Littelfuse vs Power Integrations

Both are primarily Power Semiconductors (incl. SiC, GaN) companies. Littelfuse is larger by market cap ($10.8B vs $2.8B). Littelfuse reports higher tracked revenue ($1.2B vs $444M).

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Side-by-side

LittelfusePower Integrations
Market cap$10.8B$2.8B
Revenue$1.2B (FY2017)$444M (FY2025)
Primary segmentPower Semiconductors (incl. SiC, GaN)Power Semiconductors (incl. SiC, GaN)
Market positionnichemajor
CountryUnited StatesUnited States
Tracked suppliers01
Tracked customers11
Chokepoint / criticality50/10068/100

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 Littelfuse and Power Integrations compare

  • Size: Littelfuse is the larger company by market cap.
  • Revenue: Littelfuse reports higher tracked revenue.
  • Supply-chain criticality: Power Integrations has the higher chokepoint score (68/100 vs 50/100).
  • Footprint: Littelfuse (United States) vs Power Integrations (United States).

Company hubs

Littelfuse · Power Integrations · Analog, Power, RF segment

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Cite as: wafergraph, “Littelfuse vs Power Integrations”, https://wafergraph.com/compare/littelfuse-vs-power_integrations (data as of 2026-10-09).

Frequently asked questions3
Is Littelfuse bigger than Power Integrations?
Littelfuse is larger by market cap ($10.8B vs $2.8B).
What's the difference between Littelfuse and Power Integrations?
Littelfuse is a niche in Power Semiconductors (incl. SiC, GaN) based in United States; Power Integrations is a major in Power Semiconductors (incl. SiC, GaN) based in United States. Both operate in the Analog, Power, RF segment.
Who are Littelfuse's and Power Integrations's suppliers?
wafergraph tracks 0 suppliers for Littelfuse and 1 for Power Integrations.