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Vishay Intertechnology, Inc. is an American manufacturer of discrete semiconductors and passive electronic components founded by Polish-born businessman Felix Zandman.Vishay has manufacturing plants in Israel, Asia, Europe, and the Americas where it produces rectifiers, diodes, MOSFETs, optoelectronics, selected integrated circuits, resistors, capacitors, and inductors.
In 1970, SGS created its first assembly back-end [clarification needed] plant in Singapore, in the area of Toa Payoh. Then in 1981, SGS decided to build a wafer fab in Singapore. Converted up to 200 mm (8 in) fab, this is now an important 200 mm (8 in) wafer fab of the group. Ang Mo Kio also hosts some design centres. [28]
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Siliconix was incorporated on March 5, 1962, by husband and wife Frances and Bill Hugle and Richard Lee. [5] [6] The Hugles were well known in the semiconductor industry for the works of their previous companies that specialized in optical encoding and circuit production, [7] including at the Baldwin Piano Company of Cincinnati, Ohio. [8]
The company engineers and manufactures sensors, power modules, resistors, magnetics, semiconductors, connectors and optoelectronics for the industrial, aerospace and defence, medical and transportation markets. [11]
The building at 844 East Charleston Road, Palo Alto, California, where the first commercially practical integrated circuit was invented. In 1955, William Shockley founded Shockley Semiconductor Laboratory, funded by Beckman Instruments in Mountain View, California; [6] his plan was to develop a new type of "4-layer diode" that would work faster and have more uses than then-current transistors.
These devices are widely used and recommended for general-purpose power-frequency rectifier use. [11] [12] They are commonly used as rectifiers in AC adapters of electrical appliances to convert AC to DC, [13] and are also used in other types of power converters, [2] or as freewheeling diodes to protect circuits from inductive loads.
TVS diode as array. A transient-voltage-suppression diode may be either unidirectional or bidirectional. A unidirectional device operates as a rectifier in the forward direction like any other avalanche diode, but is made and tested to handle very large peak currents.