Onsemi’s fab sales put $35M savings plan on a long runway
onsemi signed deals to sell manufacturing sites in the Philippines and Pennsylvania, targeting about $35 million in annual savings. The transactions are part of its Fab Right strategy but most of the benefit is not expected until 2028.

A smaller footprint for power chips
onsemi has signed definitive agreements to sell two manufacturing facilities, one in Tarlac, Philippines, and one in Mountain Top, Pennsylvania, as part of its Fab Right manufacturing overhaul.globenewswire +1 The Scottsdale, Arizona-based chipmaker said the moves are aimed at improving its companywide cost structure and sustaining gross-margin expansion.yahoo +1 The company expects about $35 million in annual savings, with initial benefits beginning in 2027 and the full run rate arriving in 2028.globenewswire +1
Two buyers, two timelines
The Tarlac facility is set to go to Greatek Electronics, a Taiwan-based semiconductor packaging and testing company, with closing expected within three to six months if regulators and other closing conditions clear the deal.globenewswire +1 onsemi said the plant will keep operating inside its manufacturing network during the transition, and the companies have put a long-term supply agreement in place to support customer commitments after closing.yahoo +1
The Pennsylvania transaction is slower by design. Silex Microsystems, a Sweden-based semiconductor company, is expected to acquire the Mountain Top site in January 2028, giving onsemi time to move products now made there to other factories in its network.globenewswire +1 That delay makes the cost savings more back-loaded than immediate, a point Finimize framed as a later-cycle margin lever rather than a near-term earnings jolt.finimize
The margin bet behind Fab Right
Fab Right is onsemi’s effort to steer resources toward operations it views as more competitive, scalable and aligned with its technology roadmap.yahoo +1 The company sells intelligent power and sensing chips into automotive, industrial and AI data-center markets, areas where manufacturing mix can shape both profitability and customer supply continuity.globenewswire +1
The divestitures also shift part of the operational risk. Owning fewer sites can lower fixed expenses tied to staffing, maintenance and depreciation, but a supply agreement with Greatek means some production economics may move closer to a contract-manufacturing model.finimize GuruFocus described the sales as a strategic realignment and flagged onsemi’s elevated valuation, citing a price-to-earnings ratio of 67.16 and insider sales of $8.2 million over the past three months.gurufocus The savings target is modest against a company Investing.com pegged at a $36.85 billion market value, but it gives investors a concrete measure for whether Fab Right is translating from footprint cleanup into margin expansion.investing
23 sources
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