Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Part 1.doc
Скачиваний:
54
Добавлен:
09.11.2018
Размер:
707.58 Кб
Скачать

Unit 2 : Transistors

Transistor characteristics

Task 1

Study this table from a suppliers' catalogue of transistor characteristics. What do these abbreviations mean? Compare your answers with your partner.

1 V 2 mA 3 mW 4 MHz 5 AF

Table 1

Small-signal low-frequency silicon transistors

Type no.

Price each

Case style

Mate-rial

VСE0

(max) V

VCB0

(max) V

VEB0

(max) V

lс(max) mA

PT0T

(max) mW

TyphFE

@lс

ТурТТ

(MHz)

Application

BC107B

20p

T018

NPN

45

50

6

100

300

290@2mA

300

AF driver (comp to BC177)

BC108C

20p

T018

NPN

20

30

5

100

300

520@2mA

300

General purpose (comp to BC178)

BC109C

20p

T018

NPN

20

30

5

100

300

520@2mA

300

Low noise, high gain amp (comp to BC179)

BC168C

14p

T092

NPN

20

30

5

100

300

650@2mA

85

General purpose

BC169C

14p

T092

NPN

20

30

5

50

300

650@2mA

150

High gain, low noise amp

BC183L

10p

T092

NPN

30

45

5

200

300

>125@2mA

150

General purpose (comp to BC213L)

BC184L

12p

T092

NPN

30

45

5

200

300

>125@2mA

150

Low noise, high gain amp(comptoBC214L)

BC212L

10p

T092

PNP

-50

-60

-5

200

300

>60@2mA

200

AF driver (comp to BC182L)

BC213L

10p

T092

PNP

-30

-45

-5

200

300

>80@2mA

200

General purpose (comp to BC183L)

BC214L

12p

T092

PNP

-30

-45

-5

200

300

>140@2mA

200

Low noise, high gain amp (comp to BC184L)

Reading Locating and applying information

Locating information about components quickly from a table and using that information to solve a practical problem are useful skills for technicians and engineers.

But first, let’s speak on terminology.

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]