Darlington Pair Pnp. In electronics a multi transistor configuration called the darlington configuration commonly called a darlington pair is a compound structure of a particular design made by two bipolar transistors connected in such a way that the current amplified by the first transistor is amplified further by the second one. This transistor pair consists of two bipolar transistor pairs where one is npn and another is pnp.
On the left side it is npn darlington and on the other side it is pnp darlington. Cc by sa 3 0 by wikipedia user michael9422 a common darlington pair is the tip120 which is a great choice for the examples later in this guide. Sziklai transistor pair and its configuration.
The darlington pair can be treated as a form of transistor with the differences of the very much higher current gain and the higher base emitter voltage.
The sziklai pair looks similar to the darlington pair. Below figure shows a simple sensor circuit which gives an alarm with the functioning of darlington pair. And if the darlington pair consists of both npn transistors it makes npn darlington transistor. On the left side it is npn darlington and on the other side it is pnp darlington.
