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ON Semiconductor Corporation
Founded1999; 24 years ago (1999)
HeadquartersScottsdale, Arizona, U.S.
Area served
Key people
Alan Campbell
Hassane El-Khoury
(President & CEO)
Thad Trent
(Executive VP & CFO)
ProductsIntelligent power and sensing technologies
Power & signal management
Logic, discrete, & custom solutions
RevenueIncrease US$8.33 billion (2022)
Increase US$2.36 billion (2022)
Increase US$1.90 billion (2022)
Total assetsIncrease US$11.98 billion (2022)
Total equityIncrease US$6.21 billion (2022)
Number of employees
c. 31,000 (December 2022)
Footnotes / references

onsemi (stylized in lowercase; legally ON Semiconductor Corporation; formerly ON Semiconductor until August 5, 2021) is an American semiconductor supplier company, based in Phoenix, Arizona and ranked #483 on the 2022 Fortune 500 based on its 2021 sales.[2][3] Products include power and signal management, logic, discrete, and custom devices for automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power applications. onsemi runs a network of manufacturing facilities, sales offices and design centers in North America, Europe, and the Asia Pacific regions. Based on its 2016 revenues of $3.907 billion,[4] onsemi ranked among the worldwide top 20 semiconductor sales leaders.[5]


Logo used from 1999 until August 5, 2021.

onsemi was founded in 1999. The company was originally a spinoff of Motorola's Semiconductor Components Group. It continues to manufacture Motorola's discrete, standard analog, and standard logic devices.

In February 2022, it was announced that BelGaN Group BV had completed the acquisition of all shares of ON Semiconductor Belgium BV from the onsemi group.

Starting March 1, 2023, onsemi's headquarters moved to the new site in Scottsdale, AZ.


  • In April 2000, onsemi completed the acquisition of Cherry Semiconductor.
  • In 2003, onsemi acquired TESLA SEZAM (manufacturer of semiconductor chips) and TEROSIL (production of silicon) in the Czech Republic. Both of these companies were the successors of the former state-owned company TESLA.[6]
  • In May 2006, onsemi completed the acquisition of LSI Logic Gresham, Oregon Design & Manufacturing Facility.
  • In January 2008, onsemi completed the acquisition of the CPU Voltage and PC Thermal Monitoring Business from Analog Devices, Inc., for $184 million.
  • In March 2008, onsemi completed the acquisition of AMI Semiconductor for $915 million.[7]
  • On July 17, 2008, onsemi and Catalyst Semiconductor, Inc. announced the acquisition of Catalyst Semiconductor, Inc. by onsemi for $115 million.[8] On October 9, 2008, Catalyst Semiconductor, Inc. announced the approval of the acquisition.[9][10] On October 10, 2008, onsemi announced the completion of the acquisition.[11]
  • In November 2009, onsemi completed the acquisition of PulseCore for $17M.
  • In December 2009, onsemi announced the acquisition of California Micro Devices.[12]
  • In June 2010, onsemi completed the acquisition of Sound Design Technologies, Ltd., for $22 million.
  • In January 2011, onsemi completed the acquisition of SANYO Semiconductor.
  • In February 2011, onsemi completed the acquisition of the CMOS Image Sensor Business Unit from Cypress Semiconductor, for $31.4 million
  • In May 2014, onsemi completed the acquisition of Truesense Imaging, Inc.[13]
  • In June 2014, onsemi announced a $400 million deal to acquire California-based Aptina Imaging Corp.[14]
  • In July 2014, onsemi and Fujitsu Semiconductor announced Strategic Partnership (including foundry services agreement and the definitive agreement pursuant to which Onsemi will become a 10% shareholder of Fujitsu's 8-inch wafer fab in Aizuwakamatsu, Japan)[15]
  • In July 2015, onsemi completed the acquisition of Axsem AG.[16]
  • In November 2015, onsemi announced the acquisition of Fairchild Semiconductor.[17][18]
  • In August 2016, onsemi has entered into a definitive agreement with respect to the divestiture of the Ignition IGBT business to Littelfuse and has also entered into a separate definitive agreement with Littelfuse to sell its transient voltage suppression ("TVS") diode and switching thyristor product lines, for a combined $104 million in cash.[19]
  • In September 2016, onsemi completed the acquisition of Fairchild Semiconductor.[20]
  • In March 2017, onsemi announced that it would acquire and license mmWave technology for automotive radar applications developed by IBM's Haifa, Israel, research team. It included staff, equipment, research facilities and intellectual property.[21]
  • In May 2018, onsemi acquired Ireland-based company, SensL Technologies Ltd.[22]
  • In June 2019, onsemi acquired Quantenna Communications for about $1 billion.[23] In October 2021, Bloomberg News reported that onsemi was looking to sell off Quantenna's assets.[24]
  • In April 2019, onsemi to acquire GlobalFoundries 300mm Fabrication Facility in East Fishkill, New York.[25][26] In February 2023, it was announced the acquisition had been completed.[27]
  • In August 2021 onsemi to acquire GT Advanced Technologies.[28]


2 PNP silicon epitaxial transistors BCP53−16T1G (device marking AH-16)

onsemi manufactures products in the following areas:

  • Custom: ASICs; Custom Foundry Services; Custom ULP Memory; Custom CMOS Image Sensors; Integrated passive devices
  • Discrete: Bipolar Transistors; Diodes & Rectifiers; IGBTs & FETs; Thyristors
  • Power Management: AC/DC Controllers & Regulators; DC/DC Controllers, Converters, & Regulators; Drivers; Thermal Management; Voltage & Current Management
  • Logic: Clock Generation; Clock & Data Distribution; Memory; Microcontrollers; Standard Logic
  • Signal Management: Amplifiers & Comparators; Analog Switches; Audio/Video ASSP; Digital Potentiometers; EMI/RFI Filters; Interfaces; Optical, Image, & Touch Sensors

In 2013, the company introduced the industry's highest resolution optical image stabilization (OIS) integrated circuit (IC) for smartphone camera modules.[29]


The company has three segments:

  • Advanced Solutions Group (ASG)
  • Intelligent Sensing Group (ISG)
  • Power Solutions Group (PSG)[30]


There are several Solution Engineering Centers (SEC) and Design Centers around the world.[31]

Solution engineering centers[edit]

Design centers[edit]

Manufacturing facilities[edit]

Manufacturing facility in Carmona, Philippines


  • Canada: Burlington
  • United States: Mountain Top, Pennsylvania (200 mm); Gresham, Oregon (200 mm); Nampa, Idaho (200 mm, 300 mm); East Fishkill, New York (300 mm)
  • Czech Republic: Rožnov pod Radhoštěm (150 mm)
  • China: Leshan; Shenzhen; Suzhou
  • Japan: Gunma; Aizu-Wakamatsu (200 mm)
  • Malaysia: Senawang, Negeri Sembilan (2 Plants, 150 mm)
  • South Korea: Bucheon (150 mm, 200 mm)
  • Philippines: Carmona; Tarlac City; Cebu
  • Vietnam: Thuan An, Binh Duong; Bien Hoa, Dong Nai


  • United States: Pocatello, Idaho (200 mm); South Portland, Maine (200 mm)
  • Belgium: Oudenaarde (150 mm)
  • Japan: Niigata (125 mm, 150 mm)


  • United States: Phoenix, Arizona (150 mm, sold); Rochester, New York (150 mm, sold); East Greenwich, Rhode Island (150 mm, sold)
  • Japan: Aizu (150 mm)


  • In 2000, onsemi won the Forbes Advertising Excellence best in category Industrial Machinery/Electrical Components.
  • onsemi won the Hot 100 Electronic products of 2009 and 2012 by EDN magazine.[32]
  • In 2012, onsemi won the IR Magazine U.S. Awards in three fields, Best IR by a CEO or chairman for mid cap; No. 56 best company in the U.S. in terms of Investor Relations; No. 3 in Best Investor Relations in technology sector for mid/small cap companies.[33]
  • In 2012 the company won the "Large Company of the Year Award" from the IEEE.[34]
  • In 2016, 2017, 2018, 2019, 2020, 2021 and 2022, onsemi was named[35] in World’s Most Ethical Companies by Ethisphere Institute.

The company's subsidiary AMI Semiconductor (AMIS) has also won many awards, such as President's Award and Preferred Supplier from Rockwell Collins, Strategic Supplier Award from Emerson Rosemount, Inc., Outstanding Technical Support in New Product Development from Alliant Techsystems.[34]

See also[edit]


  1. ^ "US SEC: Form 10-K ON Semiconductor Corporation". U.S. Securities and Exchange Commission. February 6, 2023.
  2. ^ "ON Semiconductor Company Profile". Fortune. Retrieved 2022-05-27.
  3. ^ "ON Semiconductor". Fortune. Retrieved 2022-05-27.
  4. ^ 2016 Annual Report
  5. ^ "Five Top-20 Semiconductor Suppliers to Show Double-Digit Gains in 2016". IC Insights, Inc. Retrieved 2018-05-08.
  6. ^ "O společnosti" [About the company] (in Czech). ON Semiconductor. Retrieved 1 May 2017.
  7. ^ "On Semi to acquire AMI for $915 million - EE Times". eetimes.com. Retrieved 21 April 2017.
  8. ^ "ON Semiconductor to Acquire Catalyst Semiconductor, Inc. in an All-Stock Tran..." onsemi.com. Retrieved 21 April 2017.
  9. ^ "Catalyst Semiconductor Stockholders Approve Acquisition of Catalyst Semiconductor, Inc. by ON Semiconductor Corporation". businesswire.com. 2008-10-09. Retrieved 21 April 2017.
  10. ^ "US SEC FORM 8-K Commission File Number 0-21488". corporate-ir.net. Archived from the original on 4 January 2018. Retrieved 21 April 2017.
  11. ^ "ON Semiconductor Corporation Completes Acquisition of Catalyst Semiconductor,..." onsemi.com. Retrieved 21 April 2017.
  12. ^ By Shrutika Verma, Reuters. "UPDATE 2-ON Semi to buy California Micro Devices for $108 mln." December 14, 2009. March 18, 2016.
  13. ^ "ON Semiconductor Completes Acquisition of Truesense Imaging, Inc". onsemi.com. Retrieved 21 April 2017.
  14. ^ "ON Semiconductor buys Aptina Imaging for $400 million". azcentral.com. Retrieved 21 April 2017.
  15. ^ "安森美半导体的ASIC设计方法符合机载系统电子硬件的DO-254标准严格要求". onsemi.com. Retrieved 21 April 2017.
  16. ^ "AXSEM - RF ICs, RF Microcontrollers, LCD Drivers, RF Modules". axsem.com. Archived from the original on 7 August 2015. Retrieved 21 April 2017.
  17. ^ By everythingRF. “ON Semiconductor to Acquire Fairchild Semiconductor for $2.4 Billion.” November 19, 2015. Retrieved May 16, 2016.
  18. ^ By Sam Davis, Power Electronics. “Fairchild Semiconductor Moves ON.” November 30, 2015. Retrieved May 16, 2016.
  19. ^ "ON Semiconductor Announces Receipt of Regulatory Approval for Acquisition of ..." onsemi.com. Retrieved 21 April 2017.
  20. ^ EETimes. "ON Semi Deepens Power Stake with Fairchild Acquisition." Sept 21, 2016. Retrieved Jun 20, 2017.
  21. ^ "ON Semiconductor Expands Automotive Sensing Portfolio with Radar Technology". onsemi.com. Retrieved 2017-05-23.
  22. ^ "ON Semiconductor Acquires SensL Technologies Ltd., Leading Provider of SiPM, SPAD and LiDAR Sensing Products". onsemi.com. Retrieved 2018-05-09.
  23. ^ "ON Semiconductor Completes Acquisition of Quantenna Communications". businesswire.com. 2019-06-19. Retrieved 2020-01-13.
  24. ^ Baker, Liana (2021-10-22). "On Semiconductor Explores Sale of Quantenna Assets". Bloomberg News.
  25. ^ "ON Semiconductor and GLOBALFOUNDRIES Partner to Transfer Ownership of East Fishkill, NY 300mm Facility". Associated Press News. 2019-04-22. Retrieved 2019-04-22.
  26. ^ "Corporate History" (PDF).
  27. ^ "onsemi celebrates acquisition - News". Silicon Semiconductor. Retrieved 2023-02-16.
  28. ^ "ON Semiconductor (ON) Acquires GT Advanced Technologies for $415M". Streetinsider.com. 2021-08-25. Retrieved 2021-08-26.
  29. ^ "ON Semiconductor Introduces Advanced Optical Image Stabilization Solution for Smartphone Camera Modules". 2013-11-07.
  30. ^ "Corporate Fact Sheet" (PDF).
  31. ^ "onsemi locations in North America". www.onsemi.com.
  32. ^ "EDN Hot 100 products of 2012: Power and optoelectronics".
  33. ^ "IR Magazine US Awards 2012".
  34. ^ a b "About onsemi". www.onsemi.com.
  35. ^ "Honorees". Ethisphere® Institute | Good. Smart. Business. Profit.®. Retrieved 2019-05-20.

External links[edit]

  • Official website
  • Business data for On Semiconductor Corporation: