Intelligent Technology.
Better Future.

For over 60 years, onsemi and its ancestors
have been leading the world’s greatest
technology advancements.

Creating a Better Tomorrow. Today.

Our intelligent power technologies enable energy efficient solutions across all applications by providing improved power factor, enhanced active-mode efficiency and reduced standbymode power consumptions. Our intelligent power technologies allow our customers to exceed range targets with lower weight and reduce system cost through efficiency.

Corporate Fact Sheet
Investor Relations
Giving Now Program
ESG at onsemi
Sustainability at onsemi

Our Leadership

Get to know the individuals who shape the company's culture, drive growth, and champion a collaborative and inclusive work environment.

Our Mission

We push innovation to create intelligent power and sensing technologies that solve the most challenging customer problems. Our employees are inspired each day to increase stakeholder value through high-quality and high-value products and services.


Scottsdale, Arizona


Employees worldwide


Different parts

Markets and Products

As a leading semiconductor manufacturer with over 80,000 different parts, including advanced MOSFETsImage SensorsSilicon Carbide technology (EliteSiC) and a global supply chain, onsemi serves tens of thousands of customers across several markets, enabling them to power the future with intelligent power and sensing technologies.

5G & Cloud
& Defense

Manufacturing, Design and Solutions

With a robust infrastructure, the company boasts an extensive network comprising of 19 manufacturing sites, 43 design centers, and 8 solution engineering centers.


We have 19 manufacturing centers in 9 countries

Design Centers

We have 43 design centers in 19 countries

Solution Engineering

We have 8 solution engineering centers in 5 countries

New Silicon Carbide (SiC) Facility in Bucheon, Korea.

Our Commitment

onsemi’s commitment to ethical, environmentally sustainable, and responsible business practices is unmatched, but don’t just take our word for it. Here are only a few of the latest awards that we have received for our efforts:

Most Sustainable Company

World Finance awarded onsemi its Most Sustainable Company in 2020 and 2021 in the semiconductor industry.

Ethisphere Recognition

Ethisphere’s has recognized onsemi with World’s Most Ethical Companies® for six years in a row.

Platinum Level Recognition

In 2020, EcoVadis awarded onsemi with its highest level of recognition, platinum.

Dow Jones Indexes

In December of 2020, onsemi was named to Dow Jones Sustainability Index for the third year in a row.

Most Sustainable Companies

onsemi was recognized on Barron’s 100 “Most Sustainable Companies” for four years in a row.

Responsible Business Alliance

onsemi is a full member of the Responsible Business Alliance.

Contact Us

We’re here to help! onsemi offers a variety of ways to contact support for your convenience.


5701 North Pima Road Scottsdale, AZ 85250 USA

Phone Number