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Title: introduction to thyristor chara
Description: thyristor chara introduction

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A thyristor is a solid-state semiconductor device with four layers of alternating N and Ptype material
...
A three-lead thyristor is designed to control the larger
current of its two leads by combining that current with the smaller current of its other
lead, known as its control lead
...

Some sources define silicon-controlled rectifier (SCR) and thyristor as synonymous
...

The first thyristor devices were released commercially in 1956
...
Thyristors may
be used in power-switching circuits, relay-replacement circuits, inverter circuits,
oscillator circuits, level-detector circuits, chopper circuits, light-dimming circuits, lowcost timer circuits, logic circuits, speed-control circuits, phase-control circuits, etc
...
The latter is known as a gate turn-off thyristor, or GTO
thyristor
...
In other words, a
thyristor can only be fully on or off, while a transistor can lie in between on and off
states
...


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Title: introduction to thyristor chara
Description: thyristor chara introduction