STGW80H65DFB

The STGW80H65DFB is a high-performance power MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) manufactured by STMicroelectronics. It is designed for use in various applications, including power conversion, motor control, and industrial equipment. Here’s a detailed description of its key features and specifications:

Key Features:

1. Type: N-channel MOSFET

   • The STGW80H65DFB is an N-channel device, which means it conducts when a positive voltage is applied to the gate relative to the source.

2. Voltage Rating: 650V

   • This MOSFET can handle a maximum drain-source voltage (V_DS) of 650 volts, making it suitable for high-voltage applications.

3. Current Rating: 80A

   • It has a continuous drain current (I_D) rating of 80 amperes, allowing it to handle significant current loads.

4. R_DS(on): Low On-Resistance

   • The device features a low on-resistance (R_DS(on)), typically around 0.18 ohms at a gate-source voltage (V_GS) of 10V. This low resistance minimizes power losses during operation.

5. Gate Threshold Voltage (V_GS(th)): 2V to 4V

   • The gate threshold voltage indicates the minimum gate-source voltage required to turn the MOSFET on. This range allows for efficient switching in various applications.

6. Package Type: TO-247

   • The STGW80H65DFB is housed in a TO-247 package, which is designed for high-power applications. This package provides good thermal performance and is suitable for mounting on heatsinks.

7. Thermal Resistance: Low

   • The device has a low thermal resistance, which helps in efficient heat dissipation, allowing it to operate at higher power levels without overheating.

8. Fast Switching Speed:

   • The MOSFET is designed for fast switching applications, making it ideal for use in switch-mode power supplies (SMPS) and other high-frequency applications.

9. Robustness:

   • The STGW80H65DFB is designed to withstand harsh operating conditions, including high temperatures and voltage spikes, ensuring reliability in demanding environments.

Applications:

• Power Supplies: Used in switch-mode power supplies (SMPS) for efficient power conversion.
• Motor Drives: Suitable for driving electric motors in industrial and automotive applications.
• Inverters: Commonly used in inverter circuits for renewable energy systems, such as solar inverters.
• Lighting: Can be used in LED drivers and other lighting applications.

Conclusion:

The STGW80H65DFB from STMicroelectronics is a versatile and robust power MOSFET that offers high voltage and current handling capabilities, low on-resistance, and fast switching speeds. Its design makes it suitable for a wide range of applications in power electronics, making it a popular choice among engineers and designers in the field.