# Onsemi completes SiC capacity expansion at Bucheon plant in Korea

Onsemi completed a silicon carbide (SiC) capacity expansion project at its Bucheon, South Korea plant with an investment of about 1.4 trillion won. The new production line can produce more than 1 million 200 mm SiC wafers annually.

- Type: Expansion
- Announced: 2026-11-06
- Where: Bucheon, South Korea, South Korea
- Value: $1.05B (1400.0B KRW)
- Starts operating: 2023
- Status: completed
- Capacity: more than 1 million 200 mm SiC wafers annually
- Products: silicon carbide (SiC) power semiconductors, 200 mm SiC wafers
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [onsemi](https://endata.com/companies/15223.md)

## Sources

- [biz.chosun.com](https://biz.chosun.com/en/en-it/2026/11/07/YTWLKMSCHFHCXNNOS54O7B6SSY/), 2026-11-06: "The Bucheon plant plays a pivotal role in Onsemi's global silicon carbide (SiC) strategy."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.