Industry Trends

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What should I pay attention to using the IGBT driver?

Updated: 2022-03-17
Views: 9916

What should I pay attention to using the IGBT driver? In recent years, IGBT's new power switching device has gradually been recognized by people. Compared with previous electrical electronic devices, IGBT's current comprehensive performance advantages are obvious, and more and more use of various power conversion devic……

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How to judge the quality of the IGBT drive board?

Updated: 2022-03-17
Views: 9180

How to judge the quality of the IGBT drive board? The detection of the driver board is usually the drive board and the motherboard and the main circuit, that is, the driver IC is powered by the power supply, of course, the drive circuit can be repaired separately; the quality of the drive board can be detected without ……

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Which of the diodes, triode and field effect pipes cause permanent damage after breakdown?

Updated: 2022-03-17
Views: 9796

Which of the diodes, triode and field effect pipes cause permanent damage after breakdown? The breakdown of PN knots can be divided into avalanche breakdown, tunnel breakdown and thermal piercing. The first two generally have no destructiveness. If the reverse voltage decreases immediately, the performance of the PN kn……

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What are the characteristics of patch LED?

Updated: 2022-03-17
Views: 9613

What are the characteristics of patch LED? Patch LEDs are mainly used in lighting systems, decoration, electronic devices indicators, backlight, display and instruments and other fields. So what are the characteristics of patch LED? (1) The principle of luminous light belongs to the cold hair, instead of heating or dis……

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Precautions for Patch LED

Updated: 2022-03-17
Views: 9192

Patch LED's precautions Patch LED, also called patch -type LED, is a simple light. Its light emitting principle is that the current is over -the -LE semiconductor, and excess energy will be released through the combination of electron and holes in the form of light to achieve the lighting effect. 1. Clean, do not use u……

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What are the applications in the principle of diode?

Updated: 2022-03-17
Views: 10338

What are the applications in the principle of diode? As we all know, the diode has the characteristics of unidirectional dynamics and can be applied to these fields: 1. Rectifiers and rectifier diode are mainly used for rectifier circuits, that is, converting AC power to DC, the pulsating rectifier diode Its operating ……

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Principles and introduction of diode

Updated: 2022-03-17
Views: 9317

The principle of diode and introduction of the principle of diodes is that when the forward voltage bias is generated, the external electrical field and the self -built electric field are mutually suppressing and eliminated, increasing the diffusion current of the carrier, causing positive current, thereby conducting e……

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The use of diode

Updated: 2022-03-17
Views: 9343

The use of diode is used in parallel and half of the two -pole two diodes of each two -pole circuit, each of which is connected by one -third of the total current of the circuit. In short, there are several diode parallel, "the current flowing through each diode is equal to one -third of the total current. However It w……

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The application scope of the LED light -emitting diode

Updated: 2022-03-17
Views: 8339

The indicator light of electronic products. 1. As long as the circuit is connected to 220V/50Hz AC power cord, the LED will light up, indicating that the power supply is connected. The resistance value of the current limit resistance R is 220V/if. 2. AC switch indicator Lights incandescent lamp switch indicator light c……

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What is the diodes of the patch?

Updated: 2022-03-17
Views: 9316

What is the diodes of the patch? It is an electronic device with one -way conduction current. There is a PN knot and two lead terminals in the semiconductor diode. This electronic device is converted in one -way current according to the direction of applying voltage. Generally speaking, the diode of the patch is a P-N ……

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Working principle of field effect tube

Updated: 2022-03-17
Views: 9702

The working principle of the field effect tube field effect tube is a field effect transistor. A small number of thermal conductors of the carrier are also called multi -polar crystalline tube. It belongs to the pressure control semi -ultra -conductor parts. It has the advantages of high output resistance (10^8 ~ 10^9Ω……

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Is there any difference between field effect tube and MOS tube?

Updated: 2022-03-17
Views: 9551

Is there any difference between field effect tube and MOS tube? The field effect tube is generally divided into MOS field effect tube and knot field effect tube. At present, the MOS field effect tube is mainly used, commonly known as MOS tube. MOS is the abbreviation of metal-oxide-semiconductor, that is, grid-silicon-……

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