
- •Part 1 Unit 1: Computers
- •Vocabulary
- •Exercises
- •Word study
- •Vocabulary
- •Exercises
- •Unit 2: New Technologies
- •Vocabulary
- •Exercises
- •Unit 1: Electronics. Electronic diagrams
- •Unit 2 : Transistors
- •Vceo and Vces
- •Part 3 Unit 1: Controllers
- •256 I/o points
- •750Kbps
- •Unit 2: Sensors
- •2. Psychrometrics & moisture
- •3. Humidity Sensor hih-3610 Series
- •Literature
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.