Zetex Semiconductors
Encyclopedia
Zetex Semiconductors plc is a UK-based manufacturer of discrete semiconductor
devices such as diode
s and transistor
s.
Semiconductor, Zetex took its name from Ferranti's ZTX series of bipolar transistors. It was sold to Plessey
in 1988, then bought out by management in 1989 to become Zetex plc. At this point it owned two manufacturing sites in Oldham
: Gem Mill and Lansdowne Road. It then became a subsidiary of Telemetrix plc, until in 2004 it changed its name to Zetex Semiconductors plc. In 2008 it was acquired by Dallas-based Diodes Incorporated
.
London Stock Exchange
symbol: ZTX
Discrete device
A discrete device is an electronic component with just one circuit element, either passive...
devices such as diode
Diode
In electronics, a diode is a type of two-terminal electronic component with a nonlinear current–voltage characteristic. A semiconductor diode, the most common type today, is a crystalline piece of semiconductor material connected to two electrical terminals...
s and transistor
Transistor
A transistor is a semiconductor device used to amplify and switch electronic signals and power. It is composed of a 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...
s.
Corporate history
Originally a subsidiary of FerrantiFerranti
Ferranti or Ferranti International plc was a UK electrical engineering and equipment firm that operated for over a century from 1885 until it went bankrupt in 1993. Known primarily for defence electronics, the Company was once a constituent of the FTSE 100 Index but ceased trading in 1993.The...
Semiconductor, Zetex took its name from Ferranti's ZTX series of bipolar transistors. It was sold to Plessey
Plessey
The Plessey Company plc was a British-based international electronics, defence and telecommunications company. It originated in 1917, growing and diversifying into electronics. It expanded after the second world war by acquisition of companies and formed overseas companies...
in 1988, then bought out by management in 1989 to become Zetex plc. At this point it owned two manufacturing sites in Oldham
Oldham
Oldham is a large town in Greater Manchester, England. It lies amid the Pennines on elevated ground between the rivers Irk and Medlock, south-southeast of Rochdale, and northeast of the city of Manchester...
: Gem Mill and Lansdowne Road. It then became a subsidiary of Telemetrix plc, until in 2004 it changed its name to Zetex Semiconductors plc. In 2008 it was acquired by Dallas-based Diodes Incorporated
Diodes Incorporated
Diodes Incorporated is a global manufacturer and supplier of application-specific standard products within the broad discrete, logic, and analog semiconductor markets...
.
London Stock Exchange
London Stock Exchange
The London Stock Exchange is a stock exchange located in the City of London within the United Kingdom. , the Exchange had a market capitalisation of US$3.7495 trillion, making it the fourth-largest stock exchange in the world by this measurement...
symbol: ZTX