STGD19N40LZ Discrete Semiconductor Products

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STGD19N40LZ IGBT (Insulated-gate bipolar transistor) is a single transistor device that is used in various industrial applications such as electric motor control, power supply, photovoltaic inverter, solar energy storage and many more. The STGD19N40LZ is a voltage-controlled device with a breakdown voltage of 400V and a current rating of up to 19A. It is a very popular device among engineers due to its high efficiency, low on-state voltage drop, low switching losses, and an operating temperature range of -40°C to 125°C.

Working Principle

The STGD19N40LZ IGBT is a voltage-controlled device, which means that it is activated by applying a voltage across its gate and source terminals. The amount of the applied voltage determines the amount of current that can flow through the device. When a voltage is applied to the gate terminal, electrons from the negative gate terminal are attracted to the positive source terminal. This process creates an inversion layer of electrons at the surface between the gate and the source that closes off the channel for the electrons to flow through the device. The amount of current that can be controlled by the applied gate voltage is determined by the device’s current rating.

Application Field

The high efficiency and low switching losses of the STGD19N40LZ make it well suited for applications where energy efficiency is paramount. It is commonly used in inverters, motor controls, and other power electronics applications. The device is also well suited for driving high power loads, such as lighting ballast and LED drivers, since its low on-state voltage drop ensures low power dissipation and minimal losses.

The STGD19N40LZ is also used in many industrial AC motor applications, such as industrial robots, variable speed drives, and AC servos. The device’s ability to handle high-switching frequencies makes it an ideal choice for these applications. The STGD19N40LZ is also used in applications that require very high power switching. The device’s high current rating and low on-state voltage drop enable it to handle high power loads with minimal losses.

In addition to its industrial applications, the STGD19N40LZ can also be used in automotive and communication systems. The device’s high efficiency and low switching losses make it well suited for these applications. The device is also used in motor control and power supply applications, due to its high current rating, low on-state voltage drop, and wide operating temperature range.

Conclusion

The STGD19N40LZ IGBT is a single transistor device that is used in various industrial applications. It is a voltage-controlled device with a breakdown voltage of 400V and a current rating of up to 19A. The device is well suited for applications where energy efficiency is paramount due to its high efficiency and low switching losses. It is also used in many AC motor applications, such as industrial robots, variable speed drives, and AC servos, as well as automotive and communication systems. The STGD19N40LZ is an ideal choice for these applications due to its high current rating, low on-state voltage drop, and wide operating temperature range.

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