File Name: difference between npn and pnp transistor .zip
One of the major difference between the NPN and PNP transistor is that in the NPN transistor the current flow between collector to emitter when the positive supply is given to the base, whereas in PNP transistor the charge carrier flows from the emitter to collector when negative supply is given to the base.
- Differences between NPN & PNP Transistors and their Making
- Pnp transistor image
- NPN vs. PNP: What's the Difference?
Both p-n- p and the n- p-n transistors are the basic transistors which come under the category of bipolar junction transistors. These are used in the various amplifications circuits and the modulating circuits. NPN and PNP transistors are bipolar junction transistors, and it is a basic electrical and electronic component which is used to build many electrical and electronic projects.
Differences between NPN & PNP Transistors and their Making
BJTs are made of doped materials and allow current amplification. NPN transistor is powered on when enough current is supplied from the transistor base to the emitter. Thus, the NPN transistor base has to be connected to a positive voltage and the emitter connected to negative voltage for current to flow into the base. When enough current is flowing from the base into the emitter, the transistor switches on directing current flow from collector to the emitter instead of the transistor base to the emitter. The PNP transistor works in the opposite.
Pnp transistor image
As example, the amplifier PNP silicon bipolar transistor BC can work with collector currents up to mA maximum ratings and up to 45V.. In some applications this transistor can be used as switch for higher currents, e. Digital Transistor PNP. Darlington PNP Transistors. Is this transistor in a TO3 case? See more ideas about Transistors, Electronics components, Bipolar junction transistor.
These transistors can be used as amplifiers, switches and oscillators. Except, FETs have only one sort of charge carrier. In NPN transistor, the flow of current runs from the collector terminal to the emitter terminal. A PNP transistor switches ON, when there is no flow of current at the base terminal of the transistor. In PNP transistor, the flow of current runs from the emitter terminal to the collector terminal. In this kind of transistor, the majority charge carriers are holes.
NPN vs. PNP: What's the Difference?
The arrangement of the three terminals affects the current and the amplification of the transistor. The behavior of Bipolar junction transistors is also very different for each circuit configuration. The three different circuit configurations produce different circuit characteristics with regards to input impedance, output impedance and gain. These characteristics affect whether the transistor exhibits voltage gain, current gain or power gain.
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