FGH40T100SMD-F155

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IGBT (Insulated Gate Bipolar Transistor) is a widely used transistor technology in the field of power electronics. FGH40T100SMD-F155 is a popular IGBT model for its high performance and reliability. It is designed for general purpose and low-side switching applications. In this article, we will take a look at the application field and working principle of FGH40T100SMD-F155.

Application Of FGH40T100SMD-F155

FGH40T100SMD-F155 is a high power, low saturation voltage IGBT model which is suitable for a variety of AC and DC applications. It is commonly used in motor drive systems, induction heating systems, welding machines, UPS systems, power switching systems, and more. It can also be used as a single-ended relay switch, providing excellent overload protection and high frequency operation. It has a repetitive peak off-state voltage rating of 100V and can switch up to 48A of current at 180kHz.

Working Principle Of FGH40T100SMD-F155

FGH40T100SMD-F155 is a three-terminal device. It consists of an N-channel MOSFET source-drain channel connected between two terminals and a bipolar transistor collector-emitter channel connected between the other two terminals. When a positive gate-source voltage is applied to the gate, the device turns on and current flows from the collector through the MOSFET source and drain to the emitter. The collector current is controlled by the gate-source voltage, allowing the device to act as a variable current source.

The device also features freewheeling (snubber) diodes built into the die. These diodes help protect the device from the surge currents generated by motor applications. They also permit synchronous switching when used together with a fast-acting gate driver circuit.

FGH40T100SMD-F155 features a blower-driven forced air cooling system that helps to keep its temperature within specified limits. It also has a temperature compensation circuit which helps to reduce gate voltage variations due to temperature changes. The device also has a low output capacitance and a high current rating, making it suitable for use in a wide range of applications.

Conclusion

FGH40T100SMD-F155 is a reliable and high performance IGBT suitable for general purpose and low-side switching applications. It is a great choice for motor drives, induction heating systems, welding machines, UPS systems, power switching systems, and more. The device features freewheeling diodes, a blower-driven forced air cooling system, and temperature compensation circuit, which help to increase its performance and reliability for these applications.

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