Igbts are insulated gate bipolar transistors. IGBT stands for Insulated Gate Bipolar Transistor. IGBT is a compound fully controlled voltage-driven power semiconductor device composed of BJT bipolar triode and MOS insulated gate FET. IGBT is characterized by high voltage resistance, low on-off voltage, fast switching speed and small driving power.
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The saturation voltage of GTR is lower, the current carrying density is higher, but the driving current is larger. MOSFET drive power is small, the switching speed is fast, but the on-voltage drop is large, the current carrying density is small. IGBT combines the advantages of the above two devices, and the driving power is small and the saturation voltage is reduced. Very suitable for DC voltage 600V and above converter system such as AC motor, inverter, switching power supply, lighting circuit, traction drive and other fields.
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IGBT module is a modular semiconductor product composed of IGBT (insulated gate bipolar transistor chip) and FWD (continuous current diode chip) through a specific circuit bridge package. The packaged IGBT module is directly applied to inverter, UPS uninterruptible power supply and other equipment.
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IGBT module has the characteristics of energy saving, easy installation and maintenance, stable heat dissipation, etc. Currently on the market for the sale of such modular products, generally referred to as IGBT also refers to IGBT module; With the promotion of the concept of energy conservation and environmental protection, such products will be more and more common in the market;
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IGBT is the core device of energy conversion and transmission, commonly known as the \"CPU\" of power electronic devices. As a national strategic emerging industry, it is widely used in rail transit, smart grid, aerospace, electric vehicles and new energy equipment.
Functionally, IGBT is a circuit switch, the advantage is to use voltage control, low saturation voltage drop, high voltage resistance. Used in the voltage tens to hundreds of volts, current tens to hundreds of amperes of strong electricity.
And the IGBT doesn't use mechanical buttons; it's controlled by a computer.