Revenue grew 9% despite a major Chinese customer defecting because data center optical demand is effectively infinite.
Thesis: TSEM is mispriced as a legacy mobile play. The real story is the violent mix shift: RF Infrastructure (AI/Data Center) and high-end Power Management are exploding, masking the decay in commoditized mobile. They are sole-sourced on the optical interconnects (SiPho) required for 1.6T clusters with 4 of the top 5 integrators. Fab 7 is full; the 'margin compression' is just the cost of bringing Fab 2/9 online to feed this insatiable demand. Buy the bottleneck.
Verdict: LONG — Conviction: HIGH
Catalyst: Q3/Q4 acceleration as Fab 2 and Fab 9 repurposing comes online, unlocking SiGe capacity to meet existing backlog and driving margin expansion.
Key Risk: Hyperscaler CapEx pause flows downstream to optical module makers, leaving TSEM with repurposed capacity and no orders.
The Tell: When asked about the China mobile business, Russell didn't blame 'macro'. He explicitly stated a customer faced 'pressure to start sourcing in China' and moved volume. This honesty validates the strength of the remaining order book.
Friction Level: MODERATE_FRICTION — Bears see a cyclical foundry dependent on flat handsets. Bulls see a structural mix-shift to AI connectivity (SiPho/SiGe) where capacity is the only constraint.
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