AOK20B135D1 Discrete Semiconductor Products

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An IGBT is a type of transistor that combines the characteristics of a MOSFET and a bipolar junction transistor. The AOK20B135D1 is an IGBT module specifically designed for applications in switched mode power supplies, motor drives, welding machines and other industrial applications. This article will discuss the application field of the AOK20B135D1 IGBT module and its basic working principle.

Application Field

The AOK20B135D1 is a high power integrated circuit module specifically designed and optimized for motor drive applications in switched mode power supplies, welding machines and other industrial applications. The IGBT module features high current and voltage capability, low on-state voltage drop, high thermal stability and surge capability. This module is designed for applications that require high switching frequencies, high power densities and high efficiency. Applications for this module include motor drives, welding machines, industrial electronics, AC/DC power supplies, industrial machinery, HVAC/R equipment and other industrial applications.

Working Principle

The basic working principle of the AOK20B135D1 IGBT module is similar to that of a conventional bipolar junction transistor. It consists of two insulated gate regions, an N+ region and the P+ region, separated by an active substrate layer. When a voltage is applied to the gate of the IGBT, the electrons in the N+ region will be forced to move to the P+ region, creating a conductive channel. This channel allows current to flow through the IGBT, and thus the P+ region becomes the collector and the N+ region is the emitter. The conducting current through the IGBT will cause a voltage drop across the device, and this voltage drop will determine the power dissipation of the IGBT when it is operating at maximum power.

The IGBT module also has an internal protection circuit that prevents inadvertent turn on of the device by ensuring that the gate voltage is within a certain range prior to turn on. This protection circuit also helps minimize power losses when the device is turned on. In addition, the IGBT module features a built-in heat sink that helps dissipate heat generated by the device during operation.

The AOK20B135D1 IGBT module is an ideal choice for applications that require high power density and efficiency. Its low on-state voltage drop, high thermal stability, high surge capability and high frequency operation make it an ideal choice for applications in switched mode power supplies, motor drives, welding machines and other industrial applications.

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