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transistor
Last modified: Wednesday, September 29, 2004 

A device composed of semiconductor material that amplifies a signal or opens or closes a circuit. Invented in 1947 at Bell Labs, transistors have become the key ingredient of all digital circuits, including computers. Today's microprocessors contains tens of millions of microscopic transistors.

Prior to the invention of transistors, digital circuits were composed of vacuum tubes, which had many disadvantages. They were much larger, required more energy, dissipated more heat, and were more prone to failures. It's safe to say that without the invention of transistors, computing as we know it today would not be possible.

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Sponsored listings

Digi-Key: Search for Transistors - Broad-line distributor web site features real-time stock status and pricing, online ordering, RFQ, technical support, product datasheets and photos.

Microsemi Corporation: Transistors - Offers darlington, dual, quad, and PNP complimentary transistors and arrays as well as other system-engineered semiconductor products.

GlobalSpec.com: Transistors - Provides database of suppliers for transistors. Includes catalogs, technical information, and supplier contact information.


For internet.com pages about transistor . Also check out the following links!

Related Links

Microprocessor Comparison Chart 
A cut-to-the-chase guide that compares and contrasts popular processing chips.

Mister Transistor
Hosted by a collector of transistors, this site offers historical information, collector information, an image gallery, and links to electronics and transistor related sites.

Yahoo!'s transistor manufacturers page
Yahoo!'s directory of transistor manufacturers.

Sponsored listings

Digi-Key: Agilent Technologies RF Transistors - Broad-line distributor web site features real-time stock status and pricing, online ordering, RFQ, technical support, product datasheets and photos.

Newark InOne: Discretes - View our online selection of discrete semiconductors. Chat online with product tech support and place your order online 24x7.

Hitachi: Insulated Gate Bipolar - Manufactures electronics, computer systems and products, semiconductors and industrial equipment, including insulated gate bipolars.

GlobalSpec.com: RF Transistors - Provides database of suppliers for RF Transistors. Browse catalogs and view technical information.

related categories

Integrated Circuits (ICs)

Microprocessors

related terms

capacitor

chip

diode

fab

fabless

inductor

integrated circuit

Moore's Law

MOSFET

nanotube

NMOS

rectifier

resistor

semiconductor

silicon

SOI

wafer


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