What is transistor?

Transistor

A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. It is composed of semiconductor material with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current flowing through another pair of terminals. Because the controlled (output) power can be higher than the controlling (input) power, a transistor can amplify a signal. Today, some transistors are packaged individually, but many more are found embedded in integrated circuits.

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Some articles on transistor:

Transistor - Construction - Packaging
... See also Semiconductor package and Chip carrier Discrete transistors are individually packaged transistors ... Transistors come in many different semiconductor packages (see image) ... Transistor packages are made of glass, metal, ceramic, or plastic ...
Sonotone 1010
... on 29 December 1952, was the first commercial product to use transistors, which had been invented five years earlier in 1947 ... miniature vacuum tubes as input stages and a single transistor as the output stage this was required because the transistors at the time produced too much electrical noise ... Even using one transistor considerably extended battery life, lowering the operating cost of the unit ...
Transistor Radio (song)
... "Transistor Radio" was a comic song written by Benny Hill and Mark Anthony (a pseudonym of producer Tony Hatch), and performed by Hill ... with his girlfriend are constantly thwarted by music played from the girl's transistor radio ... Transistor Radio" finished with the now-married couple alone in bed, with the expectant wife disappointed when her husband asks "Ere, where's the radio?" Released as a single in 1961, the song reached the #2 ...
Transistor Revolt
... Transistor Revolt is the eponymous self-released demo EP by the punk rock band Transistor Revolt before changing their name to Rise Against in 2000 ...
Multiple-emitter Transistor
... A multiple-emitter transistor is a specialized Bipolar transistor mostly used at input of TTL NAND logic gates ... driven by the Logical high voltage, thus performing an AND logical operation using a single transistor ... Multiple-emitter transistors replace diodes of DTL and allow reduction of switching time and power dissipation ...