# Intersil

> American company

**Wikidata**: [Q1065090](https://www.wikidata.org/wiki/Q1065090)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Intersil)  
**Source**: https://4ort.xyz/entity/intersil

## Summary
Intersil was an American semiconductor company that designed and manufactured high-performance analog and mixed-signal integrated circuits. It operated from 1967 until its acquisition in 2017, during which it became known for its power management and precision analog components used in a wide range of electronic systems.

## Key Facts
-   Intersil was founded in 1967 by Jean Hoerni.
-   The company was headquartered in Milpitas, California, United States, at 1001 Murphy Ranch Road (ZIP: 95035).
-   It was listed on the Nasdaq stock exchange under the ticker symbol ISIL.
-   Intersil Corporation had approximately 1,100 employees before its dissolution.
-   The company was classified as a public company and later became a subsidiary.
-   Its primary products included semiconductors used in consumer electronics, industrial systems, and automotive applications.
-   Intersil was dissolved in 2017 following its acquisition by Renesas Electronics Corporation.
-   It maintained a global presence with Wikipedia entries in multiple languages including German, French, Japanese, Russian, and Chinese.
-   The company's legal entity identifier was K52PT26E827FWF64UJ81.
-   It held several technical identifiers such as USB Vendor ID: 09AA, PCI Vendor ID: 1260, and PNP Vendor ID: LSD.
-   Intersil was registered with organizations like GRID (grid.471119.b), Ringgold (41493), and Crunchbase (intersil).
-   It was also registered with Microsoft Academic ID (discontinued): 106903285.
-   The company's logo is available via Wikimedia Commons.
-   Intersil was recognized by ISIN code US46069S1096 and ISNI 0000000405911110.
-   It was involved in the production of semiconductor devices and related technologies.

## FAQs

**What is Intersil known for?**  
Intersil was known for designing and manufacturing high-performance analog and mixed-signal integrated circuits. These components were widely used in power management, data conversion, and interface connectivity across various industries.

**When was Intersil founded, and who founded it?**  
Intersil was founded in 1967 by Jean Hoerni, a Swiss-American physicist and semiconductor pioneer. Some sources also list the company's inception as 1999, likely referring to a corporate restructuring or rebranding event.

**Where was Intersil headquartered?**  
Intersil was headquartered in Milpitas, California, United States, with geographic coordinates at latitude 37.4154 and longitude -121.923.

**What happened to Intersil?**  
Intersil was acquired by Renesas Electronics Corporation and ceased to exist as an independent entity in 2017. Its operations and technologies were integrated into Renesas' portfolio.

**On which stock exchange was Intersil listed?**  
Intersil was listed on the Nasdaq stock exchange under the ticker symbol ISIL.

**How many people worked for Intersil?**  
Prior to its acquisition, Intersil employed approximately 1,100 people globally.

**What kind of products did Intersil produce?**  
Intersil produced semiconductors, including power management ICs, data converters, amplifiers, and interface controllers, used in consumer, industrial, and automotive electronics.

**What identifiers were associated with Intersil?**  
Intersil had several technical identifiers including:
-   USB Vendor ID: 09AA
-   PCI Vendor ID: 1260
-   PNP Vendor ID: LSD
-   ISIN: US46069S1096
-   ISNI: 0000000405911110
-   Legal Entity Identifier: K52PT26E827FWF64UJ81

**What is Intersil's relationship to other companies or organizations?**  
Intersil was acquired by Renesas Electronics in 2017 and ceased independent operations. It was part of the broader semiconductor industry ecosystem and collaborated with OEMs and design houses globally.

**What distinguishes Intersil from other semiconductor companies?**  
Intersil was known for its high-efficiency power management solutions and precision analog components. It also had a strong presence in both consumer and industrial markets, with a legacy of innovation in mixed-signal design.

## Why It Matters
Intersil played a critical role in the semiconductor industry by providing essential analog and mixed-signal components that powered a wide range of electronic systems. Its products were integral to power efficiency and signal integrity in applications from mobile devices to automotive systems. The company's innovations contributed to the advancement of power management technologies, which are essential in modern electronics. Its acquisition by Renesas Electronics further consolidated expertise in semiconductor design, enhancing the capabilities of both legacy firms.

## Notable For
-   Pioneering high-efficiency power management and precision analog technologies.
-   Being acquired by Renesas Electronics in 2017, marking a significant consolidation in the semiconductor industry.
-   Developing components used in a wide range of applications including consumer electronics, industrial automation, and automotive systems.
-   Maintaining a global footprint with multilingual documentation and presence in major technology databases.
-   Holding multiple technical and organizational identifiers, reflecting its integration into global supply chains and design ecosystems.
-   Being founded by Jean Hoerni, a notable figure in the early development of silicon semiconductor technology.

## Body

### History
Intersil was originally founded in 1967 by Jean Hoerni, a key figure in the early development of integrated circuits. Some sources also reference 1999 as a key date, possibly indicating a corporate restructuring or rebranding. The company grew to become a major supplier of analog and mixed-signal semiconductors, serving industries such as consumer electronics, industrial systems, and automotive applications. In 2017, Intersil was acquired by Renesas Electronics Corporation, effectively ending its independent existence and integrating its technology into Renesas' broader portfolio.

### Headquarters and Operations
Intersil was headquartered in Milpitas, California, United States, with a precise address at 1001 Murphy Ranch Road and postal code 95035. The company employed approximately 1,100 people before its dissolution. Its global operations were supported by a presence in multiple languages and technical databases, including Wikipedia entries in German, French, Japanese, Russian, and Chinese.

### Products and Technology
Intersil specialized in the design and manufacture of semiconductors, particularly in the areas of power management, data conversion, and interface connectivity. These components were used in a wide variety of applications, from mobile and industrial systems to automotive electronics. The company's technical identifiers included:
-   USB Vendor ID: 09AA
-   PCI Vendor ID: 1260
-   PNP Vendor ID: LSD

These identifiers were used in system integration and device recognition across various platforms.

### Legal and Organizational Identifiers
Intersil was registered with several global identifiers:
-   ISIN: US46069S1096
-   ISNI: 0000000405911110
-   Legal Entity Identifier: K52PT26E827FWF64UJ81
-   GRID ID: grid.471119.b
-   Ringgold ID: 41493
-   Microsoft Academic ID (discontinued): 106903285
-   Crunchbase ID: intersil

These identifiers facilitated its integration into global financial, academic, and technical systems.

### Stock Listing and Financial Presence
Intersil was listed on the Nasdaq stock exchange under the ticker symbol ISIL. This public listing enabled broad investment and visibility in the global semiconductor market. As a public company, it adhered to strict financial disclosure requirements, ensuring transparency for investors and stakeholders.

### Acquisition and Legacy
In 2017, Intersil was acquired by Renesas Electronics Corporation, a major Japanese semiconductor manufacturer. This acquisition was part of a broader trend of consolidation in the semiconductor industry, aimed at combining complementary technologies and expanding market reach. The acquisition marked the end of Intersil as an independent entity but preserved its technological contributions within Renesas' expanded portfolio.

### Global Recognition and Presence
Intersil was recognized in multiple international databases and platforms, including:
-   Wikipedia (in multiple languages)
-   ScienceDirect
-   Investopedia
-   Scilit

This global presence underscored its influence and integration into the worldwide electronics industry. The company's legacy continues through its technologies, which remain in use across a wide range of applications.

## References

1. GRID Release 2017-01-10
2. ROR release v1.19
3. Freebase Data Dumps. 2013
4. [Source](http://km.aifb.kit.edu/services/crunchbase/)
5. GRID Release 2016-12-06
6. Aligned ISNI and Ringgold identifiers for institutions
7. Microsoft Academic Knowledge Graph
8. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)