Article: Bipolar junction transistor

Fetched 2009-03-30 19:24

PNP
NPN
Schematic symbols for
PNP- and NPN-type
BJTs.



The symbol of a NPN Bipolar Junction Transistor.


The symbol of a PNP Bipolar Junction Transistor.



Structure and use of NPN transistor. Arrow according to schematic.


Structure and use of PNP transistor. Arrow according to schematic.



Fetched 2010-08-02 06:47


Structure and use of NPN transistor. Arrow according to schematic.


Structure and use of PNP transistor.