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A MOSFET gate driving a bipolar transistor's collector and emitter.
Also known as: Insulated-gate bipolar transistor, IGBT, Hybrid transistor symbol
The IGBT symbol is a visual hybrid because the device is one: a MOSFET gate driving a bipolar output stage. That combination gives the easy voltage-driven gate of a MOSFET with the low conduction loss of a bipolar at high voltage, which is why it dominates motor drives and inverters.
Denotes an insulated-gate bipolar transistor: a voltage-controlled gate driving a bipolar conduction path.
Contexts: Electrical equipment
Combines a MOSFET's gate structure with a bipolar output, which the symbol shows by joining the two devices' drawn elements.
Contexts: Electrical equipment
Dominates high-power switching — motor drives, inverters, traction — where its conduction loss beats a MOSFET's at high voltage.
Contexts: Electrical equipment
A vertical gate line separated by a gap from a channel line, with the output leads drawn as a bipolar transistor's collector and an emitter carrying an arrowhead.