In the case of using IGBT modules, it is necessary to carefully consider which voltage and current specification IGBT modules to choose.
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1. HOW TO MEASURE THE QUALITY OF IGBT (1). First Determine The Polarity Before measuring whether the IGBT is good or bad, the polarity of the IGBT must be determined first.
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We hereby sincerely invite you and your company representatives to join Electronica China 2023 to visit our booth (7.2H E206) at NECC (Shanghai) from July 11 to 13, 2023.
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Clamping circuits are sometimes used in IGBT drive circuits. The main purpose is to protect IGBT devices and prevent operating parameters from exceeding the limit parameters of the collector or gate. Today we summarize the precautions for the design and use of Vce and Vge clamping circuits.
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IGBT (Insulated Gate Bipolar Transistor), an insulated gate bipolar transistor, is a composite fully-controlled voltage-driven power semiconductor device composed of BJT (bipolar transistor) and MOS (insulated gate field effect transistor), with both The advantages of both high input impedance of MOSFET and low turn-on voltage drop of GTR.
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he production process and technology of silicon carbide (SiC) devices have become increasingly mature, and the biggest obstacle to market promotion is cost. This includes the cost of R&D and production costs as well as the drive capacitor resistance in the entire circuit after the SiC device is replaced by the IGBT. Unless the manufacturer pushes, it does reduce costs and improve performance. After all, adopting new things will cost a lot. Affected by manufacturing costs and product yield, the main reason for hindering the large-scale entry of SiC products into the market is that it is expensive, generally about 10 times that of similar Si products. Although in the future, with the improvement of technology and cost, the replacement of IGBT by silicon carbide (SiC) device is inevitable silicon carbide (SiC) device, and its performance may be very powerful, but it can become a big trend not only in performance but also in cost and reliability. Multiple guarantees on reliability.
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