Silex Microsystems agrees to buy Pennsylvania 200 mm chip fab for USD 40 million

  • Silex Microsystems agreed to buy a 200 mm integrated circuit fab in Mountain Top, Pennsylvania from Onsemi for USD 40 million.
  • Site will be converted into a MEMS fab; total capex expected at about SEK 1.6 billion, including the purchase price.
  • SEK 1 billion of spending planned in 2026-2027; about SEK 200 million per year budgeted for 2028-2030.
  • Closing targeted around year-end 2027, subject to customary conditions including CFIUS clearance.
  • Break-even at EBIT level targeted in 2029-2030; aims to match 2025 performance of its Swedish 200 mm fab by 2034.


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