Soitec → X-FAB
As of 2026-09-05, Soitec is a tracked supplier of X-FAB. Soitec is a leader in Materials (headquartered in France); X-FAB is a niche in Foundry (headquartered in Germany). Soitec has 5 tracked customers; X-FAB has 1 tracked supplier.
Data as of 2026-09-05 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Soitec (leader in Materials) is a tracked supplier of X-FAB (niche in Foundry). Dominant supplier of engineered SOI substrates for RF and FD-SOI chips. European analog/mixed-signal and SiC specialty foundry. The edge is one of 1 tracked supplier of X-FAB and one of 5 tracked customers of Soitec.
Source: derived from both company records and the counted edges.
Concentration / risk note
Soitec is positioned as a leader in Materials, so this edge is harder to replace than a challenger or niche supplier. X-FAB has only 1 tracked supplier in this dataset. Concentration on the supplier side is high.
Basis: supplier position, few suppliers. Omitted on edges where the graph does not back a concentration claim.
The two companies
Soitec (supplier)
Dominant supplier of engineered SOI substrates for RF and FD-SOI chips.
X-FAB (customer)
European analog/mixed-signal and SiC specialty foundry.
Other tracked customers of Soitec
Cite as: wafergraph, “Soitec → X-FAB — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/soitec/xfab/ (data as of 2026-09-05).
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly