# Silex Microsystems acquires Onsemi fab in Pennsylvania for $40M

Silex Microsystems entered a definitive agreement to acquire a 200 mm integrated circuit fab in Pennsylvania from Onsemi for $40 million. The facility will be converted into a MEMS fab, with total capital expenditure expected to reach about SEK 1,600 million. Closing is expected around year-end 2027.

- Type: Acquisition
- Announced: 2026-07-07
- Where: Pennsylvania, USA, United States
- Value: $40.0M
- Status: announced
- Products: MEMS devices
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [onsemi](https://endata.com/companies/15223.md) (target)
- [Silex Microsystems](https://endata.com/companies/16092.md) (acquirer)

## Sources

- [silexmicrosystems.com](https://www.silexmicrosystems.com/en/silex-establishes-u-s-manufacturing-capacity-acquires-semiconductor-fab-in-pennsylvania/), 2026-07-07: "By establishing MEMS manufacturing capacity in the United States, we are further strengthening our position as the world's leading pure-play MEMS foundry."

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