Littelfuse vs Sumitomo Electric Industries
Sumitomo Electric Industries is larger by market cap ($44.5B vs $11.5B). Sumitomo Electric Industries reports higher tracked revenue ($32.2B vs $1.2B). Littelfuse's primary segment is Power Semiconductors (incl. SiC, GaN); Sumitomo Electric Industries's is Photonics & Optics.
Shared segment: Analog, Power, RF.
Side-by-side
| Littelfuse | Sumitomo Electric Industries | |
|---|---|---|
| Market cap | $11.5B | $44.5B |
| Revenue | $1.2B (FY2017) | $32.2B (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 2026-08-12. 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