An IGBT, or insulated gate bipolar transistor, is a solid state device (with no moving parts). It is a switch that is used in order to allow power flow in the On state and to stop power flow when it is in the Off state. An IGBT works by applying voltage to a semiconductor component, therefore changing its properties to block or create an electrical path. IGBT are available at our website. We offers quality supplier,quality products,product documents.
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1. See if the suppliers are verified and how long they have been in hqew.net, we will check if the supplier and their products are high-quality again every year. And we will give them a note in their shop. Don’t hesitate to consult us if you have any questions.
2. Look at the print. Most of the chips are printed by laser or printed by special chip printer. The handwriting is clear, not obscure and hard to erase.
3. Look at the pins. All bright and new tin pins must be refurbished. Most of the pins of IC should be the silver powder feet, which is dark but uniform.
4. See if there is any trace on the surface of the chip.
5. Measure the thickness of the device and look at the edge of the device.
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