What is IGBT (Insulated Gate Bipolar Transistor)?

Definition

A high-power semiconductor switch used in drives and inverters to convert DC bus voltage to variable-frequency AC output. IGBT failures are one of the most common reasons for drive repair in industrial settings.

Related Terms

Gate Driver

A circuit that amplifies control signals to switch power semiconductors (IGBTs, ...

Inverter

The output stage of a drive that converts DC bus voltage into variable-frequency...

MOSFET

Metal-Oxide-Semiconductor Field-Effect Transistor — a voltage-controlled power s...

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