The FGH40T120 is an IGBT (Insulated Gate Bipolar Transistor) manufactured by Fairchild Semiconductor, now part of ON Semiconductor. IGBTs combine the characteristics of MOSFETs and bipolar junction transistors (BJTs), offering high input impedance and low on-state voltage drop. This makes them suitable for high-voltage, high-current switching applications.

Applications

• Uninterruptible Power Supplies (UPS)
• Welding equipment
• Induction heating
• Power factor correction (PFC) circuits
• Motor control

Features

• High-speed switching
• Low saturation voltage
• High input impedance
• Avalanche ruggedness
• Temperature compensated parameters

Benefits

• Enables efficient power conversion with minimal losses.
• Allows for precise control of power flow in various applications.
• Simplifies gate drive circuitry.
• Provides robust performance under transient voltage conditions.
• Ensures stable operation over a wide temperature range.

Technical Specifications

The FGH40T120 has a voltage rating of 1200V and a continuous collector current of 40A. The gate-emitter voltage is ±20V. The turn-on and turn-off times are typically in the nanosecond range, enabling high-frequency switching operation. The operating junction temperature range is -55°C to +150°C. The package is TO-247.

The FGH40T120 is commonly used in high-power inverters and converters. Its low saturation voltage reduces power dissipation, resulting in higher efficiency. The high switching speed allows for smaller and lighter passive components to be used in the circuit. The avalanche ruggedness ensures that the IGBT can withstand voltage spikes without damage. ON Semiconductor's advanced manufacturing techniques ensure that the FGH40T120 delivers reliable and consistent performance in demanding applications.