Small encyclopedia: silicon controlled rectifier module a close relationship with the bipolar transistor

by:Positioning     2021-01-18
Everyone knows thyristor module has close relationship with bipolar transistor, thyristor module USES the diversity of let a person see the dazzling, even hard to believe, why such outstanding performance thyristor module? The following, we first introduce thyristor module again to get to know its close relationship with bipolar transistor: let's take a look at the professional introduction of thyristor module, thyristor module at the time of discovery and preparation, has experienced a very long time, when it become more mature, more USES thyristor module are also have been excavated. As it endless potential, under the condition of the pressure and power co-exist, broke out. Next, still have more findings about thyristor module. Thyristor module and bipolar transistor close relationship: the conduction process involving electrons and holes, but the switch of SCR module mechanism is quite different from bipolar transistors, and because the device structure is different, thyristor device has a wide range of current and voltage control. Bipolar transistor consists of two back-to-back PN structure into a transistor with current amplification effect. Originated from the point contact transistor invented in 1948, the early 50 s development into a junction transistor is now call bipolar transistor. Bipolar transistor has two kinds of basic structures: PNP and NPN. Among the three layers of semiconductor, a layer of said base area, the outer two layers respectively according to the launch pad and collector area. When base area into a small amount of current, between the emitter and collector area will form a larger current, this is the transistor amplification effect. Through this introduction we clearly understand that the size of the controlled quickly and bipolar transistor the close relationship between them.
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