# Bosch starts SiC sample production at Roseville fab, US

Bosch started sample production for silicon carbide semiconductors at its Roseville, California fab, with commercial production scheduled for 2026. The $2 billion facility is Bosch's first semiconductor fab in the US.

- Type: New facility
- Announced: 2026-07-13
- Where: Roseville, California, United States
- Value: $2.00B
- Starts operating: 2026
- Status: under construction
- Products: silicon carbide semiconductors
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [Bosch](https://endata.com/companies/1725.md)

## Sources

- [bosch-semiconductors.com](https://www.bosch-semiconductors.com/stories-and-events/two-fabs-one-goal-reliable-sic-supply/), 2026-07-13: "With the start of sample production for silicon carbide (SiC) semiconductors in Roseville, California, Bosch reaches another important milestone on its path to expanding global SiC manufacturing capacity."

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