![]() Here two external sources are connected with pnp transistor. Why is the current direction in pnp transitor from an emitter to base?Īs per above diagram you saw current is flowing from emitter to base. Here current flows from emitter to base region. As we see in npn transistor symbol here only change in direction of the emitter-base current. Pnp transistor symbol is shown in the figure. The base region is an n-type semiconductor in which majority charge carrier is electrons. Here emitter and collector is p-type semiconductor so they contain majority charge carrier as holes. middle region base has a narrow layer or smallest width. Here you can see every region have the different width. ![]() This transistor has mainly three regions. This type of transistor fig you can see below. ![]() Pnp transistor is made by two p type semiconductor and one n type semiconductor. A device which formed by two p-type semiconductors separated by an n-type semiconductor. ![]()
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