13+ Schematic Symbol Of Npn Transistor Background. A bipolar junction transistor (bjt) is a type of transistor that uses both electrons and electron holes as charge carriers. We also learnt that the junctions of the bipolar transistor can be biased in one.
All circuit symbols are in standard format and can be used for drawing schematic circuit diagram and layout.
Since a pnp transistor works more or less the opposite of an npn, it can be used where negative voltages are involved. The symbol of the npn transistor is as shown in the below figure. Bjts npn and pnp schematic symbols. The crystal structure and schematic symbol of the npn transistor are shown in the above figure.