Littelfuse vs Sumitomo Electric Industries
Littelfuse's primary segment is Power Semiconductors (incl. SiC, GaN); Sumitomo Electric Industries's is Photonics & Optics. Sumitomo Electric Industries is larger by market cap ($46.5B vs $10.8B). Sumitomo Electric Industries reports higher tracked revenue ($32.4B vs $1.2B).
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Side-by-side
| Littelfuse | Sumitomo Electric Industries | |
|---|---|---|
| Market cap | $10.8B | $46.5B |
| Revenue | $1.2B (FY2017) | $32.4B (FY2026) |
| Primary segment | Power Semiconductors (incl. SiC, GaN) | Photonics & Optics |
| Market position | niche | major |
| Country | United States | Japan |
| Tracked suppliers | 0 | 3 |
| Tracked customers | 1 | 3 |
| Chokepoint / criticality | 50/100 | 68/100 |
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 Sumitomo Electric Industries compare
- Size: Sumitomo Electric Industries is the larger company by market cap.
- Revenue: Sumitomo Electric Industries reports higher tracked revenue.
- Supply-chain criticality: Sumitomo Electric Industries has the higher chokepoint score (68/100 vs 50/100).
- Footprint: Littelfuse (United States) vs Sumitomo Electric Industries (Japan).
Company hubs
Littelfuse · Sumitomo Electric Industries · Analog, Power, RF segment
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Cite as: wafergraph, “Littelfuse vs Sumitomo Electric Industries”, https://wafergraph.com/compare/littelfuse-vs-sumitomo_electric (data as of 2026-10-09).
Frequently asked questions3
- Is Littelfuse bigger than Sumitomo Electric Industries?
- Sumitomo Electric Industries is larger by market cap ($46.5B vs $10.8B).
- What's the difference between Littelfuse and Sumitomo Electric Industries?
- Littelfuse is a niche in Power Semiconductors (incl. SiC, GaN) based in United States; Sumitomo Electric Industries is a major in Photonics & Optics based in Japan. Both operate in the Analog, Power, RF segment.
- Who are Littelfuse's and Sumitomo Electric Industries's suppliers?
- wafergraph tracks 0 suppliers for Littelfuse and 3 for Sumitomo Electric Industries.