STGB20NB32LZ

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STGB20NB32LZ is a high( rated ) voltage, low( on ) resistance (Fig.1) insulated gate bipolar transistor (IGBT) used for power conversion. IGBTs are a class of transistors that are both efficient and fast, making them suited for designing high-power switching applications in a wide variety of industries. This article will explain the specific field of application and the working principle of the STGB20NB32LZ IGBT.The STGB20NB32LZ IGBT is most commonly used in power conversion or “inverter” applications. Inverter applications require a very high voltage, on the order of hundreds of volts, and a very low on resistance, usually on the order of tens of milliohms. The STGB20NB32LZ IGBT is the ideal device for these applications, capable of achieving a drain-source voltage of 600V and a low on resistance down to 4.0mΩ.Fig.1 STGB20NB32LZ IGBTIn addition to its applications in power conversion, the STGB20NB32LZ IGBT can also be used in power distribution and motor control applications. The high voltage and low on resistance of the device make it well-suited for these applications, allowing for greater power transfer with less energy loss.The STGB20NB32LZ IGBT is a single IGBT, meaning it has one insulated gate and one bipolar transistor. This type of IGBT is typically used in lower power applications, with the ability to handle a maximum drain current of 20A. The single IGBT construction of the STGB20NB32LZ makes it ideal for use in low power applications like motor controls and power distribution, as well as high power switching applications like inverters.In terms of working principle, IGBTs are essentially “double” transistors. They combine the properties of both bipolar transistors and FETs (field effect transistors). Like a FET, the IGBT has an insulation layer between the gate and the channel, allowing for a higher input impedance and lower output impedance. Like a bipolar transistor, the IGBT uses a negative voltage on the gate to turn on the switch, allowing for higher frequencies and faster switching times.The STGB20NB32LZ IGBT specifically uses a negative gate voltage on the order of -5V to turn on the device. Once on, the IGBT will allow current to flow between the drain and the source, allowing for efficient power transfer.In summary, the STGB20NB32LZ IGBT is a single IGBT with a high voltage and low on resistance, making it ideal for use in applications like power conversion, power distribution, and motor control. The IGBT works on the principle of combining the properties of both bipolar transistors and FETs, allowing for higher input impedance and lower output impedance while also allowing for higher switching frequencies. This makes the STGB20NB32LZ IGBT an ideal device for any application where high power switching or high efficiency is required.

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