S SOLARSPECS
Trina Solar, established in 1997, is one of the oldest and most trusted solar panel manufacturers globally, with over 130 GW of modules shipped worldwide. The Trina TSM-665DE21 is a Monocrystalline solar module delivering 665W of rated power output with 21.56% module efficiency. Designed for megawatt-scale projects, this panel brings reliable performance.
🏭View all 1385 Trina models→ Brand range: 160W–740W
Monocrystalline

Trina TSM-665DE21

Max Power
665W
Efficiency
21.56%
Operating V
38V
Warranty
30Y
Trina TSM-665DE21 logo
Technical Specifications
Open Circuit Voltage (Voc)45.9V
Short Circuit Current (Isc)18.57A
Voltage at Pmax (Vmp)38V
Current at Pmax (Imp)17.51A
Temp. Coefficient of Pmax-0.301%/°C
Dimensions2256 x 1367 x 35 mm
Weight38.5kg
NOCT43.3°C
PTC Rating637.7W
📋 Data verified: June 2026 📄 Specs based on STC (1000 W/m², 25°C, AM 1.5) 🏷️ 1385 Trina models in database

FAQ

How efficient is the Trina TSM-665DE21?

This panel has 21.56% efficiency, which is high for commercial solar panels.

What are the dimensions and weight of the Trina TSM-665DE21?

It measures 2256 x 1367 x 35 mm and weighs 38.5kg.

What is the max power output of the Trina TSM-665DE21?

The Trina TSM-665DE21 is rated at 665W under STC (1000 W/m², 25°C, AM 1.5).

What warranty does Trina provide?

Trina offers a 30-year warranty for the TSM-665DE21, reflecting confidence in long-term durability.

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📊 Brand Context

Trina offers 1385 solar panel models from 160W to 740W.

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