Overview
Polar Semiconductor operates a 200mm power and high-voltage semiconductor fab in Bloomington, Minnesota. The site dates to 1970, when Control Data built the chip factory that later became Polar under Japan's Sanken Electric; in 2024 U.S. investors Niobrara Capital and Prysm Capital took a majority stake to establish it as an independent American foundry, with Sanken and Allegro MicroSystems retaining minority holdings. Backed by about US$525 million of investment including CHIPS Act and State of Minnesota funding, Polar is roughly doubling capacity from about 20,000 to nearly 40,000 wafers per month, serving automotive, industrial, aerospace and defense markets. Key facility details include: The facility is situated at Bloomington, Minnesota, USA. It focuses on Analog / Power, GaN on 200mm wafers. This site represents an estimated investment of $0.525B and a production capacity of 20,000 wafers per month. Production at this facility commenced in 1970s.
Technology
About Polar Semiconductor
Polar Semiconductor is an independent pure-play foundry based in Minnesota, specializing in high-voltage, automotive-grade power semiconductor manufacturing. Polar provides essential wafer fabrication for the automotive, industrial, and medical markets.