Ultra, bifacial dual glass, 132 half-cut cells, bifaciality 80 ± 5%
- Size and weight: 2382 × 1134 × 30 mm, 33.0 kg — the same width as a residential module
- Warranty: 12-year product, 30-year power, no less than 87.4% remaining in year 30
The TSM-NEG19RC.20 reaches 24.1% module efficiency — the highest figure in the current Vertex N line — while staying just 1134 mm wide, the same width as an ordinary residential panel. That single dimension is why it lands on hotel and factory metal-sheet roofs far more easily than the wider 740W module in the same family. This page explains what the datasheet figures mean when a system is actually laid out on a Phuket roof. Pearl Solar Energy's engineers and installers specify panels of this class mainly for hotel, resort and commercial projects, and you can size a system roughly with the calculator before requesting a site visit.
What is the TSM-NEG19RC.20, and why do installers often prefer it over the 740W?
This is a 132 half-cut-cell bifacial dual-glass module using the same N-type i-TOPCon Ultra cells as the rest of the Vertex N family, but arranged on a 1134 mm-wide format instead of a wide-body one. The result is 24.1% module efficiency — the highest in the current line — at 33.0 kg with a 30 mm frame. That 1134 mm width is the practical heart of the matter: standard mounting rails, clamps and purlin spacings that a crew already uses for residential-format panels carry over directly, with no special hardware and no structural rework. Electrically it is also gentler than the 740W module: 16.59 A short-circuit and 15.69 A at maximum power give more latitude in DC cable sizing and protection selection, while the 49.77 V open-circuit voltage, 35 A maximum series fuse and 1500 V DC system rating stay within normal commercial design territory. You can see how it pairs with the rest of the system under equipment, and how storage changes the design under hybrid with battery backup. One caveat worth raising early: the APAC datasheet for this model states no mechanical load figure in Pascals, so if your structural engineer needs one, request the IEC 61215 certification from the manufacturer or importer rather than assuming a value.
Highlights from the datasheet
- 24.1% module efficiency — the highest in the line: the most output per square metre of any Trina module documented for 2025. It matters most on roofs where walkways, skylights and plant equipment leave less usable area than the roof plan suggests.
- 1134 mm width, the same as a residential panel: standard rails and purlin spacings apply, which removes special-order hardware and shortens installation time compared with wide-format modules.
- 33.0 kg with a 30 mm frame: lighter than the higher-power module in the same family, which makes it a realistic two-person lift onto a factory or hotel roof rather than a crane job.
- Pmax temperature coefficient of −0.29 %/°C: identical to the rest of the family, and the figure that governs real yield in a tropical climate far more than the wattage on the label.
- Bifaciality of 80 ± 5%: the rear face collects reflected light at this proportion of the front. Elevated mounting over a bright surface converts that into real energy; a flush roof mount largely does not.
- Moderate current — Isc 16.59 A, Imp 15.69 A: lower than the 740W module, giving more flexibility in DC cable and protection sizing. Maximum series fuse is 35 A and system voltage is 1500 V DC to both IEC and UL.
- 30-year power warranty: first-year degradation capped at 1%, then no more than 0.4% per year, with no less than 87.4% remaining in year 30. The product warranty is 12 years, so read the conditions before signing.
Key specifications (TSM-NEG19RC.20)
| Specification | Datasheet value |
|---|---|
| Peak Power Watts (Pmax) | 650 W ที่ STC (ช่วงรุ่น 625–650 W) · ค่าความคลาดเคลื่อนกำลังไฟ 0 ~ +5 W |
| Module Efficiency | 24.1% (ที่ 650 W) · ช่วงรุ่น 23.1–24.1% |
| Cell Type | N-type i-TOPCon Ultra Monocrystalline แบบไบเฟเชียล กระจกสองชั้น (Bifacial Dual Glass) |
| Number of Cells | 132 เซลล์ (half-cut) |
| Vmp / Imp at STC | 41.43 V / 15.69 A (ที่ 650 W) |
| Voc / Isc at STC | 49.77 V / 16.59 A (ที่ 650 W) |
| Temperature Coefficient of Pmax | −0.29 %/°C |
| Temperature Coefficient of Voc / Isc | −0.24 %/°C / +0.04 %/°C |
| NOCT | 43°C (±2°C) |
| Module Dimensions | 2382 × 1134 × 30 mm (กระจกหน้า 2.0 mm เคลือบ AR + กระจกหลัง 2.0 mm, เฟรมอะลูมิเนียมอะโนไดซ์ 30 mm) |
| Weight | 33.0 kg |
| Max System Voltage / Max Series Fuse Rating | 1500 V DC (IEC และ UL) / 35 A |
| Operating Temperature Range | −40°C ถึง +70°C |
| Bifaciality / J-Box / Connector | 80 ± 5% · กล่องต่อสาย IP68 · ขั้วต่อ TS4 Plus / TS4 · สาย 4.0 mm² |
| Product Warranty / Power Warranty | 12 ปี / 30 ปี (คงเหลือไม่ต่ำกว่า 87.4% ในปีที่ 30) |
| Degradation | ปีแรกไม่เกิน 1% ปีถัดไปไม่เกิน 0.4% ต่อปี |
Note: every figure above comes straight from the Trina Solar Co., Ltd. (จดทะเบียนในตลาดหลักทรัพย์ STAR Market รหัสหุ้น 688599) datasheet. Actual system design (strings per MPPT, cable sizing, breakers) must be calculated for each site.
Why this model suits Phuket
- Hotel roofs with less usable area than they appear to have: condensing units, water tanks and service walkways eat into the plan quickly, so 24.1% efficiency recovers capacity that would otherwise be lost to the layout.
- Year-round heat: the −0.29 %/°C Pmax coefficient and the 43°C (±2°C) NOCT rating decide actual production here far more than the 650 W STC figure does.
- Salt air and airborne dust: the datasheet records testing against salt mist, ammonia, sand and dust, and PID — all directly relevant on coastal roofs across Phuket, Phang Nga and Krabi.
- PEA grid connection is mandatory: Phuket sits in the Provincial Electricity Authority area. We prepare and file the application on your behalf, and equipment listing status is confirmed with the importer and PEA before each submission — see PEA permits.
Who it suits
- Mid-size to large hotels and resorts: several roof planes, much of the area lost to services, and a strong incentive to maximise capacity within the space that remains.
- Factories and commercial buildings with metal-sheet roofs: the 1134 mm width lets crews use standard rails and existing purlin spacings without structural modification.
- Single-axis tracker installations: the module proportions and 80 ± 5% bifaciality suit elevated mounting above a reflective surface, where the rear face genuinely contributes.
- Owners underwriting a 20 to 30 year asset: a 30-year power warranty with 0.4% annual degradation after year one gives you defensible modelling assumptions.
- Overkill for — small houses: at 2382 mm long and 33.0 kg, this is still a commercial-format panel. Residential roofs are better served by the Vertex S+ 470W.
Summary
The TSM-NEG19RC.20 is the most balanced point in the Vertex N line: the highest efficiency in the family at 24.1%, yet still 1134 mm wide and 33.0 kg, which means a crew can install it on a hotel or factory roof using standard mounting hardware. The figures worth watching are the −0.29 %/°C Pmax coefficient, 49.77 V Voc, 16.59 A Isc, and a 30-year power warranty holding no less than 87.4% in year 30. Pearl Solar Energy's engineers and installers are ready to install it and will match the string design and inverter to those numbers. See what a project typically involves under solar cost in Phuket, then contact us for a roof assessment.
See other models from this brand on the Trina Solar (Trinasolar) overview, or browse all the equipment we install.
Download the datasheet (PDF) — full manufacturer specification sheet