elec Flashcards
1
Q
How many layers of a semiconductor material are required to make a transistor?
A
3 layers
2
Q
What are 2 major types of transistors?
A
NPN, PNP
3
Q
Why is silicon used more often than germanium in the production of transistors?
A
Its ability to withstand heat (Thermal runaway)
4
Q
what is the most common system used in the identification of transistor?
A
2nd registry
5
Q
PNP and NPN are
A
current activated
6
Q
when a transistor is in a standard TO5 package, which lead is located closest to the metal tab on the case of the transistor?
A
Emitter
7
Q
When a transistor is in a standard TO3 case, which lead is connected to the case of the transistor?
A
collector
8
Q
What control the amount of current flow through the collector-emitter section of a transistor?
A
Base current (IB)
