Overview
The GWT80H65DFB is a high-speed, Field-Stop (FS) Trench IGBT designed for heavy-duty power switching applications. With a massive 80A current rating and 650V breakdown voltage, it is specifically engineered to handle the high-stress environment of DC-to-AC power conversion. Its “Field-Stop” technology ensures lower conduction losses and faster switching speeds, making it the top choice for technicians repairing pure sine wave inverters and industrial motor drives.
Key Features
High Current Handling: Rated for 80A continuous current, allowing it to drive heavy loads without breaking a sweat.
Trench Field-Stop Technology: Provides a very low $V_{CE(sat)}$ (saturation voltage), which means less heat generation and higher efficiency.
Ultra-Fast Switching: Optimized for high-frequency PWM circuits, common in modern solar and UPS technology.
Robust TO-247 Package: Designed for excellent thermal dissipation when mounted to a proper heatsink.
Built-in Diode: Includes a fast-recovery anti-parallel diode to protect the transistor from inductive “kickback.”
Technical Specifications
| Feature | Specification |
| Model Number | GWT80H65DFB |
| Type | IGBT (Trench Field-Stop) |
| Max Collector-Emitter Voltage (V_{CES}) | 650V |
| Continuous Collector Current (I_C) | 80A (at 100°C) / 160A (at 25°C) |
| Package | TO-247 (Through-Hole) |
| Gate-Emitter Voltage (V_{GES}) | ±20V |
| Switching Speed | High Speed / Low Loss |
Ideal Applications
Solar Inverters: Main switching component for DC-AC conversion.
UPS Systems: Critical for heavy-duty battery backup units.
Induction Heating: Used in high-power heating elements and stovetops.
Welding Machines: Capable of handling the extreme currents required for ARC/MIG welding.
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