Silicon Controlled Rectifier and Thyristor

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seat: Zhejiang
Validity to: Long-term effective
Last update: 2019-06-21 23:09
Browse the number: 283
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Thyristors can be divided into ordinary thyristors (SCR), bidirectional thyristors (TRIAC), reverse thyristors (RCT), gate-off thyristors (GTO), BTG thyristors, temperature-controlled thyristors (TT abroad, TTS domestic) and light-controlled thyristors (LTT) according to their turn-on, turn-on and control modes.

Thyristors can be divided into three types according to their pins and polarities: bipolar thyristors, tripolar thyristors and quadrupole thyristors.

Thyristors can be divided into metal encapsulated thyristors, plastic encapsulated thyristors and ceramic encapsulated thyristors according to their encapsulation forms. Among them, metal-encapsulated thyristors are divided into bolt-shaped, flat-shaped, round shell-shaped and other types; plastic-encapsulated thyristors are divided into two types: with and without radiators.

According to current capacity, thyristors can be divided into three types: high-power thyristors, medium-power thyristors and low-power thyristors. Usually, high power thyristors are encapsulated in ceramic, while medium and low power thyristors are encapsulated in plastic or metal.

Thyristors can be divided into ordinary thyristors and fast thyristors according to their switching speed. Fast thyristors include all thyristors specially designed for fast applications. There are conventional fast thyristors and high frequency thyristors working at higher frequencies. They can be used in choppers or inverters above 400HZ and 10KHZ respectively. (Note: High frequency cannot be equated with fast thyristor)


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