Alpha and Omega Semiconductor vs Vishay Intertechnology

Both are primarily Power Semiconductors (incl. SiC, GaN) companies. Vishay Intertechnology is larger by market cap ($5.3B vs $860M). Vishay Intertechnology reports higher tracked revenue ($3.1B vs $679M).

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Side-by-side

Alpha and Omega SemiconductorVishay Intertechnology
Market cap$860M$5.3B
Revenue$679M (FY2026)$3.1B (FY2025)
Primary segmentPower Semiconductors (incl. SiC, GaN)Power Semiconductors (incl. SiC, GaN)
Market positionmajormajor
CountryUnited StatesUnited States
Tracked suppliers10
Tracked customers22
Chokepoint / criticality68/10068/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Alpha and Omega Semiconductor and Vishay Intertechnology compare

  • Size: Vishay Intertechnology is the larger company by market cap.
  • Revenue: Vishay Intertechnology reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (68/100).
  • Footprint: Alpha and Omega Semiconductor (United States) vs Vishay Intertechnology (United States).

Company hubs

Alpha and Omega Semiconductor · Vishay Intertechnology · Analog, Power, RF segment

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Cite as: wafergraph, “Alpha and Omega Semiconductor vs Vishay Intertechnology”, https://wafergraph.com/compare/alpha_omega-vs-vishay (data as of 2026-10-09).

Frequently asked questions3
Is Alpha and Omega Semiconductor bigger than Vishay Intertechnology?
Vishay Intertechnology is larger by market cap ($5.3B vs $860M).
What's the difference between Alpha and Omega Semiconductor and Vishay Intertechnology?
Alpha and Omega Semiconductor is a major in Power Semiconductors (incl. SiC, GaN) based in United States; Vishay Intertechnology is a major in Power Semiconductors (incl. SiC, GaN) based in United States. Both operate in the Analog, Power, RF segment.
Who are Alpha and Omega Semiconductor's and Vishay Intertechnology's suppliers?
wafergraph tracks 1 suppliers for Alpha and Omega Semiconductor and 0 for Vishay Intertechnology.