Industry Trends

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What are the commonly used IGBT buffer circuits?

Updated: 2022-03-17
Views: 8298

What are the commonly used IGBT buffer circuits? Because the electrical electronic devices have four working status: ON, ON, Turbus, and OFF, the OFF and ON status are supported by high voltage and large current respectively. Streaming, excessive DI/DT, DU/DT and excessive instantaneous power. Therefore, in order to pr……

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How to use a multimeter to detect thyroid control

Updated: 2022-03-17
Views: 8623

How to use a multimeter to detect thyristor with thyristor of thyristor, one -way thyristor and two -way thyristor, all have three electrodes. One -way thyristor rectifier has cathode (K), anode (A), control pole (G). Two -way thyristor is equivalent to two single -thyroid reverse parallel parallel. That is, one unidir……

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Semiconductor triode parameter symbol and meaning

Updated: 2022-03-17
Views: 7364

The semiconductor triode parameter symbol and its significance If the total current seductive coefficient β \\u003d IC/IB \\u003d 100 is emitted, the collector current IC \\u003d β*IB \\u003d 10mA. When the collector load resistance is 500Ω, the voltage drops VRC \\u003d 10mA*500Ω \\u003d 5V, and the voltage drop betwe……

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Precautions for Module Selection-Direction angle requirements

Updated: 2022-03-17
Views: 7941

Precautions for module selection-Direction angle requires that the module outputs a large current when the module (that is, the module high input voltage, low output voltage) output, which will cause the module to be severely heated or even burned. This is because the current value measured with a normal instrument und……

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Three main reasons for threading threaded

Updated: 2022-03-17
Views: 8568

Three main reasons for thyristor breakdown 1. Overdrawing: Over -crushing breakdown is one of the main reasons for thyristor breakdown. The thyristor has almost no time to withstand the voltage, even if the voltage is performed within a few milliseconds. Therefore, in the actual application circuit, the ends of the sil……

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Module protection-overheating protection

Updated: 2022-03-17
Views: 7396

Module protection-overheating protection heat dissipation is an important factor that affects whether the module can work safely. Good heat dissipation conditions can not only ensure the reliable operation of the module, prevent the module from overheating, and improve the current output capacity of the module. In the ……

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Publish heavy! Lichuang EDA professional version full offline client!

Updated: 2022-03-17
Views: 8328

I believe at this moment, you and I have been waiting for too long. After several versions of public beta, you finally released the official version of the professional version of the client! Of course, it is still "free"! Lichuang EDA will implement the free domestic PCB design tools to the end, and determines to prov……

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Module protection-over-pressure protection

Updated: 2022-03-17
Views: 7466

Module protection-overvoltage protection of the transmission of the crystal tube is extremely poor. When the reverse voltage of the component exceeds its reverse breakdown voltage, even if the time is short, the component will be damaged by reverse breakdown. If the DC voltage exceeds the positive direction voltage of ……

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The technical solution of constant current constant pressure uses the crystal tube control module

Updated: 2022-03-17
Views: 8096

Testing is more convenient. The following is a common problem for the first time, which may be inspired by you. The module has no current or voltage output when regulating a given signal, but the given signal and the 12V power supply applied are normal. Processing: You need to reset the module. When the constant voltag……

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The characteristics and application of the constant voltage pressure module of the constant current gates

Updated: 2022-03-17
Views: 7529

The characteristics and application of the constant voltage pressure module of the constant current gates 1. Introduction In modern industrial production, the crystal tube has been widely used due to its mature technology, large current, and high voltage. In the automatic control system composed of a crystal tube, many……

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Key insulating material of the power module

Updated: 2022-03-17
Views: 7520

In the development of power semiconductor modules, with the improvement of integration and the reduction of volume, the power consumption per unit heat dissipation area increases, and heat dissipation becomes the key problem in module manufacturing. However, the traditional module structure (welding and crimping) has b……

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Crystal tube module series product answers

Updated: 2022-03-17
Views: 7759

What is the difference between the regulation function of the AC module and the transformer? The transformer can isolate the load from the power grid to the equal amount of the equal amount of transmission according to the set variable ratio; the AC module is not isolated from the grid, and only the power grid voltage ……

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