Littelfuse vs onsemi
Littelfuse's primary segment is Power Semiconductors (incl. SiC, GaN); onsemi's is Integrated Device Manufacturer. onsemi is larger by market cap ($25.9B vs $10.1B). onsemi reports higher tracked revenue ($6.0B vs $1.2B).
Shared segment: Analog, Power, RF.
Side-by-side
| Littelfuse | onsemi | |
|---|---|---|
| Market cap | $10.1B | $25.9B |
| Revenue | $1.2B (FY2017) | $6.0B (FY2025) |
| Primary segment | Power Semiconductors (incl. SiC, GaN) | Integrated Device Manufacturer |
| Market position | niche | major |
| Country | United States | United States |
| Tracked suppliers | 0 | 3 |
| Tracked customers | 1 | 2 |
| Chokepoint / criticality | 50/100 | 68/100 |
Market caps/revenue from the wafergraph dataset · data as of 2026-09-16. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.
How Littelfuse and onsemi compare
- Size: onsemi is the larger company by market cap.
- Revenue: onsemi reports higher tracked revenue.
- Supply-chain criticality: onsemi has the higher chokepoint score (68/100 vs 50/100).
- Footprint: Littelfuse (United States) vs onsemi (United States).
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Cite as: wafergraph, “Littelfuse vs onsemi”, https://wafergraph.com/compare/littelfuse-vs-onsemi (data as of 2026-09-16).