APTGT75DH120TG

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APTGT75DH120TG is a state of the art Power Transistor Module designed and manufactured by Infineon Technologies AG. It is a high voltage, field-stop IGBT Module with an integrated free wheel diode. The component is made up of two Field Stop IGBTs in a dual in-line package. These IGBTs are specially designed for low power applications and are primarily used in switched mode power supplies and adjustable speed drives for energy conversion applications.

The APTGT75DH120TG Module consists of two parallel connected IGBT’s with a freewheel diode module type APTGT75DI120T6U. The IGBTs have a rated voltage of 1700V with average on-state rms current of 75A. Both the IGBTs are rated for maximum switching frequency of 500kHz with fast and soft switching capability.

APTGT75DH120TG is ideal for applictations such as motor drives, switched mode power supply, renewable energy, solar and wind inverters, traction systems, uninterruptible power (UPS) systems, welding machines and many more. The Module features a low forward voltage drop and low on-state resistance. It has fast switching capability, short turn-off and turn-on times, and soft turn-off.

The Working Principle of APTGT75DH120TG is simple and can be understood as a two stage process. The first stage consists of the gate voltage causing a forward bias on the Base- Collector junction of the IGBT, so that the IGBT can act as an open switch, conducting current from its collector to its emitter. In the second stage, the current flow is reversed, allowing the IGBT to become a closed switch, blocking current from its collector to its emitter.

The integrated freewheel diode works in parallel to the IGBTs and functions as a closed circuit, allowing current flow in only one direction through the power circuit. This allows the current to dissipate quickly, protecting the IGBT from high reverse recovery current during the turn-off process. Thus, the APTGT75DH120TG Module is the perfect choice for applications that require high switching speed, low losses and reliability.

In conclusion, the APTGT75DH120TG module is an ideal solution for motor drives, switched mode power supplies and adjustable speed drives requiring enhanced performance and robustness. Its fast switching capability, low voltage drop and low on-state resistance provide an ideal power solution for a variety of energy conversion applications. The integration of two field-stop IGBTs and an integrated freewheel diode make it a one-stop solution for applications that require reliable power and reliable switching.

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