STGP3NC120HD

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The STGP3NC120HD belongs to the category of single IGBTs (Insulated Gate Bipolar Transistors). An IGBT (research type) is a semiconductor device with three terminals, designed for high-speed switching applications. The device consists of a single isolated IGBT chip, which is commonly named as a “channel”.

The STGP3NC120HD is obtained using a lateral N-channel IGBT chip and a reverse conducting diode which is fitted inside the chip. The reverse conducting diode is also sometimes referred to as the Freewheeling Diode or the Flyback Diode. The reverse conducting diode plays a key role in the functioning of the STGP3NC120HD as it helps provide low switching losses.

The STGP3NC120HD is designed for high efficiency and power density topologies. It has a rated current of 120A and a peak current of 150A. The device is suitable for the construction of different types of inverters, converters and motor drive modules. This type of IGBT can also be used in applications such as variable frequency drives, lighting equipment, power factor control, utility and industrial variable speed drives, etc.

The STGP3NC120HD device consists of three pins: gate, collector, and emitter. The gate is the control pin which is used to control the device and is directly connected to the switch. The collector pin is used to draw the current sourced by the switch and is connected to the positive terminal of the output. The emitter pin is used to provide the current path back to the negative terminal of the output.

The working principle of the STGP3NC120HD is simple. When the gate is held at a positive voltage relative to the emitter, the device is in the ‘on’ state. This allows current to flow from the collector to the emitter and out of the device, creating an output voltage. When the gate is held at a negative voltage relative to the emitter, the device is in the ‘off’ state. This prevents current from flowing and the device acts as an open switch, allowing the output voltage to remain static.

The STGP3NC120HD is designed for reliable operation in high voltage and high current environments. It is capable of withstanding high junction temperatures and is suitable for use in a variety of switching applications. The device is protected by its creepage distance, which is the shortest distance between two uninsulated parts. This helps prevent personal injury or equipment damage due to shock or short circuit.

In conclusion, the STGP3NC120HD is an IGBT device which can be used in a wide range of applications. It has a rated current of 120A and a peak current of 150A and is protected by its creepage distance. This makes it a suitable choice for applications such as variable frequency drives, lighting equipment, power factor control, utility and industrial variable speed drives, etc. The STGP3NC120HD device works by allowing or preventing current flow depending on the gate voltage.

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