What is IGBT?
Insulated-gate bipolar transistor. Driven by a MOS gate, it achieves a low on-state voltage even at high voltage ratings through conductivity modulation.
Field: Power semiconductors
IGBT in the explanations
An IGBT combines a MOSFET input with a bipolar output, adding a p+ layer on the drain side of a MOSFET-like structure.
Which correctly describes an IGBT?An IGBT lowers drift resistance by injecting minority carriers (holes) when on, so at turn-off current continues until they recombine or are swept out—the tail current.
At IGBT turn-off, what is the phenomenon called in which th…The IGBT combines both, driving a bipolar structure through a MOS gate.
Which correctly describes the difference in how bipolar tra…
Questions that mention IGBT (5)
- Which correctly describes an IGBT?
- At IGBT turn-off, what is the phenomenon called in which the current does not drop to zero immediately but trails off because of stored minority carriers?
- Which correctly describes the difference in how bipolar transistors and MOSFETs are controlled?
- Which metric indicates how long a power device can withstand a short circuit, such as both upper and lower switches of an inverter turning on at once, without being destroyed?
- Which is a characteristic of laser annealing?
Related terms
Tail current Conductivity modulation Short-circuit withstand time SiC (silicon carbide) Annealing Body diode DC-DC converter Dead time Gate driver Normally-off