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СОДЕРЖАНИЕ

Предисловие .......................................................................................................... 3

Список обозначений ............................................................................................. 5

Глава 1, Основные сведения о тиристоре....................................................... Ю

1.1. Введение ................................................................................................. Ю

1.2. Характеристики тиристора ................................................................... 10

1.2.1 Характеристики по напряжению................................................ 11

1.2.2. Характеристики потоку............................................................... 12

1.2.3. Включение и выключение............................................................. 12

1.2.4. Тепловые характеристики ........................................................... 14

1.3. Конструкция тиристора......................................................................... 14

1.4. Типы тиристоров и их применение....................................................... 17

1.4.1. Применение.................................................................................. 17

1.4.2. Типы тиристоров.......................................................................... 18

1.5. Выбор тиристора ................................................................................... 20

1.5.1. Параметры по напряжению................................................... 20

1.5.2. Параметры по току...................................................................... 21

Глава 2. Принцип действия тиристора........................................................... 23

2.1. Введение ........................,........................................................................ 23

2.2. Тиристор в закрытом состоянии........................................................... 23

2.2-1. Обратное закрытое состояние.................................................... 23

2-2.2. Прямое закрытое состояние........................................................ 26

2-2-3. Шунтирование катодного эмиттера..................S........................ 29

2.2.4. Поверхностные эффекты............................................................. 32

2.2.5. Механизмы повреждения............................................................ 39

2.3. Характеристики включения .................................................................. 40

2.3.1. Время задержки........................................................................... 41

2,3-2. Этап нарастания тока.................................................................. 42

2.3.3. Распространение плазмы............................................................ 44

2.3.4. Л/Л-стойкость ............................................................................ 47

2.4. Открытое состояние............................................................................... 48

2.4.1. р - i - п-диод ............................................................................ 49

2.4.2. Модели тиристора в открытом состоянии................................... 52

2.5. Выключение............................................................................................ 7

Глава 3. Проектирование тиристоров............................................................. 6

3.1. Выбор полупроводникового материала ............................................... 61

3.2. Время жизни неосновных носителей заряда......................................... 64

3.3. Конструирование структуры ................................................................ 66

3,3-1. р-база (Р2) ..................................,............................................... 66